Product Description
Product Description
Please clear the following questions before order!!!
1. What’s the required VOLTAGE?
2. What’s your needed SPEED?
3. Is your idea TORQUE really right?
4. Do you have any SIZE requirement?
5. Do you have any more customization requirements?
OK, now you can refer to our specifications of this motor below:
High Torque Low RPM DC Gear Electric motor 10kg 20kg 50kg cm with planetary gearbox Specifications:
Note : It’s just the typical technical data for you reference, The specification such as voltage, speed, torque, shaft can customized.
More Details:
| Rated Voltage | 12V/24V (Customized) |
| No Load Speed | 1-2000RPM (Customized) |
| Load Torque | 10-50kgf.cm (Changed with the Speed and Reduction Ratio) |
| Reduction Ratio | 1:3.7-1:3736 (Customized, We can choose according to your needed Speed) |
| Output Power | 1-10W (According to the Speed and Voltage) |
| Motor Diameter | 36mm |
| Gearbox Diameter | 36mm |
| Motor Length | 57mm |
| Gearbox Length | 25.1-50.9mm (According to the Reduction Ratio) |
| Shaft Type | D-cut, round or keyway (Customized) |
How to calculate the motor with gearbox output specs?
1. Output Speed(No-load)=Motor Speed(No-load)/Reduction Ratio
2. Output Torque=Motor Torque*Reduction Ratio*Gearbox Efficiency
e.g.:
PG36BL36246320-21.5K
1. Output Speed(No-load)=6320/21.5=293RPM
2. Output Torque=70*21.5*81%=1219.05g.cm≈1.2kg.cm=0.12Nm (Should not be higher than Max. Gear Running Torque)
Related Products
Company Profile
HangZhou CHINAMFG Motor Co. Ltd is a manufacturer and exporter of various of motors with over 10 years experience.
Our product ranges include:
1) DC Brush motor: 6-130mm diameter, 0.01-1000W output power
2) DC Spur Gear Motor: 12-110mm diameter, 0.1-300W output power
3) DC Planeary Gear Motor: 10-82mm diameter, 0.1-100W output power
4) Brushless DC Motor: 28-110mm, 5-1500W output power
5) Stepper Motor: NEMA 08 to NEMA 43, Can with gearbox and lead screw
6) Servo Motor: 42mm to 130mm diameter, 50-4000w
7) AC Gear Motor: 49 to 100mm diameter, 6-140 output power
Production Equipment
Certifications
Customer Visit and Fair
FAQ
Q: What’s your main products?
A:We currently produce Brushed Dc Motors, Brushed Dc gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors and Ac Motors etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q:How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed life time and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have customized service for your standard motors?
A:Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q:Do you have individual design service for motors?
A:Yes, we would like to design motors individually for our customers, but it may need some mould charge and design charge.
Q:Can I have samples for testing first?
A:Yes, definitely you can. After confirmed the needed motor specs, we will quote and provide a proforma invoice for samples, once we get the payment, we will get a PASS from our account department to proceed samples accordingly.
Q:How do you make sure motor quality?
A:We have our own inspection procedures: for incoming materials, we have signed sample and drawing to make sure qualified incoming materials; for production process, we have tour inspection in the process and final inspection to make sure qualified products before shipping.
Q:What’s your lead time?
A:Generally speaking, our regular standard product will need 25-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depends on the specific orders
Q:What’s your payment term?
A:For all our new customers, we will need 40% deposite, 60% paid before shipment.
Q:When will you reply after got my inquiries?
A:We will response within 24 hours once get your inquires.
Q:How can I trust you to make sure my money is safe?
A:We are certified by the third party SGS and we have exported to over 85 countries up to June.2017. You can check our reputation with our current customers in your country (if our customers do not mind), or you can order via alibaba to get trade assurance from alibaba to make sure your money is safe.
Q:What’s the minimum order quantity?
A:Our minimum order quantity depends on different motor models, please email us to check. Also, we usually do not accept personal use motor orders.
Q:What’s your shipping method for motors?
A:For samples and packages less than 100kg, we usually suggest express shipping; For heavy packages, we usually suggest air shipping or sea shipping. But it all depends on our customers’ needs.
Q:What certifications do you have?
A:We currently have CE and ROSH certifications.
Q:Can you send me your price list?
A:Since we have hundreds of different products, and price varies per different specifications, we are not able to offer a price list. But we can quote within 24 hours once got your inquirues to make sure you can get the price in time.
Q:Can I visit your company?
A:Yes, welcome to visit our company, but please let us know at least 2 weeks in advance to help us make sure no other meetings during the day you visit us.
Thanks!
