Product Description
Best Selling PA Series CNC Machine Servo Drive Planetary Gearbox Reducer
This helical planetary gearbox is used for servo motor and related device which need to reduce speed or enlarge torque! CZPT helical planetary gearboxes external diameter from 60 to 220, gear ratio from 3 to 100! It has high precision and are widely used with servo motor such like Panasonnic,Fuji, Mitsubishi, Omran,Delta, Teco.
Product Description
Description:
(1).The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
(2).Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.(3).The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
(4).The gear is made of Japanese imported material.After the metal cutting process,the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
(5).Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.
Product Parameters
Characteristic:
(1) Low Noise:The use of helical gear design,to achieve a smooth,quite operation of the reducer.
(2) High Precision:Backlash is 3 arcmin or less,accurate positioning.
(3) High Rigidity,High Torque:The output shaft used large size,large span double support bearing design,which improves the rigidity and torque of the reducer.
(4) High Efficiency:1-stage up to 95% or more,2-stage up to 92% or more.
(5) Maintenance-Free:Low grease wear,can be lifetime lubrication.
(6) Sealing Effect is Good:Lubricating grease with high viscosity,not easy to separate the characteristics,ip65 protection class to ensure that no grease leakage.
(7) Installation Unrestrained:Can be installed arbitrarily.
(8) Wide Applicability:Applicable to any type of servo motor.
(9) An organic [integral] whole output axis.
Specifications | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |||
Technal Parameters | |||||||||
Max. Torque | Nm | 1.5times rated torque | |||||||
Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
Max. Radial Load | N | 1530 | 3250 | 6700 | 9400 | 14500 | 16500 | ||
Max. Axial Load | N | 630 | 1300 | 3000 | 4700 | 7250 | 8250 | ||
Torsional Rigidity | Nm/arcmin | 6 | 12 | 23 | 47 | 130 | 205 | ||
Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 6000 | 3000 | ||
Rated Input Speed | rpm | 4000 | 3000 | 3000 | 3000 | 3000 | 1500 | ||
Noise | dB | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ≤72 | ||
Average Life Time | h | 20000 | |||||||
Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
L2 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
L2 | arcmin | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.7 |
4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.61 | ||
5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.51 | ||
7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.92 | ||
8 | Kg*cm2 | 0.13 | 0.45 | 2.6 | 7.14 | / | / | ||
10 | Kg*cm2 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | 50.18 | ||
L2 | 12 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | |
15 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | ||
20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 6.92 | 23.33 | ||
25 | Kg*cm2 | 0.13 | 0.45 | 0.4 | 2.63 | 6.92 | 22.68 | ||
28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
30 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 7.3 | 25.59 | ||
35 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.43 | 6.92 | 22.68 | ||
40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
50 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | 22.68 | ||
70 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
100 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
Technical Parameter | Level | Ratio | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |
Rated Torque | L1 | 3 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 |
4 | Nm | 45 | 130 | 230 | 480 | 880 | 1800 | ||
5 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
7 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
8 | Nm | 40 | 90 | 200 | 440 | / | / | ||
10 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
L2 | 12 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | |
15 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
20 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
25 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
28 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
30 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
35 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
40 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
50 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
70 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
100 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
Degree Of Protection | IP65 | ||||||||
Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
Weight | L1 | kg | 1.25 | 3.75 | 8.5 | 16 | 28.5 | 49.3 | |
L2 | kg | 1.75 | 5.1 | 12 | 21.5 | 40 | 62.5 |
Company Profile
Packaging & Shipping
1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.how to choose the suitable planetary gearbox?
First of all,we need you to be CZPT to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are a 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car, Spring Machinery |
---|---|
Hardness: | Hardened Tooth Surface |
Installation: | Vertical Type |
Layout: | Coaxial |
Gear Shape: | Helical Gear |
Step: | Single-Step |
Samples: |
US$ 99/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
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Benefits of a Planetary Motor
If you’re looking for an affordable way to power a machine, consider purchasing a Planetary Motor. These units are designed to provide a massive range of gear reductions, and are capable of generating much higher torques and torque density than other types of drive systems. This article will explain why you should consider purchasing one for your needs. And we’ll also discuss the differences between a planetary and spur gear system, as well as how you can benefit from them.
planetary gears
Planetary gears in a motor are used to reduce the speed of rotation of the armature 8. The reduction ratio is determined by the structure of the planetary gear device. The output shaft 5 rotates through the device with the assistance of the ring gear 4. The ring gear 4 engages with the pinion 3 once the shaft is rotated to the engagement position. The transmission of rotational torque from the ring gear to the armature causes the motor to start.
The axial end surface of a planetary gear device has two circular grooves 21. The depressed portion is used to retain lubricant. This lubricant prevents foreign particles from entering the planetary gear space. This feature enables the planetary gear device to be compact and lightweight. The cylindrical portion also minimizes the mass inertia. In this way, the planetary gear device can be a good choice for a motor with limited space.
Because of their compact footprint, planetary gears are great for reducing heat. In addition, this design allows them to be cooled. If you need high speeds and sustained performance, you may want to consider using lubricants. The lubricants present a cooling effect and reduce noise and vibration. If you want to maximize the efficiency of your motor, invest in a planetary gear hub drivetrain.
The planetary gear head has an internal sun gear that drives the multiple outer gears. These gears mesh together with the outer ring that is fixed to the motor housing. In industrial applications, planetary gears are used with an increasing number of teeth. This distribution of power ensures higher efficiency and transmittable torque. There are many advantages of using a planetary gear motor. These advantages include:
planetary gearboxes
A planetary gearbox is a type of drivetrain in which the input and output shafts are connected with a planetary structure. A planetary gearset can have three main components: an input gear, a planetary output gear, and a stationary position. Different gears can be used to change the transmission ratios. The planetary structure arrangement gives the planetary gearset high rigidity and minimizes backlash. This high rigidity is crucial for quick start-stop cycles and rotational direction.
Planetary gears need to be lubricated regularly to prevent wear and tear. In addition, transmissions must be serviced regularly, which can include fluid changes. The gears in a planetary gearbox will wear out with time, and any problems should be repaired immediately. However, if the gears are damaged, or if they are faulty, a planetary gearbox manufacturer will repair it for free.
A planetary gearbox is typically a 2-speed design, but professional manufacturers can provide triple and single-speed sets. Planetary gearboxes are also compatible with hydraulic, electromagnetic, and dynamic braking systems. The first step to designing a planetary gearbox is defining your application and the desired outcome. Famous constructors use a consultative modeling approach, starting each project by studying machine torque and operating conditions.
As the planetary gearbox is a compact design, space is limited. Therefore, bearings need to be selected carefully. The compact needle roller bearings are the most common option, but they cannot tolerate large axial forces. Those that can handle high axial forces, such as worm gears, should opt for tapered roller bearings. So, what are the advantages and disadvantages of a helical gearbox?
planetary gear motors
When we think of planetary gear motors, we tend to think of large and powerful machines, but in fact, there are many smaller, more inexpensive versions of the same machine. These motors are often made of plastic, and can be as small as six millimeters in diameter. Unlike their larger counterparts, they have only one gear in the transmission, and are made with a small diameter and small number of teeth.
They are similar to the solar system, with the planets rotating around a sun gear. The planet pinions mesh with the ring gear inside the sun gear. All of these gears are connected by a planetary carrier, which is the output shaft of the gearbox. The ring gear and planetary carrier assembly are attached to each other through a series of joints. When power is applied to any of these members, the entire assembly will rotate.
Compared to other configurations, planetary gearmotors are more complicated. Their construction consists of a sun gear centered in the center and several smaller gears that mesh with the central sun gear. These gears are enclosed in a larger internal tooth gear. This design allows them to handle larger loads than conventional gear motors, as the load is distributed among several gears. This type of motor is typically more expensive than other configurations, but can withstand the higher-load requirements of some machines.
Because they are cylindrical in shape, planetary gear motors are incredibly versatile. They can be used in various applications, including automatic transmissions. They are also used in applications where high-precision and speed are necessary. Furthermore, the planetary gear motor is robust and is characterized by low vibrations. The advantages of using a planetary gear motor are vast and include:
planetary gears vs spur gears
A planetary motor uses multiple teeth to share the load of rotating parts. This gives planetary gears high stiffness and low backlash – often as low as one or two arc minutes. These characteristics are important for applications that undergo frequent start-stop cycles or rotational direction changes. This article discusses the benefits of planetary gears and how they differ from spur gears. You can watch the animation below for a clearer understanding of how they operate and how they differ from spur gears.
Planetary gears move in a periodic manner, with a relatively small meshing frequency. As the meshing frequency increases, the amplitude of the frequency also increases. The amplitude of this frequency is small at low clearance values, and increases dramatically at higher clearance levels. The amplitude of the frequency is higher when the clearance reaches 0.2-0.6. The amplitude increases rapidly, whereas wear increases slowly after the initial 0.2-0.6-inch-wide clearance.
In high-speed, high-torque applications, a planetary motor is more effective. It has multiple contact points for greater torque and higher speed. If you are not sure which type to choose, you can consult with an expert and design a custom gear. If you are unsure of what type of motor you need, contact Twirl Motor and ask for help choosing the right one for your application.
