Product Description
Product Description
Feature:
A. High power range from 5W to 20KW
B. Rich stock and fast shipping time in 10 working days
C. Easy for speed & direction adjustment
D. 16mm to 220mm size range with low noisy
E. Strong stability for driver/controller
F. Lifetime above continuous 10000 hours
G. IP65 protection rank is available for us
H. Above 90% enery efficiency motor is available
I. 3D file is available if customers needed
J. Permanent magnet brushless dc motor
K.High-performance and stable matching driver and controller
| Rated power(W) | Rated voltag(V) | Rated speed(r/min) | Rated torque(N.m) | Rated current(A) | L=Motor length(mm) |
| 1000W | DC48V | 3000r/min | 3.18 | 26.04A | 123mm |
| 1500W | DC48V | 3000r/pmin | 4.78 | 39.06A | 153mm |
| 2000W | DC48V | 3000r/min | 6.36 | 52.08A | 183mm |
Δ Motor interface, Voltage, Speed can be customized.
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 Flange Size
Δ More Motor Flange Size to choose, if you need other size. 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.
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.Please take the sales
confirmation for final reference.
Q7:What’s your warranty terms?
A6: One year
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| Application: | Universal, Industrial, Household Appliances, Power Tools |
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| Operating Speed: | Adjust Speed |
| Excitation Mode: | Compound |
| Function: | Control, Driving |
| Casing Protection: | Protection Type |
| Number of Poles: | 8 |
| Samples: |
US$ 155/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
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Can you explain the basic working principle behind a DC motor?
A DC (Direct Current) motor operates based on the fundamental principle of electromagnetic induction. It converts electrical energy into mechanical motion by utilizing the interaction between magnetic fields and current-carrying conductors. Here’s a detailed explanation of the basic working principle behind a DC motor:
1. Construction:
A DC motor consists of several key components:
- Stator: The stator is the stationary part of the motor and typically consists of permanent magnets or electromagnets that produce a fixed magnetic field.
- Rotor: The rotor is the moving part of the motor and is connected to the shaft. It contains coils or windings that carry the armature current.
- Armature: The armature is the core of the rotor that holds the armature windings. The windings are usually made of copper wire and are evenly spaced around the armature.
- Commutator: The commutator is a cylindrical ring attached to the rotor shaft. It consists of multiple segments, usually made of copper, that are insulated from each other.
- Brushes: The brushes are stationary contacts that make physical contact with the commutator segments. They are typically made of carbon or graphite and provide electrical connections to the armature windings.
2. Electromagnetic Induction:
When a current-carrying conductor is placed in a magnetic field, it experiences a force due to the interaction between the magnetic field and the current. This phenomenon is described by the right-hand rule, where the direction of the force is perpendicular to both the current direction and the magnetic field direction.
3. Motor Operation:
When a DC motor is powered, a DC voltage is applied to the armature windings through the brushes and commutator. The current flowing through the armature windings creates a magnetic field around the windings. This magnetic field interacts with the fixed magnetic field produced by the stator, resulting in a force that causes the rotor to rotate.
4. Commutation:
The commutation process is crucial for the continuous rotation of the rotor in a DC motor. As the rotor spins, the brushes make contact with different commutator segments, effectively reversing the direction of the current in the armature windings at the appropriate timing. This reversal of current flow ensures that the torque generated in the armature windings is always in the same direction, allowing for continuous rotation of the rotor.
5. Speed Control:
The speed of a DC motor can be controlled by varying the applied voltage. Reducing the voltage results in a decrease in the magnetic field strength, which in turn decreases the force acting on the armature windings. This reduction in force leads to a decrease in the motor’s speed. Conversely, increasing the voltage increases the speed of the motor. Precise speed control can be achieved by using electronic circuits to regulate the voltage supplied to the motor.
6. Advantages and Applications:
DC motors offer several advantages, including:
- High starting torque, making them suitable for applications requiring high initial force.
- Excellent speed control capabilities, allowing for precise and adjustable speed regulation.
- Relatively simple construction and ease of maintenance.
- Wide range of sizes and power ratings, making them adaptable to various applications.
DC motors find extensive use in numerous applications, such as robotics, industrial automation, electric vehicles, appliances, and more.
By understanding the basic working principle behind a DC motor, one can appreciate its functionality and explore its applications in different fields.
How is the efficiency of a DC motor determined, and what factors can affect it?
In a DC (Direct Current) motor, efficiency refers to the ratio of the motor’s output power (mechanical power) to its input power (electrical power). It is a measure of how effectively the motor converts electrical energy into mechanical work. The efficiency of a DC motor can be determined by considering several factors that affect its performance. Here’s a detailed explanation of how the efficiency of a DC motor is determined and the factors that can influence it:
The efficiency of a DC motor is calculated using the following formula:
Efficiency = (Output Power / Input Power) × 100%
1. Output Power: The output power of a DC motor is the mechanical power produced at the motor’s shaft. It can be calculated using the formula:
Output Power = Torque × Angular Speed
The torque is the rotational force exerted by the motor, and the angular speed is the rate at which the motor rotates. The output power represents the useful work or mechanical energy delivered by the motor.
2. Input Power: The input power of a DC motor is the electrical power supplied to the motor. It can be calculated using the formula:
Input Power = Voltage × Current
The voltage is the electrical potential difference applied to the motor, and the current is the amount of electrical current flowing through the motor. The input power represents the electrical energy consumed by the motor.