Contact Us
HangZhou CHINAMFG Motor Co.,Ltd
Contact Person: Celia Chen
Any email or trademanager inquires will be replied within 24 hours.
Normal samples can be offer very quickly(within 10 days)
Customized service for kind of motor accoring to your requirement
Professional Tchnical support and After-sale service
Sourcing motor parts like gears, encoders, cables, connectors and so on
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| Application: | Universal, Industrial, Household Appliances, Power Tools, Robot, Toys, Door Lock, Monitor |
|---|---|
| Operating Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Structure and Working Principle: | Brushless |
| Certification: | ISO9001, CCC, CE, RoHS |
| Samples: |
US$ 35/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How is the efficiency of a gear motor measured, and what factors can affect it?
The efficiency of a gear motor is a measure of how effectively it converts electrical input power into mechanical output power. It indicates the motor’s ability to minimize losses and maximize its energy conversion efficiency. The efficiency of a gear motor is typically measured using specific methods, and several factors can influence it. Here’s a detailed explanation:
Measuring Efficiency:
The efficiency of a gear motor is commonly measured by comparing the mechanical output power (Pout) to the electrical input power (Pin). The formula to calculate efficiency is:
Efficiency = (Pout / Pin) * 100%
The mechanical output power can be determined by measuring the torque (T) produced by the motor and the rotational speed (ω) at which it operates. The formula for mechanical power is:
Pout = T * ω
The electrical input power can be measured by monitoring the current (I) and voltage (V) supplied to the motor. The formula for electrical power is:
Pin = V * I
By substituting these values into the efficiency formula, the efficiency of the gear motor can be calculated as a percentage.
Factors Affecting Efficiency:
Several factors can influence the efficiency of a gear motor. Here are some notable factors:
- Friction and Mechanical Losses: Friction between moving parts, such as gears and bearings, can result in mechanical losses and reduce the overall efficiency of the gear motor. Minimizing friction through proper lubrication, high-quality components, and efficient design can help improve efficiency.
- Gearing Efficiency: The design and quality of the gears used in the gear motor can impact its efficiency. Gear trains can introduce mechanical losses due to gear meshing, misalignment, or backlash. Using well-designed gears with proper tooth profiles and minimizing gear train losses can improve efficiency.
- Motor Type and Construction: Different types of motors (e.g., brushed DC, brushless DC, AC induction) have varying efficiency characteristics. Motor construction, such as the quality of magnetic materials, winding resistance, and rotor design, can also affect efficiency. Choosing motors with higher efficiency ratings can improve overall gear motor efficiency.
- Electrical Losses: Electrical losses, such as resistive losses in motor windings or in the motor drive circuitry, can reduce efficiency. Minimizing resistance, optimizing motor drive electronics, and using efficient control algorithms can help mitigate electrical losses.
- Load Conditions: The operating conditions and load characteristics placed on the gear motor can impact its efficiency. Heavy loads, high speeds, or frequent acceleration and deceleration can increase losses and reduce efficiency. Matching the gear motor’s specifications to the application requirements and optimizing load conditions can improve efficiency.
- Temperature: Elevated temperatures can significantly affect the efficiency of a gear motor. Excessive heat can increase resistive losses, reduce lubrication effectiveness, and affect the magnetic properties of motor components. Proper cooling and thermal management techniques are essential to maintain optimal efficiency.
By considering these factors and implementing measures to minimize losses and optimize performance, the efficiency of a gear motor can be enhanced. Manufacturers often provide efficiency specifications for gear motors, allowing users to select motors that best meet their efficiency requirements for specific applications.
How do gear motors compare to other types of motors in terms of power and efficiency?
Gear motors can be compared to other types of motors in terms of power output and efficiency. The choice of motor type depends on the specific application requirements, including the desired power level, efficiency, speed range, torque characteristics, and control capabilities. Here’s a detailed explanation of how gear motors compare to other types of motors in terms of power and efficiency:
1. Gear Motors:
Gear motors combine a motor with a gear mechanism to deliver increased torque output and improved control. The gear reduction enables gear motors to provide higher torque while reducing the output speed. This makes gear motors suitable for applications that require high torque, precise positioning, and controlled movements. However, the gear reduction process introduces mechanical losses, which can slightly reduce the overall efficiency of the system compared to direct-drive motors. The efficiency of gear motors can vary depending on factors such as gear quality, lubrication, and maintenance.
2. Direct-Drive Motors:
Direct-drive motors, also known as gearless or integrated motors, do not use a gear mechanism. They provide a direct connection between the motor and the load, eliminating the need for gear reduction. Direct-drive motors offer advantages such as high efficiency, low maintenance, and compact design. Since there are no gears involved, direct-drive motors experience fewer mechanical losses and can achieve higher overall efficiency compared to gear motors. However, direct-drive motors may have limitations in terms of torque output and speed range, and they may require more complex control systems to achieve precise positioning.