A planetary gear arrangement offers a number of advantages over traditional fixed-axis gear system designs. The compact size allows for lower loss of effectiveness, and the more planets in the gear system enhances the torque density and capacity. Another benefit of a planetary gear system is that it is much stronger and more durable than its spur-gear counterpart. Combined with its many advantages, a planetary gear arrangement offers a superior solution to your shifting needs.
planetary gearboxes as a compact alternative to pinion-and-gear reducers
While traditional pinion-and-gear reducer design is bulky and complex, planetary gearboxes are compact and flexible. They are suitable for many applications, especially where space and weight are issues, as well as torque and speed reduction. However, understanding their mechanism and working isn’t as simple as it sounds, so here are some of the key benefits of planetary gearing.
Planetary gearboxes work by using two planetary gears that rotate around their own axes. The sun gear is used as the input, while the planetary gears are connected via a casing. The ratio of these gears is -Ns/Np, with 24 teeth in the sun gear and -3/2 on the planet gear.
Unlike traditional pinion-and-gear reducer designs, planetary gearboxes are much smaller and less expensive. A planetary gearbox is about 50% smaller and weighs less than a pinion-and-gear reducer. The smaller gear floats on top of three large gears, minimizing the effects of vibration and ensuring consistent transmission over time.
Planetary gearboxes are a good alternative to pinion-and-gear drive systems because they are smaller, less complex and offer a higher reduction ratio. Their meshing arrangement is similar to the Milky Way, with the sun gear in the middle and two or more outer gears. They are connected by a carrier that sets their spacing and incorporates an output shaft.
Compared to pinion-and-gear reduces, planetary gearboxes offer higher speed reduction and torque capacity. As a result, planetary gearboxes are small and compact and are often preferred for space-constrained applications. But what about the high torque transfer? If you’re looking for a compact alt
editor by CX 2023-11-14
China Hot Sale High Quality Electric NEMA 34 Easy Servo Stepper Motor with Planetary Gearbox with Hot selling
Product Description
Product Description
Stepper Motor Description
This watertight bipolar Nema 3.4″ 86 mm sq. stepper motor is configured with phase angle 1.8° with a size of 86 mm x 86 mm x 152.5 mm. It has 4 wires for bipolar connection with an IP65 connector and every single phase draws present twelve.00 A at 3.00 V, with bipolar keeping torque 1180.00 [Ncm] min.
The IP65 rated At any time Elettronica hybrid stepper motors are created to offer dust proof operation and face up to lower strain jets of drinking water. The IP65 rated stepper motors are ideal for washing devices, health care and laboratory equipments and in the packaging purposes given that they are suitable for washdown procedures. The higher performance water-proof hybrid 2 stage stepper motor is also ideal to handle CZPT pumps of distinct measurements.
Merchandise Parameters
Motor Technical Specification
Flange |
NEMA 34 |
Action angle |
one.8 [°] ± 5 [%] |
Holding torque | 8.2 N.m MIN |
Stage resistance |
.fifty four [Ohm] ± 10 [%] |
Phase inductance |
five.0 [mH] ± twenty [%] |
Rotor inertia |
3800 [g.cm²] |
Ambient temperature |
-20 [°C] ~ +50 [°C] |
Temperature rise |
80 [K] |
Dielectric power |
five hundred [VAC 1 Minute] |
Class safety |
IP20 |
Max. shaft radial load |
220 [N] |
Max. shaft axial load |
sixty [N] |
Weight |
4000 [g.] |
Mechanical Drawing (in mm)
Nema | Model | Length | Step Angle | Current/Stage | Resistance/Phase | Inductance/Stage | Holding Torque | # of Leads | Rotor Inertia |
(L)mm | ( °) | A | Ω | mH | N.M. | No. | g.cm2 | ||
Open up LOOP Phase MOTOR | |||||||||
Nema8 | EW08-210H | 37.eight | 1.80 | one.00 | 4.30 | 1.70 | .04min | 4.00 | two.90 |
Nema11 | EW11-a hundred and ten | 30.one | 1.80 | one.00 | 4.50 | 3.80 | .08min | 4.00 | 5.00 |
EW11-110H | thirty.1 | 1.80 | 1.00 | 4.50 | 4.00 | .07min | 4.00 | 9.00 | |
EW11-310 | fifty.four | one.80 | 1.00 | 2.50 | two.20 | .14min | 4.00 | twenty.00 | |
EW11-310D | 50.4 | one.80 | one.00 | 2.50 | 2.20 | .14min | four.00 | twenty.00 | |
Nema14 | EW14-110 | twenty five.five | one.80 | one.00 | three.30 | 3.80 | .17min | four.00 | 25.00 |
EW14-210 | forty.five | one.80 | 1.00 | four.00 | six.10 | .2min | 4.00 | 25.00 | |
Nema17 | EW17-220 | 33.seven | 1.80 | 2.00 | .70 | 1.40 | .3min | four.00 | forty.00 |
EW17-320 | 39.two | one.80 | two.00 | 1.00 | 1.80 | .45min | four.00 | 60.00 | |
EW17-320D | 39.two | one.80 | two.00 | one.00 | one.80 | .45min | four.00 | sixty.00 | |
EW17-420 | forty seven.two | 1.80 | 2.00 | 1.00 | two.00 | .56min | four.00 | 80.00 | |
EW17-420D | 47.2 | one.80 | 2.00 | one.00 | two.00 | .56min | 4.00 | eighty.00 | |
EW17-420M | eighty.1 | one.80 | two.00 | 1.35 | three.20 | .48min | four.00 | seventy seven.00 | |
EW17-520 | 60 | 1.80 | two.00 | 1.35 | two.90 | .70min | 4.00 | 115.00 | |
EW17-520M | ninety nine.one | 1.80 | two.00 | one.77 | four.00 | .72min | four.00 | a hundred and ten.00 | |
Nema23 | EW23-a hundred and forty | forty one.nine | one.80 | 4.00 | .37 | one.00 | .70min | 4.00 | one hundred seventy.00 |
EW23-240 | 52.nine | one.80 | four.00 | .45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240D | 52.9 | one.80 | 4.00 | .45 | one.70 | 1.25min | four.00 | 290.00 | |
EW23-240M | 95.5 | one.80 | four.00 | .44 | one.40 | one.20min | 4.00 | 480.00 | |
EW23-340 | 76.4 | 1.80 | 4.00 | .50 | one.80 | 2.00min | four.00 | 520.00 | |
EW23-340D | seventy six.4 | 1.80 | 4.00 | .50 | 1.80 | 2.00min | four.00 | 520.00 | |
EW23-350M | 116.5 | 1.80 | 5.00 | .40 | one.80 | two.00min | 4.00 | 480.00 | |
Nema24 | EW24-240 | fifty four.five | 1.80 | four.00 | .45 | 1.20 | one.40min | 4.00 | 450.00 |
EW24-440 | eighty five.5 | 1.80 | 4.00 | .80 | three.00 | three.00min | four.00 | 900.00 | |
EW24-450M | 125.six | one.80 | 5.00 | .42 | 1.80 | 3.00min | 4.00 | 900.00 | |
Nema34 | EW34-260 | 79.five | one.80 | 6.00 | .38 | two.80 | four.5min | four.00 | 1900.00 |
EW34-360 | 99 | one.80 | 6.00 | .47 | 3.90 | 6.00min | four.00 | 2700.00 | |
EW34-460M | a hundred and fifty five.three | 1.80 | six.00 | .54 | five.00 | eight.20min | 4.00 | 3800.00 | |
EW34-560 | 129 | one.80 | 6.00 | .64 | 6.00 | 9.00min | 4.00 | 4000.00 | |
EW34-660 | 159.5 | 1.80 | 6.00 | .72 | seven.30 | 12min. | four.00 | 5000.00 | |
EH34-530 | 129 | 1.80 | 3.60 | one.06 | 10.00 | 7.1min | four.00 | 4000.00 |
Organization Profile
Taking advantage of the proactive local weather of the 70s, in 1977 the engineer Felice Caldi, who experienced usually been a passionate builder and inventor, founded an modern business, running internationally in the discipline of software for industrial machinery.
Given that then, this tiny company dependent in Lodi has loved constant successes associated to revolutionary goods and chopping edge “greatest in course” systems in the subject of industrial automation, as verified by the many patents submitted throughout the years as effectively as the essential awards provided to it by the Chamber of Commerce of Milan and of the Lombardy Area.
The firm, thanks to its successes in excess of time, has grown considerably, expanding its revenue network overseas and opening an additional organization in China to manage the sales stream in the Asian market.
At any time attentive to the dynamics and requirements of the automation industry, constantly evolving and regularly in search of technological innovation, At any time Elettronica has been CZPT to react to all the technological issues that have arisen over the a long time, offering solutions CZPT to make its customer’s equipment much more and a lot more doing and very competitive.
And it is specifically to underline the value and the uniqueness of every single customer that we design and style, with treatment and determination, highly customised automation remedies, that are CZPT to perfectly meet up with any request, each regarding application and components.
Our staff of mechatronic engineers can certainly customise the software with specifically designed firmware, and it can also adapt the motor by customising, for example, the size of the cables or the diameter of the crankshaft and the IP security diploma, all strictly based on the customer’s technological technical specs.
