Product Description
PROFESSIONAL MANUFACTURER OF SINGLE-PHASE SERIES MOTOR /GEAR MOTOR
Power,Speed,Torque,Shaft ,Stator Lamination,Rotation And Installing Location
can be customized according to customer‘s requirements.
Product Description:
| Product Name: | DC Geared Motor |
| Model No. | DCR78-35 |
| Brand: | HangZhouA |
| Application: | for Extractor/Mixer/Juicer/Low Speed Blender |
| Starting Mode | Direct on-line Starting |
| Rated Voltage: | 100-240V |
| Rated Power: | 150W |
| No-load Speed: | 3000rpm±10% |
| Gear Ratio: | 61:1 |
| Rated Torque: | 21N.m |
| No-load Current: | 0.13A±10% |
| Output Bearing: | Ball Bearing |
| Out-axis Diam: | ø12 |
| Customized: | yes |
| Positive Inversion: | yes |
| Packing: | foam&carton,or accroding to customers’ specific requirements |
| MOQ: | 500 pcs |
| Delivery Time: | Depends on quantity from 2 weeks to 4 weeks. |
| Payment Term: | T/T, L/C, D/P |
Remarks:
- The performances as above are just for reference only. We can adjust our motor specifications according to customer’s requirements.
- OEM & ODM are both available. Please feel free to contact us with your detailed requirements .
- If ask for quotation, please tell voltage, draft, input power, air flow at least, so we could quote quickly.
Detail View:
Assembly Drawning:
Brief Introduction
HangZhou Xihu (West Lake) Dis. HangZhoua Electric Machinery Factory was established in 1997, it is located in Xihu (West Lake) Dis. District of HangZhou, ZHangZhoug Province.We have about 50,000 square CHINAMFG of the building and nearly 300 employees. In addition, the transportation around the factory is very convenient, it is close to the TongSan Highway, and is just 8 kilometers away from the HangZhou Airport.
Through years of accumulation and development, our factory is now a professional manufacturer of single-phase series motor and gear reducer motor.The application of our product covers many fields,it is mainly used in home kitchen appliances or electric tools, such as juicer, ice crusher, meat grinder, coffee bean grinder , lawn mower and so on.
Our factory has advanced universal motor production line, strong technical force, perfect testing means, products can be produced according to international and domestic standards, but also according to customer requirements or provided samples, drawings and other special design.Our work sticks to the principle of striving for existence by fine quality. Our products sell far all over the world.Our factory will, and as always, wholeheartedly serves broad old and new customers both at home and abroad. We are looking CHINAMFG to establishing business relationships with customers all over the world.
FAQ:
Q1: Are you a trade company or a manufacturer?
A1: HangZhou Xihu (West Lake) Dis. HangZhoua Motor Manufactory was established in 1997, we are a professional
manufacturer of single-phase series motor and gear motor.
Q2: How about sample and charge?
A2: Our sample policy stipulates that customers must pay for sample and express fee,but we could
return the sample and express fee based on certain order quantity. You can specify the express company you want that like DHL, or you can call your courier to pick up from our factory.
Q3: What is your payment terms?
A3: 1. We accept T/T, D/P, L/C at sight.
2. 30% deposit in advance and 70% balance before shipment.(Amount more than 3000USD)
Q4: How can we get detailed price?
A4: Please offer us detailed information of the product,specific packaging requirements and purchasing
quantity.
Q5: Is it possible to visit your factory
A5: Sure. But please kindly keep us posted a few days in advance. We need to check our schedule to see if we are available then.
Q6: How to guarantee punctual shipment for my order?
A6: We give priority to export orders and keep updating progress from production to delivery.
Q7: What about the after-sales service?
A7: Through emails, pictures or guest samples to confirm the real cause of the problem. If there is really
a product problem, we will redo with no charge.
Q8: What is your delivery date?
A8: The delivery date is about 20-30 days after receiving your deposit,it depends on the quantity you
order.
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| Application: | Universal, Industrial, Household Appliances |
|---|---|
| Operating Speed: | Low Speed |
| Excitation Mode: | Excited |
| Function: | Driving |
| Casing Protection: | Protection Type |
| Number of Poles: | 2 |
| Samples: |
US$ 10.00/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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|---|
In which applications are DC motors commonly used, and what advantages do they offer?
DC (Direct Current) motors are widely used in various applications due to their versatility, controllability, and specific advantages they offer. Here’s a detailed explanation of the common applications of DC motors and the advantages they provide:
1. Robotics:
DC motors are extensively used in robotics for precise control of movement and manipulation. They provide high torque and speed control, allowing robots to perform tasks with accuracy and efficiency. DC motors enable robotic arms, grippers, and mobile robots to execute complex motions and interact with their environment effectively.
2. Industrial Automation:
In industrial automation, DC motors are employed in conveyors, actuators, and positioning systems. The ability to control the motor speed and torque makes them suitable for applications such as material handling, assembly lines, and CNC machines. DC motors offer precise control over acceleration, deceleration, and positioning, enhancing overall productivity and efficiency in manufacturing processes.
