Productbeschrijving
Productbeschrijving
Δ Kindly remind: As different customers may need different motor parameter for fitting your equipment. If below motor can’t fit your need, please kindly send inquiry to us with information for rated power or torque,rated speed, and rated voltage for our new size drawing making for you. CLICK HERE to contact me. Thanks a lot!
Dimensions (Unit: mm )
DMK25-270F172R AC Permanent Magnet Synchronous Motor Specification:
For More Details Of Product Specifications,
Please Click here contact us for updated size drawing if you have other different parameter needed. Thanks
More Motor To Choose
Δ Welcome to contact us to custom.
BLDC Motor with Gearbox Range
Company Profile
DMKE motor was founded in China, HangZhou city,Xihu (West Lake) Dis. district, in 2009. After 12 years’ creativity and development, we became 1 of the leading high-tech companies in China in dc motor industry.
We specialize in high precision micro dc gear motors, brushless motors, brushless controllers, dc servo motors, dc servo controllers etc. And we produce brushless dc motor and controller with wide power range from 5 watt to 20 kilowatt; also dc servo motor power range from 50 watt to 10 kilowatt. They are widely used in automatic guided vehicle , robots, lifting equipment,cleaning machine, medical equipment, packing machinery, and many other industrial automatic equipments.
With a plant area of 4000 square meters, we have built our own supply chain with high quality control standard and passed ISO9001 certificate of quality system.
With more than 10 engineers for brushless dc motor and controllers’ research and development, we own strong independent design and development capability. Custom-made motors and controllers are widely accepted by us. At the same time, we have engineers who can speak fluent English. That makes we can supply intime after-sales support and guidance smoothly for our customers.
Our motors are exported worldwide, and over 80% motors are exported to Europe, the United States, Saudi Arabia, Australia, Korea etc. We are looking CHINAMFG to establishing long-term business relationship together with you for mutual business success.
Veelgestelde vragen
Q1: What kind motors you can provide?
A1: For now, we mainly provide permanent magnet brushless dc motor, dc gear motor, micro dc motor, planetary gear motor, dc servo motor, brush dc motors, with diameter range from 16 to 220mm,and power range from 5W to 20KW.
Q2: Is there a MOQ for your motors?
A2: No. we can accept 1 pcs for sample making for your testing,and the price for sample making will have 10% to 30% difference than bulk price based on different style.
Q3: Could you send me a price list?
A3: For all of our motors, they are customized based on different requirements like power, voltage, gear ratio, rated torque and shaft diameter etc. The price also varies according to different order qty. So it’s difficult for us to provide a price list.
If you can share your detailed specification and order qty, we’ll see what offer we can provide.
Q4: Are you motors reversible?
A4: Yes, nearly all dc and ac motor are reversible. We have technical people who can teach how to get the function by different wire connection.
Q5: Is it possible for you to develop new motors if we provide the tooling cost?
A5: Yes. Please kindly share the detailed requirements like performance, size, annual quantity, target price etc. Then we’ll make our evaluation to see if we can arrange or not.
Q6:How about your delivery time?
A6: For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty.
For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.
Pleasecontact us for final reference.
Q7:What’s your warranty terms?
A6: One year
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| Sollicitatie: | Universal, Household Appliances, Industrial, Power Tools, Pump |
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| Operating Speed: | Adjust Speed |
| Operation Mode: | Electric Motor |
| Magnetic Structure: | Permanent Magnet |
| Functie: | Driving, Control |
| Aantal polen: | 4 |
| Voorbeelden: |
US$ 2417.8/Piece
1 stuk (minimale bestelling) | |
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| Aanpassing: |
Beschikbaar
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Can you explain the concept of motor efficiency and how it relates to AC motors?
Motor efficiency is a measure of how effectively an electric motor converts electrical power into mechanical power. It represents the ratio of the motor’s useful output power (mechanical power) to the input power (electrical power) it consumes. Higher efficiency indicates that the motor converts a larger percentage of the electrical energy into useful mechanical work, while minimizing energy losses in the form of heat and other inefficiencies.
In the case of AC motors, efficiency is particularly important due to their wide usage in various applications, ranging from residential appliances to industrial machinery. AC motors can be both induction motors, which are the most common type, and synchronous motors, which operate at a constant speed synchronized with the frequency of the power supply.
The efficiency of an AC motor is influenced by several factors:
- Motor Design: The design of the motor, including its core materials, winding configuration, and rotor construction, affects its efficiency. Motors that are designed with low-resistance windings, high-quality magnetic materials, and optimized rotor designs tend to have higher efficiency.