/ Piece | |
1 Piece (Min. Order) |
###
Application: | Medical and Laboratory Equipment |
---|---|
Speed: | Low Speed |
Number of Stator: | Two-Phase |
Excitation Mode: | HB-Hybrid |
Function: | Driving |
Number of Poles: | 2 |
###
Customization: |
---|
###
Flange
|
NEMA 34
|
Step angle
|
1.8 [°] ± 5 [%]
|
Holding torque | 8.2 N.m MIN |
Phase resistance
|
0.54 [Ohm] ± 10 [%]
|
Phase inductance
|
5.0 [mH] ± 20 [%]
|
Rotor inertia
|
3800 [g.cm²]
|
Ambient temperature
|
-20 [°C] ~ +50 [°C]
|
Temperature rise
|
80 [K]
|
Dielectric strength
|
500 [VAC 1 Minute]
|
Class protection
|
IP20
|
Max. shaft radial load
|
220 [N]
|
Max. shaft axial load
|
60 [N]
|
Weight
|
4000 [g.]
|
###
Nema | Model | Length | Step Angle | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | # of Leads | Rotor Inertia |
(L)mm | ( °) | A | Ω | mH | N.M. | No. | g.cm2 | ||
OPEN LOOP STEP MOTOR | |||||||||
Nema8 | EW08-210H | 37.8 | 1.80 | 1.00 | 4.30 | 1.70 | 0.04min | 4.00 | 2.90 |
Nema11 | EW11-110 | 30.1 | 1.80 | 1.00 | 4.50 | 3.80 | 0.08min | 4.00 | 5.00 |
EW11-110H | 30.1 | 1.80 | 1.00 | 4.50 | 4.00 | 0.07min | 4.00 | 9.00 | |
EW11-310 | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
EW11-310D | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
Nema14 | EW14-110 | 25.5 | 1.80 | 1.00 | 3.30 | 3.80 | 0.17min | 4.00 | 25.00 |
EW14-210 | 40.5 | 1.80 | 1.00 | 4.00 | 6.10 | 0.2min | 4.00 | 25.00 | |
Nema17 | EW17-220 | 33.7 | 1.80 | 2.00 | 0.70 | 1.40 | 0.3min | 4.00 | 40.00 |
EW17-320 | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-320D | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-420 | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420D | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420M | 80.1 | 1.80 | 2.00 | 1.35 | 3.20 | 0.48min | 4.00 | 77.00 | |
EW17-520 | 60 | 1.80 | 2.00 | 1.35 | 2.90 | 0.70min | 4.00 | 115.00 | |
EW17-520M | 99.1 | 1.80 | 2.00 | 1.77 | 4.00 | 0.72min | 4.00 | 110.00 | |
Nema23 | EW23-140 | 41.9 | 1.80 | 4.00 | 0.37 | 1.00 | 0.70min | 4.00 | 170.00 |
EW23-240 | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240D | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240M | 95.5 | 1.80 | 4.00 | 0.44 | 1.40 | 1.20min | 4.00 | 480.00 | |
EW23-340 | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-340D | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-350M | 116.5 | 1.80 | 5.00 | 0.40 | 1.80 | 2.00min | 4.00 | 480.00 | |
Nema24 | EW24-240 | 54.5 | 1.80 | 4.00 | 0.45 | 1.20 | 1.40min | 4.00 | 450.00 |
EW24-440 | 85.5 | 1.80 | 4.00 | 0.80 | 3.00 | 3.00min | 4.00 | 900.00 | |
EW24-450M | 125.6 | 1.80 | 5.00 | 0.42 | 1.80 | 3.00min | 4.00 | 900.00 | |
Nema34 | EW34-260 | 79.5 | 1.80 | 6.00 | 0.38 | 2.80 | 4.5min | 4.00 | 1900.00 |
EW34-360 | 99 | 1.80 | 6.00 | 0.47 | 3.90 | 6.00min | 4.00 | 2700.00 | |
EW34-460M | 155.3 | 1.80 | 6.00 | 0.54 | 5.00 | 8.20min | 4.00 | 3800.00 | |
EW34-560 | 129 | 1.80 | 6.00 | 0.64 | 6.00 | 9.00min | 4.00 | 4000.00 | |
EW34-660 | 159.5 | 1.80 | 6.00 | 0.72 | 7.30 | 12min. | 4.00 | 5000.00 | |
EH34-530 | 129 | 1.80 | 3.60 | 1.06 | 10.00 | 7.1min | 4.00 | 4000.00 |
/ Piece | |
1 Piece (Min. Order) |
###
Application: | Medical and Laboratory Equipment |
---|---|
Speed: | Low Speed |
Number of Stator: | Two-Phase |
Excitation Mode: | HB-Hybrid |
Function: | Driving |
Number of Poles: | 2 |
###
Customization: |
---|
###
Flange
|
NEMA 34
|
Step angle
|
1.8 [°] ± 5 [%]
|
Holding torque | 8.2 N.m MIN |
Phase resistance
|
0.54 [Ohm] ± 10 [%]
|
Phase inductance
|
5.0 [mH] ± 20 [%]
|
Rotor inertia
|
3800 [g.cm²]
|
Ambient temperature
|
-20 [°C] ~ +50 [°C]
|
Temperature rise
|
80 [K]
|
Dielectric strength
|
500 [VAC 1 Minute]
|
Class protection
|
IP20
|
Max. shaft radial load
|
220 [N]
|
Max. shaft axial load
|
60 [N]
|
Weight
|
4000 [g.]
|
###
Nema | Model | Length | Step Angle | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | # of Leads | Rotor Inertia |
(L)mm | ( °) | A | Ω | mH | N.M. | No. | g.cm2 | ||
OPEN LOOP STEP MOTOR | |||||||||
Nema8 | EW08-210H | 37.8 | 1.80 | 1.00 | 4.30 | 1.70 | 0.04min | 4.00 | 2.90 |
Nema11 | EW11-110 | 30.1 | 1.80 | 1.00 | 4.50 | 3.80 | 0.08min | 4.00 | 5.00 |
EW11-110H | 30.1 | 1.80 | 1.00 | 4.50 | 4.00 | 0.07min | 4.00 | 9.00 | |
EW11-310 | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
EW11-310D | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
Nema14 | EW14-110 | 25.5 | 1.80 | 1.00 | 3.30 | 3.80 | 0.17min | 4.00 | 25.00 |
EW14-210 | 40.5 | 1.80 | 1.00 | 4.00 | 6.10 | 0.2min | 4.00 | 25.00 | |
Nema17 | EW17-220 | 33.7 | 1.80 | 2.00 | 0.70 | 1.40 | 0.3min | 4.00 | 40.00 |
EW17-320 | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-320D | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-420 | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420D | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420M | 80.1 | 1.80 | 2.00 | 1.35 | 3.20 | 0.48min | 4.00 | 77.00 | |
EW17-520 | 60 | 1.80 | 2.00 | 1.35 | 2.90 | 0.70min | 4.00 | 115.00 | |
EW17-520M | 99.1 | 1.80 | 2.00 | 1.77 | 4.00 | 0.72min | 4.00 | 110.00 | |
Nema23 | EW23-140 | 41.9 | 1.80 | 4.00 | 0.37 | 1.00 | 0.70min | 4.00 | 170.00 |
EW23-240 | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240D | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240M | 95.5 | 1.80 | 4.00 | 0.44 | 1.40 | 1.20min | 4.00 | 480.00 | |
EW23-340 | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-340D | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-350M | 116.5 | 1.80 | 5.00 | 0.40 | 1.80 | 2.00min | 4.00 | 480.00 | |
Nema24 | EW24-240 | 54.5 | 1.80 | 4.00 | 0.45 | 1.20 | 1.40min | 4.00 | 450.00 |
EW24-440 | 85.5 | 1.80 | 4.00 | 0.80 | 3.00 | 3.00min | 4.00 | 900.00 | |
EW24-450M | 125.6 | 1.80 | 5.00 | 0.42 | 1.80 | 3.00min | 4.00 | 900.00 | |
Nema34 | EW34-260 | 79.5 | 1.80 | 6.00 | 0.38 | 2.80 | 4.5min | 4.00 | 1900.00 |
EW34-360 | 99 | 1.80 | 6.00 | 0.47 | 3.90 | 6.00min | 4.00 | 2700.00 | |
EW34-460M | 155.3 | 1.80 | 6.00 | 0.54 | 5.00 | 8.20min | 4.00 | 3800.00 | |
EW34-560 | 129 | 1.80 | 6.00 | 0.64 | 6.00 | 9.00min | 4.00 | 4000.00 | |
EW34-660 | 159.5 | 1.80 | 6.00 | 0.72 | 7.30 | 12min. | 4.00 | 5000.00 | |
EH34-530 | 129 | 1.80 | 3.60 | 1.06 | 10.00 | 7.1min | 4.00 | 4000.00 |
Dynamic Modeling of a Planetary Motor
A planetary gear motor consists of a series of gears rotating in perfect synchrony, allowing them to deliver torque in a higher output capacity than a spur gear motor. Unlike the planetary motor, spur gear motors are simpler to build and cost less, but they are better for applications requiring lower torque output. That is because each gear carries the entire load. The following are some key differences between the two types of gearmotors.
planetary gear system
A planetary gear transmission is a type of gear mechanism that transfers torque from one source to another, usually a rotary motion. Moreover, this type of gear transmission requires dynamic modeling to investigate its durability and reliability. Previous studies included both uncoupled and coupled meshing models for the analysis of planetary gear transmission. The combined model considers both the shaft structural stiffness and the bearing support stiffness. In some applications, the flexible planetary gear may affect the dynamic response of the system.
In a planetary gear device, the axial end surface of the cylindrical portion is rotatable relative to the separating plate. This mechanism retains lubricant. It is also capable of preventing foreign particles from entering the planetary gear system. A planetary gear device is a great choice if your planetary motor’s speed is high. A high-quality planetary gear system can provide a superior performance than conventional systems.