Once the output power and input power are determined, the efficiency can be calculated using the formula mentioned earlier.
Several factors can influence the efficiency of a DC motor:
1. Copper Losses:
Copper losses occur due to the resistance of the copper windings in the motor. These losses result in the conversion of electrical energy into heat. Higher resistance or increased current flow leads to greater copper losses and reduces the efficiency of the motor. Using thicker wire for the windings and minimizing resistance can help reduce copper losses.
2. Iron Losses:
Iron losses occur due to magnetic hysteresis and eddy currents in the motor’s iron core. These losses result in the conversion of electrical energy into heat. Using high-quality laminated iron cores and minimizing magnetic flux variations can help reduce iron losses and improve efficiency.
3. Friction and Windage Losses:
Friction and windage losses occur due to mechanical friction between moving parts and air resistance. These losses result in the conversion of mechanical energy into heat. Proper lubrication, efficient bearing systems, and aerodynamically optimized designs can help minimize friction and windage losses.
4. Brush and Commutator Losses:
In brushed DC motors, brush and commutator losses occur due to the friction and electrical resistance at the brush-commutator interface. These losses result in the conversion of electrical energy into heat. Using high-quality brushes and commutators, reducing brush voltage drop, and minimizing the number of commutator segments can help reduce these losses.
5. Magnetic Field Design:
The design of the magnetic field in the motor significantly affects its efficiency. Optimizing the magnetic field for the specific application, such as selecting appropriate magnet materials or designing efficient electromagnets, can improve the motor’s efficiency.
6. Motor Load:
The load on the motor, including the torque and speed requirements, can impact its efficiency. Operating the motor close to its optimal load conditions or utilizing speed control techniques, such as pulse width modulation (PWM), can help improve efficiency by reducing unnecessary power consumption.
7. Motor Size and Construction:
The size and construction of the motor can influence its efficiency. Properly sizing the motor for the intended application and optimizing the design for reduced losses, improved cooling, and efficient heat dissipation can enhance overall efficiency.
It’s important to note that the efficiency of a DC motor is typically highest at or near its rated load conditions. Deviating significantly from the rated load can result in reduced efficiency.
In summary, the efficiency of a DC motor is determined by comparing the output power to the input power. Factors such as copper losses, iron losses, friction and windage losses, brush and commutator losses, magnetic field design, motor load, and motor size and construction can all influence the efficiency of a DC motor. By considering and optimizing these factors, the overall efficiency of the motor can be improved.
Are there innovations or emerging technologies in the field of DC motor design?
Yes, there have been several innovations and emerging technologies in the field of DC (Direct Current) motor design. These advancements aim to improve the performance, efficiency, reliability, and overall capabilities of DC motors. Here’s a detailed explanation of some notable innovations and emerging technologies in DC motor design:
1. Brushless DC Motors:
One significant advancement in DC motor design is the development and widespread adoption of brushless DC motors (BLDC motors). Unlike traditional DC motors that use brushes for commutation, BLDC motors employ electronic commutation through the use of permanent magnets and motor controller circuits. This eliminates the need for brushes, reducing maintenance requirements and improving overall motor efficiency and lifespan. BLDC motors offer higher torque density, smoother operation, better speed control, and improved energy efficiency compared to conventional brushed DC motors.
2. High-Efficiency Materials:
The use of high-efficiency materials in DC motor design has been an area of focus for improving motor performance. Advanced magnetic materials, such as neodymium magnets, have allowed for stronger and more compact motor designs. These materials increase the motor’s power density, enabling higher torque output and improved efficiency. Additionally, advancements in materials used for motor windings and core laminations have reduced electrical losses and improved overall motor efficiency.
3. Power Electronics and Motor Controllers:
Advancements in power electronics and motor control technologies have greatly influenced DC motor design. The development of sophisticated motor controllers and efficient power electronic devices enables precise control of motor speed, torque, and direction. These technologies have resulted in more efficient and reliable motor operation, reduced energy consumption, and enhanced motor performance in various applications.
4. Integrated Motor Systems:
Integrated motor systems combine the motor, motor controller, and associated electronics into a single unit. These integrated systems offer compact designs, simplified installation, and improved overall performance. By integrating the motor and controller, issues related to compatibility and communication between separate components are minimized. Integrated motor systems are commonly used in applications such as robotics, electric vehicles, and industrial automation.
5. IoT and Connectivity:
The integration of DC motors with Internet of Things (IoT) technologies and connectivity has opened up new possibilities for monitoring, control, and optimization of motor performance. By incorporating sensors, actuators, and connectivity features, DC motors can be remotely monitored, diagnosed, and controlled. This enables predictive maintenance, energy optimization, and real-time performance adjustments, leading to improved efficiency and reliability in various applications.
6. Advanced Motor Control Algorithms:
Advanced motor control algorithms, such as sensorless control and field-oriented control (FOC), have contributed to improved performance and efficiency of DC motors. Sensorless control techniques eliminate the need for additional sensors by leveraging motor current and voltage measurements to estimate rotor position. FOC algorithms optimize motor control by aligning the magnetic field with the rotor position, resulting in improved torque and efficiency, especially at low speeds.
These innovations and emerging technologies in DC motor design have revolutionized the capabilities and performance of DC motors. Brushless DC motors, high-efficiency materials, advanced motor control techniques, integrated motor systems, IoT connectivity, and advanced control algorithms have collectively contributed to more efficient, reliable, and versatile DC motor solutions across various industries and applications.
editor by CX 2024-02-28