3. Electric Vehicles:
DC motors have been widely used in electric vehicles (EVs) for many years. They are commonly found in electric cars, motorcycles, and scooters. DC motors provide high torque from standstill, enabling efficient acceleration and smooth operation. They also offer regenerative braking capabilities, which help in energy recovery during deceleration, thereby increasing the vehicle’s overall efficiency.
4. Appliances:
DC motors are utilized in various household appliances, including fans, blenders, vacuum cleaners, and refrigerators. Their controllable speed and torque allow for efficient operation and improved energy consumption. In appliances where variable speed control is required, such as ceiling fans or blender settings, DC motors offer precise adjustment options to meet different user preferences.
5. Renewable Energy Systems:
DC motors play a crucial role in renewable energy systems, such as wind turbines and solar tracking systems. They convert the rotational energy from wind or sunlight into electrical energy. DC motors enable precise tracking of the sun’s movement for optimal solar energy collection and efficient conversion of wind energy into electricity.
6. Advantages of DC Motors:
DC motors offer several advantages that make them suitable for various applications:
- Precise Speed Control: DC motors provide accurate and adjustable speed control, allowing for precise regulation of motor output.
- High Starting Torque: DC motors deliver high torque at startup, making them suitable for applications requiring quick acceleration or heavy loads.
- Controllability: DC motors can be easily controlled using voltage regulation, current limiting, and feedback control techniques.
- Efficiency: DC motors have high efficiency, especially when operating at lower speeds.
- Reliability: DC motors are known for their robustness and reliability, requiring minimal maintenance.
- Compact Size: DC motors are available in various sizes and can be designed compactly, making them suitable for applications with space constraints.
These advantages make DC motors an attractive choice in various industries and applications where precise control, high starting torque, and reliability are essential.
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 safety considerations or maintenance practices associated with DC motors?
Yes, there are safety considerations and maintenance practices associated with DC (Direct Current) motors. DC motors, like any other electrical equipment, require proper handling, maintenance, and adherence to safety guidelines to ensure safe operation and longevity. Here’s a detailed explanation of the safety considerations and maintenance practices associated with DC motors:
Safety Considerations:
Electrical Hazards: DC motors operate with high voltages and currents, posing electrical hazards. It is essential to follow proper electrical safety practices, such as wearing appropriate personal protective equipment (PPE) and ensuring that electrical connections are secure and insulated. Proper grounding and isolation techniques should be employed to prevent electrical shocks and accidents.
Lockout/Tagout: DC motors, especially in industrial settings, may require maintenance or repair work. It is crucial to implement lockout/tagout procedures to isolate the motor from its power source before performing any maintenance or servicing activities. This ensures that the motor cannot be accidentally energized during work, preventing potential injuries or accidents.
Overheating and Ventilation: DC motors can generate heat during operation. Adequate ventilation and cooling measures should be implemented to prevent overheating, as excessive heat can lead to motor damage or fire hazards. Proper airflow and ventilation around the motor should be maintained, and any obstructions or debris should be cleared.
Mechanical Hazards: DC motors often have rotating parts and shafts. Safety guards or enclosures should be installed to prevent accidental contact with moving components, mitigating the risk of injuries. Operators and maintenance personnel should be trained to handle motors safely and avoid placing their hands or clothing near rotating parts while the motor is running.
Maintenance Practices:
Cleaning and Inspection: Regular cleaning and inspection of DC motors are essential for their proper functioning. Accumulated dirt, dust, or debris should be removed from the motor’s exterior and internal components. Visual inspections should be carried out to check for any signs of wear, damage, loose connections, or overheating. Bearings, if applicable, should be inspected and lubricated as per the manufacturer’s recommendations.
Brush Maintenance: DC motors that use brushes for commutation require regular inspection and maintenance of the brushes. The brushes should be checked for wear, proper alignment, and smooth operation. Worn-out brushes should be replaced to ensure efficient motor performance. Brush holders and springs should also be inspected and cleaned as necessary.
Electrical Connections: The electrical connections of DC motors should be periodically checked to ensure they are tight, secure, and free from corrosion. Loose or damaged connections can lead to voltage drops, overheating, and poor motor performance. Any issues with the connections should be addressed promptly to maintain safe and reliable operation.
Insulation Testing: Insulation resistance testing should be performed periodically to assess the condition of the motor’s insulation system. This helps identify any insulation breakdown or degradation, which can lead to electrical faults or motor failures. Insulation resistance testing should be conducted following appropriate safety procedures and using suitable testing equipment.
Alignment and Balance: Proper alignment and balance of DC motors are crucial for their smooth operation and longevity. Misalignment or imbalance can result in increased vibrations, excessive wear on bearings, and reduced motor efficiency. Regular checks and adjustments should be made to ensure the motor is correctly aligned and balanced as per the manufacturer’s specifications.
Manufacturer’s Recommendations: It is important to refer to the manufacturer’s guidelines and recommendations for specific maintenance practices and intervals. Each DC motor model may have unique requirements, and following the manufacturer’s instructions ensures that maintenance is carried out correctly and in accordance with the motor’s design and specifications.
By adhering to safety considerations and implementing proper maintenance practices, DC motors can operate safely, reliably, and efficiently throughout their service life.
editor by CX 2024-05-16