A planetary gear system is a complex mechanism, involving three moving links that are connected to each other through joints. The sun gear acts as an input and the planet gears act as outputs. They rotate about their axes at a ratio determined by the number of teeth on each gear. The sun gear has 24 teeth, while the planet gears have three-quarters that ratio. This ratio makes a planetary motor extremely efficient.
planetary gear train
To predict the free vibration response of a planetary motor gear train, it is essential to develop a mathematical model for the system. Previously, static and dynamic models were used to study the behavior of planetary motor gear trains. In this study, a dynamic model was developed to investigate the effects of key design parameters on the vibratory response. Key parameters for planetary gear transmissions include the structure stiffness and mesh stiffness, and the mass and location of the shaft and bearing supports.
The design of the planetary motor gear train consists of several stages that can run with variable input speeds. The design of the gear train enables the transmission of high torques by dividing the load across multiple planetary gears. In addition, the planetary gear train has multiple teeth which mesh simultaneously in operation. This design also allows for higher efficiency and transmittable torque. Here are some other advantages of planetary motor gear trains. All these advantages make planetary motor gear trains one of the most popular types of planetary motors.
The compact footprint of planetary gears allows for excellent heat dissipation. High speeds and sustained performances will require lubrication. This lubricant can also reduce noise and vibration. But if these characteristics are not desirable for your application, you can choose a different gear type. Alternatively, if you want to maintain high performance, a planetary motor gear train will be the best choice. So, what are the advantages of planetary motor gears?
planetary gear train with fixed carrier train ratio
The planetary gear train is a common type of transmission in various machines. Its main advantages are high efficiency, compactness, large transmission ratio, and power-to-weight ratio. This type of gear train is a combination of spur gears, single-helical gears, and herringbone gears. Herringbone planetary gears have lower axial force and high load carrying capacity. Herringbone planetary gears are commonly used in heavy machinery and transmissions of large vehicles.
To use a planetary gear train with a fixed carrier train ratio, the first and second planets must be in a carrier position. The first planet is rotated so that its teeth mesh with the sun’s. The second planet, however, cannot rotate. It must be in a carrier position so that it can mesh with the sun. This requires a high degree of precision, so the planetary gear train is usually made of multiple sets. A little analysis will simplify this design.
The planetary gear train is made up of three components. The outer ring gear is supported by a ring gear. Each gear is positioned at a specific angle relative to one another. This allows the gears to rotate at a fixed rate while transferring the motion. This design is also popular in bicycles and other small vehicles. If the planetary gear train has several stages, multiple ring gears may be shared. A stationary ring gear is also used in pencil sharpener mechanisms. Planet gears are extended into cylindrical cutters. The ring gear is stationary and the planet gears rotate around a sun axis. In the case of this design, the outer ring gear will have a -3/2 planet gear ratio.
planetary gear train with zero helix angle
The torque distribution in a planetary gear is skewed, and this will drastically reduce the load carrying capacity of a needle bearing, and therefore the life of the bearing. To better understand how this can affect a gear train, we will examine two studies conducted on the load distribution of a planetary gear with a zero helix angle. The first study was done with a highly specialized program from the bearing manufacturer INA/FAG. The red line represents the load distribution along a needle roller in a zero helix gear, while the green line corresponds to the same distribution of loads in a 15 degree helix angle gear.
Another method for determining a gear’s helix angle is to consider the ratio of the sun and planet gears. While the sun gear is normally on the input side, the planet gears are on the output side. The sun gear is stationary. The two gears are in engagement with a ring gear that rotates 45 degrees clockwise. Both gears are attached to pins that support the planet gears. In the figure below, you can see the tangential and axial gear mesh forces on a planetary gear train.
Another method used for calculating power loss in a planetary gear train is the use of an auto transmission. This type of gear provides balanced performance in both power efficiency and load capacity. Despite the complexities, this method provides a more accurate analysis of how the helix angle affects power loss in a planetary gear train. If you’re interested in reducing the power loss of a planetary gear train, read on!
planetary gear train with spur gears
A planetary gearset is a type of mechanical drive system that uses spur gears that move in opposite directions within a plane. Spur gears are one of the more basic types of gears, as they don’t require any specialty cuts or angles to work. Instead, spur gears use a complex tooth shape to determine where the teeth will make contact. This in turn, will determine the amount of power, torque, and speed they can produce.
A two-stage planetary gear train with spur gears is also possible to run at variable input speeds. For such a setup, a mathematical model of the gear train is developed. Simulation of the dynamic behaviour highlights the non-stationary effects, and the results are in good agreement with the experimental data. As the ratio of spur gears to spur gears is not constant, it is called a dedendum.
A planetary gear train with spur gears is a type of epicyclic gear train. In this case, spur gears run between gears that contain both internal and external teeth. The circumferential motion of the spur gears is analogous to the rotation of planets in the solar system. There are four main components of a planetary gear train. The planet gear is positioned inside the sun gear and rotates to transfer motion to the sun gear. The planet gears are mounted on a joint carrier that is connected to the output shaft.
planetary gear train with helical gears
A planetary gear train with helical teeth is an extremely powerful transmission system that can provide high levels of power density. Helical gears are used to increase efficiency by providing a more efficient alternative to conventional worm gears. This type of transmission has the potential to improve the overall performance of a system, and its benefits extend far beyond the power density. But what makes this transmission system so appealing? What are the key factors to consider when designing this type of transmission system?
The most basic planetary train consists of the sun gear, planet gear, and ring gear elements. The number of planets varies, but the basic structure of planetary gears is similar. A simple planetary geartrain has the sun gear driving a carrier assembly. The number of planets can be as low as two or as high as six. A planetary gear train has a low mass inertia and is compact and reliable.
The mesh phase properties of a planetary gear train are particularly important in designing the profiles. Various parameters such as mesh phase difference and tooth profile modifications must be studied in depth in order to fully understand the dynamic characteristics of a PGT. These factors, together with others, determine the helical gears’ performance. It is therefore essential to understand the mesh phase of a planetary gear train to design it effectively.
editor by czh 2023-03-24
China Sigriner PLMD120/120+ Planetary Gearbox With High Torque and Low Backlash for Stepper and Servo Motors CE motorbase
Product Description
Complex services:
- In accordance to the relevant parameters presented by the customer, the CZPT engineering software is used to generate the motion load curve diagram of the system tools to get the corresponding parameters and derive the movement load curve. Intuitively exhibit essential parameters and load indexes in the transmission technique to support consumers have out realistic structural design and style.
- SIGRINER offers a motor databases from 500 servo motor manufacturers throughout the world
Buyer training:
We are honored to provide you with our utilized computing and transmission design experience. We can supply related education in accordance to your needs. We can offer related training according to your requirements.
Specific
STAGE | 1 | ||||||||||
Equipment ratio | i | three | 4 | five | six | 7 | eight | 10 | |||
Rated output torque | T2N | Nm | 208 | 290 | 330 | 310 | three hundred | 260 | 230 | ||
In.lb | 1841 | 2567 | 2921 | 2744 | 2655 | 2301 | 2036 | ||||
The emergency braking minute enables a thousand times in the course of the operating life of the gearbox | T 2NOt | Nm | 3x rated output torque | ||||||||
In.lb | |||||||||||
Rated enter velocity (T2N, ambient temperature of 20 levels C)b | N 1n | rpm | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | ||
Max input pace | N 1max | rpm | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | ||
Max return backlash | J t | arcmin | PLMD120≤5ARCMIN PLMD+ 120≤3ARCMIN customized ≤1ARCMIN | ||||||||
Noload torque(nt=3000rpm,gear box20ºC) | T 012 | Nm | 3.5 | two.seven | 2.4 | two. | one.six | 1.5 | 1.4 | ||
In.lb | 31. | 23.9 | 21.2 | 17.7 | 14.2 | 13.3 | 12.4 | ||||
Twist rigidity | C t21 | Nm/arcmin | 25 | ||||||||
In.lb/arcmin | 221 | ||||||||||
Max radial pressure | F 2AMAX | N | 7000 | ||||||||
Lbf | 1575 | ||||||||||
Max axial pressure | F 3RMAX | N | 3300 | ||||||||
lbf | 742.5 | ||||||||||
Max roll-more than torque | M 2KMax | Nm | 487 | ||||||||
In.lb | 4310 | ||||||||||
Life hour | L h | Hr | ≥20000 | ||||||||
Efficient at entire load | η | % | 97 | ||||||||
Ambient temperature | ºC | -15 to 40 | |||||||||
F | 5 to 104 | ||||||||||
The housing makes it possible for maximum temperature | ºC | +ninety | |||||||||
F | 194 | ||||||||||
Lubrication | Life Lubrication | ||||||||||
Rotation route | Input and output in the identical path | ||||||||||
Defense stage | IP65 | ||||||||||
Installation path | Any | ||||||||||
Functioning noise (i s 10 and n1 s 3000rpm vacant) | LPA DB(A) | ≤58 | |||||||||
Inertia | J1 | Kg.cm2 | 3.twenty five | 2.seventy four | two.71 | 2.65 | two.sixty two | 2.58 | 2.fifty seven | ||
10-³in.lb.s² | 2.eighty one | 2.37 | 2.35 | two.29 | 2.27 | two.23 | 2.23 |
Business application
- We offer quickly supply and powerful assistance all more than the world by means of a complete income and service network
- With many years of prosperous experience, our authoritative experts offer market place-foremost consulting companies for various industrial sectors
- Robotics, automation and manipulator technologies
A selection of servo gearboxes and mechanical transmission techniques, from cost-effective to large-finish types can be applied to different robots and their auxiliary axes, these kinds of as transmission shafts and station manage units
Printing machine
Modern gearbox ensures stability, synchronization accuracy and extended-expression precision even at large speeds
The excellent remedy for substantial-good quality printing procedures and other continuous responsibility programs
Choice: integrated sensor for monitoring paper pressure and similar parameters
- Equipment resources and producing methods
Higher precision, stable operation and higher efficiency are all derived from steady, zero backlash and high rigidity mechanical method solutions, these kinds of as the software of products on feed, rotation and auxiliary axes
Functions of CZPT Precision planetary gearbox
- Very higher power density, torque improved by forty%
- Straightforward motor installation, optional installation with duration payment
- Versatile installation, the gearbox can be mounted vertically, horizontally, and up or down together with the pushed shaft
- Quite large positioning precision, return clearance is considerably less than arc minutes
- Via helical gear meshing, the procedure is secure, and the operating noise is considerably less than 50dB-A
- The world’s foremost life expectancy, and the raw components and mechanism of the seal ring have been optimized
Purposes.:
PBM (regular)
Cycle Programs (ED≤60%)
Higher dynamic apps
High positioning accuracy
Reverse procedure
PBMD*Large PERCISION
Software of steady procedure (ED≤60%)
High rated pace
Temperature-delicate apps
Large quality handle transmission
Our Services.:
1) Competitive price and great high quality
2) Utilized for transmission techniques.
