Produktbeschreibung
Produktbeschreibung
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.
Häufig gestellte Fragen
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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| Anwendung: | Universal, Household Appliances, Industrial, Power Tools, Pump |
|---|---|
| Betriebsgeschwindigkeit: | Adjust Speed |
| Operation Mode: | Electric Motor |
| Magnetic Structure: | Permanent Magnet |
| Function: | Driving, Control |
| Number of Poles: | 4 |
| Samples: |
US$ 2417.8/Piece
1 Piece(Min.Order) | |
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| Anpassung: |
Verfügbar
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Können Sie das Konzept des Wirkungsgrads von Motoren erläutern und wie dieser mit Wechselstrommotoren zusammenhängt?
Der Wirkungsgrad eines Elektromotors ist ein Maß dafür, wie effektiv er elektrische Energie in mechanische Energie umwandelt. Er stellt das Verhältnis der nutzbaren Ausgangsleistung (mechanische Leistung) zur aufgenommenen Eingangsleistung (elektrische Leistung) dar. Ein höherer Wirkungsgrad bedeutet, dass der Motor einen größeren Anteil der elektrischen Energie in nutzbare mechanische Arbeit umwandelt und gleichzeitig Energieverluste in Form von Wärme und anderen Ineffizienzen minimiert.
Bei Wechselstrommotoren ist der Wirkungsgrad aufgrund ihrer vielfältigen Einsatzmöglichkeiten – von Haushaltsgeräten bis hin zu Industriemaschinen – besonders wichtig. Es gibt zwei Arten von Wechselstrommotoren: Induktionsmotoren, die am häufigsten vorkommen, und Synchronmotoren, die mit einer konstanten, an die Netzfrequenz angepassten Drehzahl laufen.
Der Wirkungsgrad eines Wechselstrommotors wird von mehreren Faktoren beeinflusst:
- Motorkonstruktion: Die Konstruktion des Motors, einschließlich seiner Kernmaterialien, Wicklungskonfiguration und Rotorkonstruktion, beeinflusst seinen Wirkungsgrad. Motoren mit niederohmigen Wicklungen, hochwertigen Magnetmaterialien und optimierten Rotorkonstruktionen weisen in der Regel einen höheren Wirkungsgrad auf.
- Motorgröße: Die physische Größe des Motors kann sich auch auf seinen Wirkungsgrad auswirken. Größere Motoren weisen im Allgemeinen einen höheren Wirkungsgrad auf, da sie Wärme besser ableiten und somit Verluste reduzieren können. Es ist jedoch wichtig, die Motorgröße an die Anwendungsanforderungen anzupassen, um einen Betrieb des Motors mit geringem Wirkungsgrad aufgrund von Unterlastung zu vermeiden.
- Betriebsbedingungen: Die Betriebsbedingungen, wie Lastbedarf, Drehzahl und Temperatur, beeinflussen den Wirkungsgrad von Motoren. Motoren sind typischerweise für maximale Effizienz bei oder nahe ihrer Nennlast ausgelegt. Der Betrieb des Motors über die Nennlast hinaus oder bei sehr geringer Last kann den Wirkungsgrad verringern. Auch hohe Umgebungstemperaturen können zu erhöhten Verlusten und einem geringeren Wirkungsgrad führen.
- Magnetische Verluste: Wechselstrommotoren weisen Verluste aufgrund magnetischer Effekte auf, wie beispielsweise Hysterese- und Wirbelstromverluste in den Kernmaterialien. Diese Verluste führen zu Wärmeentwicklung und verringern den Gesamtwirkungsgrad. Motorkonstruktionen, die magnetische Verluste durch den Einsatz hochwertiger Magnetmaterialien und optimierter Kernkonstruktionen minimieren, können den Wirkungsgrad verbessern.
- Mechanische Reibungs- und Windverluste: Reibungs- und Windverluste in den Lagern, der Welle und den rotierenden Teilen des Motors tragen ebenfalls zu Energieverlusten und einem geringeren Wirkungsgrad bei. Eine sachgemäße Schmierung, die richtige Lagerauswahl und die Reduzierung unnötigen mechanischen Widerstands können helfen, diese Verluste zu minimieren.