- Motor Size: The physical size of the motor can also impact its efficiency. Larger motors generally have higher efficiency because they can dissipate heat more effectively, reducing losses. However, it’s important to select a motor size that matches the application requirements to avoid operating the motor at low efficiency due to underloading.
- Operating Conditions: The operating conditions, such as load demand, speed, and temperature, can influence motor efficiency. Motors are typically designed for maximum efficiency at or near their rated load. Operating the motor beyond its rated load or at very light loads can reduce efficiency. Additionally, high ambient temperatures can cause increased losses and reduced efficiency.
- Magnetic Losses: AC motors experience losses due to magnetic effects, such as hysteresis and eddy current losses in the core materials. These losses result in heat generation and reduce overall efficiency. Motor designs that minimize magnetic losses through the use of high-quality magnetic materials and optimized core designs can improve efficiency.
- Mechanical Friction and Windage Losses: Friction and windage losses in the motor’s bearings, shaft, and rotating parts also contribute to energy losses and reduced efficiency. Proper lubrication, bearing selection, and reducing unnecessary mechanical resistance can help minimize these losses.
Efficiency is an important consideration when selecting an AC motor, as it directly impacts energy consumption and operating costs. Motors with higher efficiency consume less electrical power, resulting in reduced energy bills and a smaller environmental footprint. Additionally, higher efficiency often translates to less heat generation, which can enhance the motor’s reliability and lifespan.
Regulatory bodies and standards organizations, such as the International Electrotechnical Commission (IEC) and the National Electrical Manufacturers Association (NEMA), provide efficiency classes and standards for AC motors, such as IE efficiency classes and NEMA premium efficiency standards. These standards help consumers compare the efficiency levels of different motors and make informed choices to optimize energy efficiency.
In summary, motor efficiency is a measure of how effectively an AC motor converts electrical power into mechanical power. By selecting motors with higher efficiency, users can reduce energy consumption, operating costs, and environmental impact while ensuring reliable and sustainable motor performance.
Welke veiligheidsaspecten zijn van belang bij het werken met of in de buurt van wisselstroommotoren?
Bij het werken met of rondom wisselstroommotoren is het van groot belang de veiligheid in acht te nemen om ongelukken, verwondingen en elektrische gevaren te voorkomen. Hieronder volgen enkele belangrijke veiligheidsaspecten om in gedachten te houden:
- Elektrische gevaren: Wisselstroommotoren werken op hoogspanningssystemen, wat een aanzienlijk elektrisch risico met zich meebrengt. Het is essentieel om de juiste vergrendelings- en markeerprocedures te volgen bij werkzaamheden aan motoren om ervoor te zorgen dat ze spanningsloos zijn en niet per ongeluk kunnen opstarten. Alleen gekwalificeerd personeel mag elektrische werkzaamheden aan motoren uitvoeren en zij moeten geschikte persoonlijke beschermingsmiddelen (PBM's) gebruiken, zoals geïsoleerde handschoenen, veiligheidsbrillen en vlamboogbescherming, om zichzelf te beschermen tegen elektrische schokken en vlamboogincidenten.
- Mechanische gevaren: Wisselstroommotoren drijven vaak mechanische apparatuur aan, zoals pompen, ventilatoren of transportbanden, wat mechanische gevaren met zich mee kan brengen. Bij werkzaamheden aan of in de buurt van motoren is het cruciaal om rekening te houden met roterende onderdelen, riemen, katrollen of koppelingen die beknellings- of pletletsel kunnen veroorzaken. Afschermingen en veiligheidsbarrières moeten aanwezig zijn om onbedoeld contact met bewegende onderdelen te voorkomen, en de juiste beveiligingsprincipes voor machines moeten worden gevolgd. Ook moeten vergrendelings-/markeerprocedures worden toegepast op de bijbehorende mechanische apparatuur om ervoor te zorgen dat deze veilig spanningsloos is tijdens onderhoud of reparatie.
- Brand- en thermische gevaren: Wisselstroommotoren kunnen tijdens bedrijf warmte genereren en in sommige gevallen kan overmatige warmte brandgevaar opleveren. Het is belangrijk ervoor te zorgen dat motoren voldoende geventileerd zijn om warmte af te voeren en oververhitting te voorkomen. Motorbehuizingen en koelsystemen moeten regelmatig worden gecontroleerd op een goede werking. Bovendien moeten brandbare materialen uit de buurt van motoren worden gehouden om het risico op brand te verkleinen. Als een motor tekenen van oververhitting vertoont of een brandlucht verspreidt, moet deze onmiddellijk worden uitgeschakeld en door een gekwalificeerde professional worden gecontroleerd.