three) Superb overall performance, extended utilizing lifestyle
four) Prompt reaction on obtaining Inquiries or any other messages from buyers
five) only normal planetary gearbox provided
Supply and delivery: We provide CZPT transport, global convey and air transportation to provide your products to you.
(*Arrival time will fluctuate based on location country plan and targeted traffic problem.)
Serving: All goods have a one-calendar year guarantee and online technical support.
FAQ
Q: Are you buying and selling business or maker?
A: We are team business with massive range of products and generation bases, also do investing firm company with far more than twenty several years export activities.
Q:What is actually the MOQ?
A: 1 or 2pcs is obtainable.
Q: How extended is your delivery time?
A: 3-5 days by means of DHL, TNT, UPS, FEDEX. Ocean transport is based on distinct countries.
Packaging & Delivery
packaged in Carton with foam inside of or as for each customer’s demands (Common export canton)
US $158-888 / Piece | |
1 Piece (Min. Order) |
###
Type: | Bearing |
---|---|
Phase: | Single/Three |
Transport Package: | Cartons |
Specification: | *** |
Trademark: | ISO, CE, RoHS |
Origin: | China |
###
STAGE | 1 | ||||||||||
Gear ratio | i | 3 | 4 | 5 | 6 | 7 | 8 | 10 | |||
Rated output torque | T2N | Nm | 208 | 290 | 330 | 310 | 300 | 260 | 230 | ||
In.lb | 1841 | 2567 | 2921 | 2744 | 2655 | 2301 | 2036 | ||||
The emergency braking moment allows 1000 times during the operating life of the gearbox | T 2NOt | Nm | 3x rated output torque | ||||||||
In.lb | |||||||||||
Rated input speed (T2N, ambient temperature of 20 degrees C)b | N 1n | rpm | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | ||
Max input speed | N 1max | rpm | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | ||
Max return backlash | J t | arcmin | PLMD120≤5ARCMIN PLMD+ 120≤3ARCMIN customized ≤1ARCMIN | ||||||||
Noload torque(nt=3000rpm,gear box20ºC) | T 012 | Nm | 3.5 | 2.7 | 2.4 | 2.0 | 1.6 | 1.5 | 1.4 | ||
In.lb | 31.0 | 23.9 | 21.2 | 17.7 | 14.2 | 13.3 | 12.4 | ||||
Twist rigidity | C t21 | Nm/arcmin | 25 | ||||||||
In.lb/arcmin | 221 | ||||||||||
Max radial force | F 2AMAX | N | 7000 | ||||||||
Lbf | 1575 | ||||||||||
Max axial force | F 3RMAX | N | 3300 | ||||||||
lbf | 742.5 | ||||||||||
Max roll-over torque | M 2KMax | Nm | 487 | ||||||||
In.lb | 4310 | ||||||||||
Life hour | L h | Hr | ≥20000 | ||||||||
Efficient at full load | η | % | 97 | ||||||||
Ambient temperature | ºC | -15 to 40 | |||||||||
F | 5 to 104 | ||||||||||
The housing allows maximum temperature | ºC | +90 | |||||||||
F | 194 | ||||||||||
Lubrication | Life Lubrication | ||||||||||
Rotation direction | Input and output in the same direction | ||||||||||
Protection level | IP65 | ||||||||||
Installation direction | Any | ||||||||||
Operating noise (i s 10 and n1 s 3000rpm empty) | LPA DB(A) | ≤58 | |||||||||
Inertia | J1 | Kg.cm2 | 3.25 | 2.74 | 2.71 | 2.65 | 2.62 | 2.58 | 2.57 | ||
10-³in.lb.s² | 2.81 | 2.37 | 2.35 | 2.29 | 2.27 | 2.23 | 2.23 |
US $158-888 / Piece | |
1 Piece (Min. Order) |
###
Type: | Bearing |
---|---|
Phase: | Single/Three |
Transport Package: | Cartons |
Specification: | *** |
Trademark: | ISO, CE, RoHS |
Origin: | China |
###
STAGE | 1 | ||||||||||
Gear ratio | i | 3 | 4 | 5 | 6 | 7 | 8 | 10 | |||
Rated output torque | T2N | Nm | 208 | 290 | 330 | 310 | 300 | 260 | 230 | ||
In.lb | 1841 | 2567 | 2921 | 2744 | 2655 | 2301 | 2036 | ||||
The emergency braking moment allows 1000 times during the operating life of the gearbox | T 2NOt | Nm | 3x rated output torque | ||||||||
In.lb | |||||||||||
Rated input speed (T2N, ambient temperature of 20 degrees C)b | N 1n | rpm | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | ||
Max input speed | N 1max | rpm | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | ||
Max return backlash | J t | arcmin | PLMD120≤5ARCMIN PLMD+ 120≤3ARCMIN customized ≤1ARCMIN | ||||||||
Noload torque(nt=3000rpm,gear box20ºC) | T 012 | Nm | 3.5 | 2.7 | 2.4 | 2.0 | 1.6 | 1.5 | 1.4 | ||
In.lb | 31.0 | 23.9 | 21.2 | 17.7 | 14.2 | 13.3 | 12.4 | ||||
Twist rigidity | C t21 | Nm/arcmin | 25 | ||||||||
In.lb/arcmin | 221 | ||||||||||
Max radial force | F 2AMAX | N | 7000 | ||||||||
Lbf | 1575 | ||||||||||
Max axial force | F 3RMAX | N | 3300 | ||||||||
lbf | 742.5 | ||||||||||
Max roll-over torque | M 2KMax | Nm | 487 | ||||||||
In.lb | 4310 | ||||||||||
Life hour | L h | Hr | ≥20000 | ||||||||
Efficient at full load | η | % | 97 | ||||||||
Ambient temperature | ºC | -15 to 40 | |||||||||
F | 5 to 104 | ||||||||||
The housing allows maximum temperature | ºC | +90 | |||||||||
F | 194 | ||||||||||
Lubrication | Life Lubrication | ||||||||||
Rotation direction | Input and output in the same direction | ||||||||||
Protection level | IP65 | ||||||||||
Installation direction | Any | ||||||||||
Operating noise (i s 10 and n1 s 3000rpm empty) | LPA DB(A) | ≤58 | |||||||||
Inertia | J1 | Kg.cm2 | 3.25 | 2.74 | 2.71 | 2.65 | 2.62 | 2.58 | 2.57 | ||
10-³in.lb.s² | 2.81 | 2.37 | 2.35 | 2.29 | 2.27 | 2.23 | 2.23 |
What Is a Gear Motor?
A gear motor is an electric motor coupled with a gear train. It uses either DC or AC power to achieve its purpose. The primary benefit of a gear reducer is its ability to multiply torque while maintaining a compact size. The trade-off of this additional torque comes in the form of a reduced output shaft speed and overall efficiency. However, proper gear technology and ratios provide optimum output and speed profiles. This type of motor unlocks the full potential of OEM equipment.
Inertial load
Inertial load on a gear motor is the amount of force a rotating device produces due to its inverse square relationship with its inertia. The greater the inertia, the less torque can be produced by the gear motor. However, if the inertia is too high, it can cause problems with positioning, settling time, and controlling torque and velocity. Gear ratios should be selected for optimal power transfer.
The duration of acceleration and braking time of a gear motor depends on the type of driven load. An inertia load requires longer acceleration time whereas a friction load requires breakaway torque to start the load and maintain it at its desired speed. Too short a time period can cause excessive gear loading and may result in damaged gears. A safe approach is to disconnect the load when power is disconnected to prevent inertia from driving back through the output shaft.
Inertia is a fundamental concept in the design of motors and drive systems. The ratio of mass and inertia of a load to a motor determines how well the motor can control its speed during acceleration or deceleration. The mass moment of inertia, also called rotational inertia, is dependent on the mass, geometry, and center of mass of an object.