3. Stepper Motors:
Stepper motors are a type of gear motor that excels in precise positioning applications. They operate by converting electrical pulses into incremental steps of movement. Stepper motors offer excellent positional accuracy and control. They are capable of precise positioning and can hold a position without power. Stepper motors have relatively high torque at low speeds, making them suitable for applications that require precise control and positioning, such as robotics, 3D printers, and CNC machines. However, stepper motors may have lower overall efficiency compared to direct-drive motors due to the additional power required to overcome the detents between steps.
4. Servo Motors:
Servo motors are another type of gear motor known for their high torque, high speed, and excellent positional accuracy. Servo motors combine a motor, a feedback device (such as an encoder), and a closed-loop control system. They offer precise control over position, speed, and torque. Servo motors are widely used in applications that require accurate and responsive positioning, such as industrial automation, robotics, and camera pan-tilt systems. Servo motors can achieve high efficiency when properly optimized and controlled but may have slightly lower efficiency compared to direct-drive motors due to the additional complexity of the control system.
5. Efficiency Considerations:
When comparing power and efficiency among different motor types, it’s important to consider the specific requirements and operating conditions of the application. Factors such as load characteristics, speed range, duty cycle, and control requirements influence the overall efficiency of the motor system. While direct-drive motors generally offer higher efficiency due to the absence of mechanical losses from gears, gear motors can deliver higher torque output and enhanced control capabilities. The efficiency of gear motors can be optimized through proper gear selection, lubrication, and maintenance practices.
In summary, gear motors offer increased torque and improved control compared to direct-drive motors. However, gear reduction introduces mechanical losses that can slightly impact the overall efficiency of the system. Direct-drive motors, on the other hand, provide high efficiency and compact design but may have limitations in terms of torque and speed range. Stepper motors and servo motors, both types of gear motors, excel in precise positioning applications but may have slightly lower efficiency compared to direct-drive motors. The selection of the most suitable motor type depends on the specific requirements of the application, balancing power, efficiency, speed range, and control capabilities.
What is a gear motor, and how does it combine the functions of gears and a motor?
A gear motor is a type of motor that incorporates gears into its design to combine the functions of gears and a motor. It consists of a motor, which provides the mechanical power, and a set of gears, which transmit and modify this power to achieve specific output characteristics. Here’s a detailed explanation of what a gear motor is and how it combines the functions of gears and a motor:
A gear motor typically consists of two main components: the motor and the gear system. The motor is responsible for converting electrical energy into mechanical energy, generating rotational motion. The gear system, on the other hand, consists of multiple gears with different sizes and tooth configurations. These gears are meshed together in a specific arrangement to transmit and modify the output torque and speed of the motor.
The gears in a gear motor serve several functions:
1. Torque Amplification:
One of the primary functions of the gear system in a gear motor is to amplify the torque output of the motor. By using gears with different sizes, the input torque can be effectively multiplied or reduced. This allows the gear motor to provide higher torque at lower speeds or lower torque at higher speeds, depending on the gear arrangement. This torque amplification is beneficial in applications where high torque is required, such as in heavy machinery or vehicles.
2. Speed Reduction or Increase:
The gear system in a gear motor can also be used to reduce or increase the rotational speed of the motor output. By utilizing gears with different numbers of teeth, the gear ratio can be adjusted to achieve the desired speed output. For example, a gear motor with a higher gear ratio will output lower speed but higher torque, whereas a gear motor with a lower gear ratio will output higher speed but lower torque. This speed control capability allows for precise matching of motor output to the requirements of specific applications.
3. Directional Control:
Gears in a gear motor can be used to control the direction of rotation of the motor output shaft. By employing different combinations of gears, such as spur gears, bevel gears, or worm gears, the rotational direction can be changed. This directional control is crucial in applications where bidirectional movement is required, such as in conveyor systems or robotic arms.
4. Load Distribution:
The gear system in a gear motor helps distribute the load evenly across multiple gears, which reduces the stress on individual gears and increases the overall durability and lifespan of the motor. By sharing the load among multiple gears, the gear motor can handle higher torque applications without putting excessive strain on any particular gear. This load distribution capability is especially important in heavy-duty applications that require continuous operation under demanding conditions.
By combining the functions of gears and a motor, gear motors offer several advantages. They provide torque amplification, speed control, directional control, and load distribution capabilities, making them suitable for various applications that require precise and controlled mechanical power. Gear motors are commonly used in industries such as robotics, automotive, manufacturing, and automation, where reliable and efficient power transmission is essential.
editor by CX 2024-04-15
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