- Correcte installatie en aarding: Wisselstroommotoren moeten correct worden geïnstalleerd en geaard om de elektrische veiligheid te garanderen. Motoren moeten worden geïnstalleerd volgens de richtlijnen van de fabrikant, inclusief de juiste uitlijning, montage en aansluiting van de elektrische kabels. Een adequate aarding is essentieel om elektrische schokken te voorkomen en de veilige afvoer van kortsluitstromen te waarborgen. Aardingsgeleiders, zoals aardingsstaven of aardingsbanden, moeten correct worden geïnstalleerd en regelmatig worden gecontroleerd om hun integriteit te behouden.
- Veilig hanteren en tillen: Wisselstroommotoren kunnen zwaar zijn en vereisen de juiste hanterings- en tiltechnieken om letsel aan het bewegingsapparaat te voorkomen. Bij het verplaatsen of tillen van motoren moet gebruik worden gemaakt van apparatuur zoals kranen, takels of heftrucks, en het personeel moet getraind zijn in veilige tiltechnieken. Het is belangrijk om overbelasting te vermijden en de juiste hulpmiddelen te gebruiken, zoals hijsbanden of tilbanden, om het gewicht gelijkmatig te verdelen en overbelasting of letsel te voorkomen.
- Training en bewustwording: Een gedegen training en voldoende bewustzijn zijn essentieel voor veilig werken met en rondom wisselstroommotoren. Werknemers moeten training krijgen over elektrische veiligheid, vergrendelings- en markeerprocedures, het gebruik van persoonlijke beschermingsmiddelen en veilige werkmethoden. Ze moeten bekend zijn met de specifieke gevaren die verbonden zijn aan wisselstroommotoren en begrijpen welke veiligheidsmaatregelen ze moeten nemen. Regelmatige veiligheidsbijeenkomsten en herinneringen kunnen helpen om veilige werkwijzen te versterken en veiligheid onder de aandacht te houden.
Het is belangrijk te benadrukken dat de hierboven genoemde veiligheidsvoorschriften algemene richtlijnen zijn. Specifieke veiligheidseisen kunnen variëren afhankelijk van de motorgrootte, de spanning en de specifieke geldende voorschriften en normen op de werkplek. Het is van cruciaal belang om relevante veiligheidsvoorschriften, regelgeving en beste praktijken in de branche te raadplegen om naleving te garanderen en een veilige werkomgeving te behouden bij het werken met of in de buurt van wisselstroommotoren.
Are there different types of AC motors, and what are their specific applications?
Yes, there are different types of AC motors, each with its own design, characteristics, and applications. The main types of AC motors include:
- Induction Motors: Induction motors are the most commonly used type of AC motor. They are robust, reliable, and suitable for a wide range of applications. Induction motors operate based on the principle of electromagnetic induction. They consist of a stator with stator windings and a rotor with short-circuited conductive bars or coils. The rotating magnetic field produced by the stator windings induces currents in the rotor, creating a magnetic field that interacts with the stator field and generates torque. Induction motors are widely used in industries such as manufacturing, HVAC systems, pumps, fans, compressors, and conveyor systems.
- Synchronous Motors: Synchronous motors are another type of AC motor commonly used in applications that require precise speed control. They operate at synchronous speed, which is determined by the frequency of the AC power supply and the number of motor poles. Synchronous motors have a rotor with electromagnets that are magnetized by direct current, allowing the rotor to lock onto the rotating magnetic field of the stator and rotate at the same speed. Synchronous motors are often used in applications such as industrial machinery, generators, compressors, and large HVAC systems.
- Brushless DC Motors: While the name suggests “DC,” brushless DC motors are actually driven by AC power. They utilize electronic commutation instead of mechanical brushes for switching the current in the motor windings. Brushless DC motors offer high efficiency, low maintenance, and precise control over speed and torque. They are commonly used in applications such as electric vehicles, robotics, computer disk drives, aerospace systems, and consumer electronics.
- Universal Motors: Universal motors are versatile motors that can operate on both AC and DC power. They are designed with a wound stator and a commutator rotor. Universal motors offer high starting torque and can achieve high speeds. They are commonly used in applications such as portable power tools, vacuum cleaners, food mixers, and small appliances.
- Shaded Pole Motors: Shaded pole motors are simple and inexpensive AC motors. They have a single-phase stator and a squirrel cage rotor. Shaded pole motors are characterized by low starting torque and relatively low efficiency. Due to their simple design and low cost, they are commonly used in applications such as small fans, refrigeration equipment, and appliances.
These are some of the main types of AC motors, each with its unique features and applications. The selection of an AC motor type depends on factors such as the required torque, speed control requirements, efficiency, cost, and environmental conditions. Understanding the specific characteristics and applications of each type allows for choosing the most suitable motor for a given application.
editor by CX 2024-04-16