Applications
There are many applications of gear motors. They provide a powerful yet efficient means of speed and torque control. They can be either AC or DC, and the two most common motor types are the three-phase asynchronous and the permanent magnet synchronous servomotor. The type of motor used for a given application will determine its cost, reliability, and complexity. Gear motors are typically used in applications where high torque is required and space or power constraints are significant.
There are two types of gear motors. Depending on the ratio, each gear has an output shaft and an input shaft. Gear motors use hydraulic pressure to produce torque. The pressure builds on one side of the motor until it generates enough torque to power a rotating load. This type of motors is not recommended for applications where load reversals occur, as the holding torque will diminish with age and shaft vibration. However, it can be used for precision applications.
The market landscape shows the competitive environment of the gear motor industry. This report also highlights key items, income and value creation by region and country. The report also examines the competitive landscape by region, including the United States, China, India, the GCC, South Africa, Brazil, and the rest of the world. It is important to note that the report contains segment-specific information, so that readers can easily understand the market potential of the geared motors market.
Size
The safety factor, or SF, of a gear motor is an important consideration when selecting one for a particular application. It compensates for the stresses placed on the gearing and enables it to run at maximum efficiency. Manufacturers provide tables detailing typical applications, with multiplication factors for duty. A gear motor with a SF of three or more is suitable for difficult applications, while a gearmotor with a SF of one or two is suitable for relatively easy applications.
The global gear motor market is highly fragmented, with numerous small players catering to various end-use industries. The report identifies various industry trends and provides comprehensive information on the market. It outlines historical data and offers valuable insights on the industry. The report also employs several methodologies and approaches to analyze the market. In addition to providing historical data, it includes detailed information by market segment. In-depth analysis of market segments is provided to help identify which technologies will be most suitable for which applications.
Cost
A gear motor is an electric motor that is paired with a gear train. They are available in AC or DC power systems. Compared to conventional motors, gear reducers can maximize torque while maintaining compact dimensions. But the trade-off is the reduced output shaft speed and overall efficiency. However, when used correctly, a gear motor can produce optimal output and mechanical fit. To understand how a gear motor works, let’s look at two types: right-angle geared motors and inline geared motors. The first two types are usually used in automation equipment and in agricultural and medical applications. The latter type is designed for rugged applications.
In addition to its efficiency, DC gear motors are space-saving and have low energy consumption. They can be used in a number of applications including money counters and printers. Automatic window machines and curtains, glass curtain walls, and banknote vending machines are some of the other major applications of these motors. They can cost up to 10 horsepower, which is a lot for an industrial machine. However, these are not all-out expensive.
Electric gear motors are versatile and widely used. However, they do not work well in applications requiring high shaft speed and torque. Examples of these include conveyor drives, frozen beverage machines, and medical tools. These applications require high shaft speed, so gear motors are not ideal for these applications. However, if noise and other problems are not a concern, a motor-only solution may be the better choice. This way, you can use a single motor for multiple applications.
Maintenance
Geared motors are among the most common equipment used for drive trains. Proper maintenance can prevent damage and maximize their efficiency. A guide to gear motor maintenance is available from WEG. To prevent further damage, follow these maintenance steps:
Regularly check electrical connections. Check for loose connections and torque them to the recommended values. Also, check the contacts and relays to make sure they are not tangled or damaged. Check the environment around the gear motor to prevent dust from clogging the passageway of electric current. A proper maintenance plan will help you identify problems and extend their life. The manual will also tell you about any problems with the gearmotor. However, this is not enough – it is important to check the condition of the gearbox and its parts.
Conduct visual inspection. The purpose of visual inspection is to note any irregularities that may indicate possible problems with the gear motor. A dirty motor may be an indication of a rough environment and a lot of problems. You can also perform a smell test. If you can smell a burned odor coming from the windings, there may be an overheating problem. Overheating can cause the windings to burn and damage.
Reactive maintenance is the most common method of motor maintenance. In this type of maintenance, you only perform repairs if the motor stops working due to a malfunction. Regular inspection is necessary to avoid unexpected motor failures. By using a logbook to document motor operations, you can determine when it is time to replace the gear motor. In contrast to preventive maintenance, reactive maintenance requires no regular tests or services. However, it is recommended to perform inspections every six months.
editor by czh 2023-01-26
China Hot Sale High Quality Electric NEMA 34 Easy Servo Stepper Motor with Planetary Gearbox with Hot selling
Item Description
Solution Description
Stepper Motor Description
This waterproof bipolar Nema 3.4″ 86 mm sq. stepper motor is configured with stage angle 1.8° with a measurement of 86 mm x 86 mm x 152.5 mm. It has 4 wires for bipolar link with an IP65 connector and every single period draws present twelve.00 A at 3.00 V, with bipolar holding torque 1180.00 [Ncm] min.
The IP65 rated Ever Elettronica hybrid stepper motors are created to supply dust proof operation and face up to low strain jets of h2o. The IP65 rated stepper motors are ideal for washing machines, health care and laboratory equipments and in the packaging applications because they are appropriate for washdown methods. The high performance waterproof hybrid 2 phase stepper motor is also best to management CZPT pumps of distinct measurements.
Solution Parameters
Motor Specialized Specification
Flange |
NEMA 34 |
Step angle |
1.8 [°] ± 5 [%] |
Keeping torque | 8.2 N.m MIN |
Section resistance |
.fifty four [Ohm] ± ten [%] |
Phase inductance |
5.0 [mH] ± twenty [%] |
Rotor inertia |
3800 [g.cm²] |
Ambient temperature |
-twenty [°C] ~ +fifty [°C] |
Temperature rise |
80 [K] |
Dielectric power |
five hundred [VAC 1 Moment] |
Class security |
IP20 |
Max. shaft radial load |
220 [N] |
Max. shaft axial load |
60 [N] |
Fat |
4000 [g.] |
Mechanical Drawing (in mm)
Nema | Model | Length | Step Angle | Current/Section | Resistance/Phase | Inductance/Period | Holding Torque | # of Prospects | Rotor Inertia |
(L)mm | ( °) | A | Ω | mH | N.M. | No. | g.cm2 | ||
Open LOOP Step MOTOR | |||||||||
Nema8 | EW08-210H | 37.eight | one.80 | 1.00 | four.30 | one.70 | .04min | four.00 | two.90 |
Nema11 | EW11-one hundred ten | 30.1 | 1.80 | one.00 | 4.50 | 3.80 | .08min | 4.00 | 5.00 |
EW11-110H | thirty.1 | 1.80 | one.00 | 4.50 | 4.00 | .07min | 4.00 | nine.00 | |
EW11-310 | 50.4 | 1.80 | 1.00 | 2.50 | two.20 | .14min | four.00 | 20.00 | |
EW11-310D | fifty.four | one.80 | 1.00 | two.50 | two.20 | .14min | four.00 | 20.00 | |
Nema14 | EW14-110 | twenty five.5 | one.80 | 1.00 | 3.30 | 3.80 | .17min | four.00 | twenty five.00 |
EW14-210 | forty.five | 1.80 | 1.00 | 4.00 | six.10 | .2min | four.00 | 25.00 | |
Nema17 | EW17-220 | 33.seven | 1.80 | 2.00 | .70 | 1.40 | .3min | 4.00 | 40.00 |
EW17-320 | 39.2 | 1.80 | 2.00 | one.00 | 1.80 | .45min | four.00 | 60.00 | |
EW17-320D | 39.two | one.80 | two.00 | one.00 | one.80 | .45min | 4.00 | 60.00 | |
EW17-420 | forty seven.2 | one.80 | two.00 | one.00 | 2.00 | .56min | 4.00 | 80.00 | |
EW17-420D | 47.two | one.80 | 2.00 | one.00 | two.00 | .56min | four.00 | eighty.00 | |
EW17-420M | eighty.one | 1.80 | 2.00 | one.35 | 3.20 | .48min | four.00 | 77.00 | |
EW17-520 | sixty | one.80 | two.00 | 1.35 | 2.90 | .70min | 4.00 | a hundred and fifteen.00 | |
EW17-520M | ninety nine.1 | 1.80 | two.00 | 1.77 | 4.00 | .72min | 4.00 | a hundred and ten.00 | |
Nema23 | EW23-one hundred forty | 41.9 | 1.80 | 4.00 | .37 | 1.00 | .70min | 4.00 | 170.00 |
EW23-240 | fifty two.nine | one.80 | 4.00 | .45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240D | 52.9 | 1.80 | 4.00 | .45 | 1.70 | 1.25min | four.00 | 290.00 | |
EW23-240M | ninety five.5 | one.80 | four.00 | .44 | 1.40 | 1.20min | 4.00 | 480.00 | |
EW23-340 | seventy six.4 | 1.80 | four.00 | .50 | 1.80 | two.00min | 4.00 | 520.00 | |
EW23-340D | 76.four | one.80 | 4.00 | .50 | 1.80 | two.00min | four.00 | 520.00 | |
EW23-350M | 116.five | one.80 | 5.00 | .40 | one.80 | 2.00min | four.00 | 480.00 | |
Nema24 | EW24-240 | 54.five | one.80 | four.00 | .45 | one.20 | 1.40min | 4.00 | 450.00 |
EW24-440 | 85.five | 1.80 | four.00 | .80 | three.00 | 3.00min | 4.00 | 900.00 | |
EW24-450M | a hundred twenty five.six | one.80 | 5.00 | .42 | 1.80 | 3.00min | four.00 | 900.00 | |
Nema34 | EW34-260 | 79.five | one.80 | 6.00 | .38 | two.80 | four.5min | four.00 | 1900.00 |
EW34-360 | 99 | 1.80 | 6.00 | .47 | 3.90 | 6.00min | four.00 | 2700.00 | |
EW34-460M | 155.three | 1.80 | six.00 | .54 | five.00 | eight.20min | four.00 | 3800.00 | |
EW34-560 | 129 | one.80 | six.00 | .64 | six.00 | 9.00min | 4.00 | 4000.00 | |
EW34-660 | 159.five | 1.80 | 6.00 | .72 | 7.30 | 12min. | four.00 | 5000.00 | |
EH34-530 | 129 | 1.80 | three.60 | one.06 | 10.00 | 7.1min | 4.00 | 4000.00 |
Organization Profile
Getting benefit of the proactive local weather of the 70s, in 1977 the engineer Felice Caldi, who had always been a passionate builder and inventor, started an modern firm, working internationally in the discipline of software program for industrial equipment.