Die Effizienz ist ein wichtiger Faktor bei der Auswahl eines Wechselstrommotors, da sie sich direkt auf den Energieverbrauch und die Betriebskosten auswirkt. Motoren mit höherer Effizienz verbrauchen weniger Strom, was zu geringeren Energiekosten und einer kleineren Umweltbelastung führt. Darüber hinaus bedeutet eine höhere Effizienz oft eine geringere Wärmeentwicklung, was die Zuverlässigkeit und Lebensdauer des Motors erhöhen kann.
Regulierungsbehörden und Normungsorganisationen wie die Internationale Elektrotechnische Kommission (IEC) und die National Electrical Manufacturers Association (NEMA) legen Effizienzklassen und -standards für Wechselstrommotoren fest, beispielsweise die IE-Effizienzklassen und die NEMA-Premium-Effizienzstandards. Diese Standards helfen Verbrauchern, die Effizienz verschiedener Motoren zu vergleichen und fundierte Entscheidungen zur Optimierung der Energieeffizienz zu treffen.
Zusammenfassend lässt sich sagen, dass der Wirkungsgrad eines Motors angibt, wie effektiv ein Wechselstrommotor elektrische Energie in mechanische Energie umwandelt. Durch die Auswahl von Motoren mit höherem Wirkungsgrad können Anwender den Energieverbrauch, die Betriebskosten und die Umweltbelastung reduzieren und gleichzeitig einen zuverlässigen und nachhaltigen Motorbetrieb gewährleisten.
What are the safety considerations when working with or around AC motors?
Working with or around AC motors requires careful attention to safety to prevent accidents, injuries, and electrical hazards. Here are some important safety considerations to keep in mind:
- Electrical Hazards: AC motors operate on high voltage electrical systems, which pose a significant electrical hazard. It is essential to follow proper lockout/tagout procedures when working on motors to ensure that they are de-energized and cannot accidentally start up. Only qualified personnel should perform electrical work on motors, and they should use appropriate personal protective equipment (PPE), such as insulated gloves, safety glasses, and arc flash protection, to protect themselves from electrical shocks and arc flash incidents.
- Mechanical Hazards: AC motors often drive mechanical equipment, such as pumps, fans, or conveyors, which can present mechanical hazards. When working on or near motors, it is crucial to be aware of rotating parts, belts, pulleys, or couplings that can cause entanglement or crushing injuries. Guards and safety barriers should be in place to prevent accidental contact with moving parts, and proper machine guarding principles should be followed. Lockout/tagout procedures should also be applied to the associated mechanical equipment to ensure it is safely de-energized during maintenance or repair.
- Fire and Thermal Hazards: AC motors can generate heat during operation, and in some cases, excessive heat can pose a fire hazard. It is important to ensure that motors are adequately ventilated to dissipate heat and prevent overheating. Motor enclosures and cooling systems should be inspected regularly to ensure proper functioning. Additionally, combustible materials should be kept away from motors to reduce the risk of fire. If a motor shows signs of overheating or emits a burning smell, it should be immediately shut down and inspected by a qualified professional.
- Proper Installation and Grounding: AC motors should be installed and grounded correctly to ensure electrical safety. Motors should be installed according to manufacturer guidelines, including proper alignment, mounting, and connection of electrical cables. Adequate grounding is essential to prevent electrical shocks and ensure the safe dissipation of fault currents. Grounding conductors, such as grounding rods or grounding straps, should be properly installed and regularly inspected to maintain their integrity.
- Safe Handling and Lifting: AC motors can be heavy and require proper handling and lifting techniques to prevent musculoskeletal injuries. When moving or lifting motors, equipment such as cranes, hoists, or forklifts should be used, and personnel should be trained in safe lifting practices. It is important to avoid overexertion and use proper lifting tools, such as slings or lifting straps, to distribute the weight evenly and prevent strain or injury.
- Training and Awareness: Proper training and awareness are critical for working safely with or around AC motors. Workers should receive training on electrical safety, lockout/tagout procedures, personal protective equipment usage, and safe work practices. They should be familiar with the specific hazards associated with AC motors and understand the appropriate safety precautions to take. Regular safety meetings and reminders can help reinforce safe practices and keep safety at the forefront of everyone’s minds.
It is important to note that the safety considerations mentioned above are general guidelines. Specific safety requirements may vary depending on the motor size, voltage, and the specific workplace regulations and standards in place. It is crucial to consult relevant safety codes, regulations, and industry best practices to ensure compliance and maintain a safe working environment when working with or around AC motors.
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