Since then, this little company primarily based in Lodi has appreciated ongoing successes associated to revolutionary items and reducing edge “ideal in class” technologies in the discipline of industrial automation, as confirmed by the many patents submitted during the a long time as nicely as the crucial awards presented to it by the Chamber of Commerce of Milan and of the Lombardy Area.
The company, many thanks to its successes above time, has grown significantly, expanding its product sales network abroad and opening an additional business in China to handle the revenue stream in the Asian marketplace.
At any time attentive to the dynamics and demands of the automation marketplace, continuously evolving and continually searching for technological innovation, At any time Elettronica has been CZPT to reply to all the technological difficulties that have arisen over the several years, providing remedies CZPT to make its customer’s equipment much more and far more performing and highly aggressive.
And it is precisely to underline the importance and the uniqueness of every solitary client that we layout, with care and commitment, very customised automation remedies, that are CZPT to completely satisfy any request, both with regards to computer software and hardware.
Our team of mechatronic engineers can certainly customise the computer software with specifically designed firmware, and it can also adapt the motor by customising, for case in point, the size of the cables or the diameter of the crankshaft and the IP defense degree, all strictly based on the customer’s specialized technical specs.
US $20-120 / Piece | |
1 Piece (Min. Order) |
###
Application: | Medical and Laboratory Equipment |
---|---|
Speed: | Low Speed |
Number of Stator: | Two-Phase |
Excitation Mode: | HB-Hybrid |
Function: | Driving |
Number of Poles: | 2 |
###
Customization: |
Available
|
---|
###
Flange
|
NEMA 34
|
Step angle
|
1.8 [°] ± 5 [%]
|
Holding torque | 8.2 N.m MIN |
Phase resistance
|
0.54 [Ohm] ± 10 [%]
|
Phase inductance
|
5.0 [mH] ± 20 [%]
|
Rotor inertia
|
3800 [g.cm²]
|
Ambient temperature
|
-20 [°C] ~ +50 [°C]
|
Temperature rise
|
80 [K]
|
Dielectric strength
|
500 [VAC 1 Minute]
|
Class protection
|
IP20
|
Max. shaft radial load
|
220 [N]
|
Max. shaft axial load
|
60 [N]
|
Weight
|
4000 [g.]
|
###
Nema | Model | Length | Step Angle | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | # of Leads | Rotor Inertia |
(L)mm | ( °) | A | Ω | mH | N.M. | No. | g.cm2 | ||
OPEN LOOP STEP MOTOR | |||||||||
Nema8 | EW08-210H | 37.8 | 1.80 | 1.00 | 4.30 | 1.70 | 0.04min | 4.00 | 2.90 |
Nema11 | EW11-110 | 30.1 | 1.80 | 1.00 | 4.50 | 3.80 | 0.08min | 4.00 | 5.00 |
EW11-110H | 30.1 | 1.80 | 1.00 | 4.50 | 4.00 | 0.07min | 4.00 | 9.00 | |
EW11-310 | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
EW11-310D | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
Nema14 | EW14-110 | 25.5 | 1.80 | 1.00 | 3.30 | 3.80 | 0.17min | 4.00 | 25.00 |
EW14-210 | 40.5 | 1.80 | 1.00 | 4.00 | 6.10 | 0.2min | 4.00 | 25.00 | |
Nema17 | EW17-220 | 33.7 | 1.80 | 2.00 | 0.70 | 1.40 | 0.3min | 4.00 | 40.00 |
EW17-320 | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-320D | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-420 | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420D | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420M | 80.1 | 1.80 | 2.00 | 1.35 | 3.20 | 0.48min | 4.00 | 77.00 | |
EW17-520 | 60 | 1.80 | 2.00 | 1.35 | 2.90 | 0.70min | 4.00 | 115.00 | |
EW17-520M | 99.1 | 1.80 | 2.00 | 1.77 | 4.00 | 0.72min | 4.00 | 110.00 | |
Nema23 | EW23-140 | 41.9 | 1.80 | 4.00 | 0.37 | 1.00 | 0.70min | 4.00 | 170.00 |
EW23-240 | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240D | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240M | 95.5 | 1.80 | 4.00 | 0.44 | 1.40 | 1.20min | 4.00 | 480.00 | |
EW23-340 | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-340D | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-350M | 116.5 | 1.80 | 5.00 | 0.40 | 1.80 | 2.00min | 4.00 | 480.00 | |
Nema24 | EW24-240 | 54.5 | 1.80 | 4.00 | 0.45 | 1.20 | 1.40min | 4.00 | 450.00 |
EW24-440 | 85.5 | 1.80 | 4.00 | 0.80 | 3.00 | 3.00min | 4.00 | 900.00 | |
EW24-450M | 125.6 | 1.80 | 5.00 | 0.42 | 1.80 | 3.00min | 4.00 | 900.00 | |
Nema34 | EW34-260 | 79.5 | 1.80 | 6.00 | 0.38 | 2.80 | 4.5min | 4.00 | 1900.00 |
EW34-360 | 99 | 1.80 | 6.00 | 0.47 | 3.90 | 6.00min | 4.00 | 2700.00 | |
EW34-460M | 155.3 | 1.80 | 6.00 | 0.54 | 5.00 | 8.20min | 4.00 | 3800.00 | |
EW34-560 | 129 | 1.80 | 6.00 | 0.64 | 6.00 | 9.00min | 4.00 | 4000.00 | |
EW34-660 | 159.5 | 1.80 | 6.00 | 0.72 | 7.30 | 12min. | 4.00 | 5000.00 | |
EH34-530 | 129 | 1.80 | 3.60 | 1.06 | 10.00 | 7.1min | 4.00 | 4000.00 |
US $20-120 / Piece | |
1 Piece (Min. Order) |
###
Application: | Medical and Laboratory Equipment |
---|---|
Speed: | Low Speed |
Number of Stator: | Two-Phase |
Excitation Mode: | HB-Hybrid |
Function: | Driving |
Number of Poles: | 2 |
###
Customization: |
Available
|
---|
###
Flange
|
NEMA 34
|
Step angle
|
1.8 [°] ± 5 [%]
|
Holding torque | 8.2 N.m MIN |
Phase resistance
|
0.54 [Ohm] ± 10 [%]
|
Phase inductance
|
5.0 [mH] ± 20 [%]
|
Rotor inertia
|
3800 [g.cm²]
|
Ambient temperature
|
-20 [°C] ~ +50 [°C]
|
Temperature rise
|
80 [K]
|
Dielectric strength
|
500 [VAC 1 Minute]
|
Class protection
|
IP20
|
Max. shaft radial load
|
220 [N]
|
Max. shaft axial load
|
60 [N]
|
Weight
|
4000 [g.]
|
###
Nema | Model | Length | Step Angle | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | # of Leads | Rotor Inertia |
(L)mm | ( °) | A | Ω | mH | N.M. | No. | g.cm2 | ||
OPEN LOOP STEP MOTOR | |||||||||
Nema8 | EW08-210H | 37.8 | 1.80 | 1.00 | 4.30 | 1.70 | 0.04min | 4.00 | 2.90 |
Nema11 | EW11-110 | 30.1 | 1.80 | 1.00 | 4.50 | 3.80 | 0.08min | 4.00 | 5.00 |
EW11-110H | 30.1 | 1.80 | 1.00 | 4.50 | 4.00 | 0.07min | 4.00 | 9.00 | |
EW11-310 | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
EW11-310D | 50.4 | 1.80 | 1.00 | 2.50 | 2.20 | 0.14min | 4.00 | 20.00 | |
Nema14 | EW14-110 | 25.5 | 1.80 | 1.00 | 3.30 | 3.80 | 0.17min | 4.00 | 25.00 |
EW14-210 | 40.5 | 1.80 | 1.00 | 4.00 | 6.10 | 0.2min | 4.00 | 25.00 | |
Nema17 | EW17-220 | 33.7 | 1.80 | 2.00 | 0.70 | 1.40 | 0.3min | 4.00 | 40.00 |
EW17-320 | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-320D | 39.2 | 1.80 | 2.00 | 1.00 | 1.80 | 0.45min | 4.00 | 60.00 | |
EW17-420 | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420D | 47.2 | 1.80 | 2.00 | 1.00 | 2.00 | 0.56min | 4.00 | 80.00 | |
EW17-420M | 80.1 | 1.80 | 2.00 | 1.35 | 3.20 | 0.48min | 4.00 | 77.00 | |
EW17-520 | 60 | 1.80 | 2.00 | 1.35 | 2.90 | 0.70min | 4.00 | 115.00 | |
EW17-520M | 99.1 | 1.80 | 2.00 | 1.77 | 4.00 | 0.72min | 4.00 | 110.00 | |
Nema23 | EW23-140 | 41.9 | 1.80 | 4.00 | 0.37 | 1.00 | 0.70min | 4.00 | 170.00 |
EW23-240 | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240D | 52.9 | 1.80 | 4.00 | 0.45 | 1.70 | 1.25min | 4.00 | 290.00 | |
EW23-240M | 95.5 | 1.80 | 4.00 | 0.44 | 1.40 | 1.20min | 4.00 | 480.00 | |
EW23-340 | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-340D | 76.4 | 1.80 | 4.00 | 0.50 | 1.80 | 2.00min | 4.00 | 520.00 | |
EW23-350M | 116.5 | 1.80 | 5.00 | 0.40 | 1.80 | 2.00min | 4.00 | 480.00 | |
Nema24 | EW24-240 | 54.5 | 1.80 | 4.00 | 0.45 | 1.20 | 1.40min | 4.00 | 450.00 |
EW24-440 | 85.5 | 1.80 | 4.00 | 0.80 | 3.00 | 3.00min | 4.00 | 900.00 | |
EW24-450M | 125.6 | 1.80 | 5.00 | 0.42 | 1.80 | 3.00min | 4.00 | 900.00 | |
Nema34 | EW34-260 | 79.5 | 1.80 | 6.00 | 0.38 | 2.80 | 4.5min | 4.00 | 1900.00 |
EW34-360 | 99 | 1.80 | 6.00 | 0.47 | 3.90 | 6.00min | 4.00 | 2700.00 | |
EW34-460M | 155.3 | 1.80 | 6.00 | 0.54 | 5.00 | 8.20min | 4.00 | 3800.00 | |
EW34-560 | 129 | 1.80 | 6.00 | 0.64 | 6.00 | 9.00min | 4.00 | 4000.00 | |
EW34-660 | 159.5 | 1.80 | 6.00 | 0.72 | 7.30 | 12min. | 4.00 | 5000.00 | |
EH34-530 | 129 | 1.80 | 3.60 | 1.06 | 10.00 | 7.1min | 4.00 | 4000.00 |
Dynamic Modeling of a Planetary Motor
A planetary gear motor consists of a series of gears rotating in perfect synchrony, allowing them to deliver torque in a higher output capacity than a spur gear motor. Unlike the planetary motor, spur gear motors are simpler to build and cost less, but they are better for applications requiring lower torque output. That is because each gear carries the entire load. The following are some key differences between the two types of gearmotors.
planetary gear system
A planetary gear transmission is a type of gear mechanism that transfers torque from one source to another, usually a rotary motion. Moreover, this type of gear transmission requires dynamic modeling to investigate its durability and reliability. Previous studies included both uncoupled and coupled meshing models for the analysis of planetary gear transmission. The combined model considers both the shaft structural stiffness and the bearing support stiffness. In some applications, the flexible planetary gear may affect the dynamic response of the system.
In a planetary gear device, the axial end surface of the cylindrical portion is rotatable relative to the separating plate. This mechanism retains lubricant. It is also capable of preventing foreign particles from entering the planetary gear system. A planetary gear device is a great choice if your planetary motor’s speed is high. A high-quality planetary gear system can provide a superior performance than conventional systems.
A planetary gear system is a complex mechanism, involving three moving links that are connected to each other through joints. The sun gear acts as an input and the planet gears act as outputs. They rotate about their axes at a ratio determined by the number of teeth on each gear. The sun gear has 24 teeth, while the planet gears have three-quarters that ratio. This ratio makes a planetary motor extremely efficient.
planetary gear train
To predict the free vibration response of a planetary motor gear train, it is essential to develop a mathematical model for the system. Previously, static and dynamic models were used to study the behavior of planetary motor gear trains. In this study, a dynamic model was developed to investigate the effects of key design parameters on the vibratory response. Key parameters for planetary gear transmissions include the structure stiffness and mesh stiffness, and the mass and location of the shaft and bearing supports.
The design of the planetary motor gear train consists of several stages that can run with variable input speeds. The design of the gear train enables the transmission of high torques by dividing the load across multiple planetary gears. In addition, the planetary gear train has multiple teeth which mesh simultaneously in operation. This design also allows for higher efficiency and transmittable torque. Here are some other advantages of planetary motor gear trains. All these advantages make planetary motor gear trains one of the most popular types of planetary motors.
The compact footprint of planetary gears allows for excellent heat dissipation. High speeds and sustained performances will require lubrication. This lubricant can also reduce noise and vibration. But if these characteristics are not desirable for your application, you can choose a different gear type. Alternatively, if you want to maintain high performance, a planetary motor gear train will be the best choice. So, what are the advantages of planetary motor gears?
planetary gear train with fixed carrier train ratio
The planetary gear train is a common type of transmission in various machines. Its main advantages are high efficiency, compactness, large transmission ratio, and power-to-weight ratio. This type of gear train is a combination of spur gears, single-helical gears, and herringbone gears. Herringbone planetary gears have lower axial force and high load carrying capacity. Herringbone planetary gears are commonly used in heavy machinery and transmissions of large vehicles.
To use a planetary gear train with a fixed carrier train ratio, the first and second planets must be in a carrier position. The first planet is rotated so that its teeth mesh with the sun’s. The second planet, however, cannot rotate. It must be in a carrier position so that it can mesh with the sun. This requires a high degree of precision, so the planetary gear train is usually made of multiple sets. A little analysis will simplify this design.
The planetary gear train is made up of three components. The outer ring gear is supported by a ring gear. Each gear is positioned at a specific angle relative to one another. This allows the gears to rotate at a fixed rate while transferring the motion. This design is also popular in bicycles and other small vehicles. If the planetary gear train has several stages, multiple ring gears may be shared. A stationary ring gear is also used in pencil sharpener mechanisms. Planet gears are extended into cylindrical cutters. The ring gear is stationary and the planet gears rotate around a sun axis. In the case of this design, the outer ring gear will have a -3/2 planet gear ratio.
planetary gear train with zero helix angle
The torque distribution in a planetary gear is skewed, and this will drastically reduce the load carrying capacity of a needle bearing, and therefore the life of the bearing. To better understand how this can affect a gear train, we will examine two studies conducted on the load distribution of a planetary gear with a zero helix angle. The first study was done with a highly specialized program from the bearing manufacturer INA/FAG. The red line represents the load distribution along a needle roller in a zero helix gear, while the green line corresponds to the same distribution of loads in a 15 degree helix angle gear.
Another method for determining a gear’s helix angle is to consider the ratio of the sun and planet gears. While the sun gear is normally on the input side, the planet gears are on the output side. The sun gear is stationary. The two gears are in engagement with a ring gear that rotates 45 degrees clockwise. Both gears are attached to pins that support the planet gears. In the figure below, you can see the tangential and axial gear mesh forces on a planetary gear train.
Another method used for calculating power loss in a planetary gear train is the use of an auto transmission. This type of gear provides balanced performance in both power efficiency and load capacity. Despite the complexities, this method provides a more accurate analysis of how the helix angle affects power loss in a planetary gear train. If you’re interested in reducing the power loss of a planetary gear train, read on!
planetary gear train with spur gears
A planetary gearset is a type of mechanical drive system that uses spur gears that move in opposite directions within a plane. Spur gears are one of the more basic types of gears, as they don’t require any specialty cuts or angles to work. Instead, spur gears use a complex tooth shape to determine where the teeth will make contact. This in turn, will determine the amount of power, torque, and speed they can produce.
A two-stage planetary gear train with spur gears is also possible to run at variable input speeds. For such a setup, a mathematical model of the gear train is developed. Simulation of the dynamic behaviour highlights the non-stationary effects, and the results are in good agreement with the experimental data. As the ratio of spur gears to spur gears is not constant, it is called a dedendum.
A planetary gear train with spur gears is a type of epicyclic gear train. In this case, spur gears run between gears that contain both internal and external teeth. The circumferential motion of the spur gears is analogous to the rotation of planets in the solar system. There are four main components of a planetary gear train. The planet gear is positioned inside the sun gear and rotates to transfer motion to the sun gear. The planet gears are mounted on a joint carrier that is connected to the output shaft.
planetary gear train with helical gears
A planetary gear train with helical teeth is an extremely powerful transmission system that can provide high levels of power density. Helical gears are used to increase efficiency by providing a more efficient alternative to conventional worm gears. This type of transmission has the potential to improve the overall performance of a system, and its benefits extend far beyond the power density. But what makes this transmission system so appealing? What are the key factors to consider when designing this type of transmission system?
The most basic planetary train consists of the sun gear, planet gear, and ring gear elements. The number of planets varies, but the basic structure of planetary gears is similar. A simple planetary geartrain has the sun gear driving a carrier assembly. The number of planets can be as low as two or as high as six. A planetary gear train has a low mass inertia and is compact and reliable.
The mesh phase properties of a planetary gear train are particularly important in designing the profiles. Various parameters such as mesh phase difference and tooth profile modifications must be studied in depth in order to fully understand the dynamic characteristics of a PGT. These factors, together with others, determine the helical gears’ performance. It is therefore essential to understand the mesh phase of a planetary gear train to design it effectively.
editor by czh 2023-01-12
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