Warranty: 3months-1year
Model Number: DC motor 571
Usage: BOAT, Car, Electric Bicycle, FAN, Home Appliance
Type: DC motor
Torque: 0.8-1NM, 35kg.cm
Construction: Permanent Magnet
Commutation: Brush
Protect Feature: Waterproof
Speed(RPM): 3000RPM
Continuous Current(A): 1A
Efficiency: IE 1
Operating voltage:: 24`36v
Speed:: 3000`3800RPM
Free running current:: 0.03~2A
Stall current: 1~2.5A
Motor length:: 100mm
Motor diameter: 100mm
Hight: 130mm
shaft diameter: 2mm
Packaging Details: Non-wooden Case
Port: Any port in China

12V Permanent Magnet Motor 250W Electric DC Motor for Electric BicycleWe can customize the motors as per your requested. Features:1. High efficience,very powerful2. Not easy to got hot Specifications: No-LoadTorqueLoadedLoad SpeedOutput PowerRatioVoltageCurrentSpeedCurrent24V1.5A3500RPM0.8N.M13A2700RPM250W9.7:124V2.0A3600RPM1.2N.M18A3000RPM350W9.7:136V2.0A2600RPM1.2N.M13A3000RPM350W9.7:1 DC Motors are applicable most wherever variable speed control drives are used. The speed control of DC Motors by armature control or field control at constants torque & for constant continuous operation. Due to the incorporation of latest technology which ensures safe & trouble-free operations under critical conditions.Features:

The V-weld impart heavy strength to the yoke.

Armature laminations are of high-quality electrical grade steel.

Commutator: Made from silver-copper-alloy.

Electrolytic copper segments insulated from 1 another with mica.

Riser connections are the TIG welded Armature windings are impregnated with synthetic resin and properly baked at designed temp. to give complete protection against damage from moisture, acids, and alkalies.

Main poles are made from thick laminations.

High Electrographite carbon brushes used.

Ventilation: Our motor equipped with the screen protected drip proof (PDP) & totally enclosed (te). External force cooling is provided with blower mounted motor.

Packaging & Shipping 1 pcs/carton 100pcs/boxes

Our Services We can customize motor as per your requested.
90 day surplus center warranty.

Production applications:

Company Information
Since 1996, Topping Motor has been a leading electric motor solution provider. We helped numerous customers design drive solution system and deliver high quality motors. Our sales are mainly based on Europe, North America, Australia, Southern Asia and South Africa etc.
· Quality Assurance
As an ISO9001:2015 certified company, we know quality is without doubt the most important thing to survive in the market for long term. All motors will be tested strictly in house. With well experienced employees and highly automated production lines, we are CZPT to achieve a better product performance, lower defect rates and longer working life expectancy.
· Diversified Product Lines
We keep innovating on R&D on new products. In the past 20 years, we successfully expanded our product lines to DC brush motors, DC brushless motors, stepper motors, AC motors, control motors and other custom-designed motors.
· Design Capability
We are proud of our creative and professional engineer team. No matter you are looking for ongoing production stream, small trial order or only a prototype, our engineer team are willing to provide you the most effective motor solution.
· Excellent Customer Service
Our passionate sales team promise rapid response for your inquiry with 99% quote accuracy. All of the team members speak English very well. The value we bring is exactly saving your time and money.

Topping Motor, a better motor drive solution provider.
FAQ
How to select motor:
(1) Confirm the Voltage, Torque, Structure, Work rule;
(2) Structure: Right Angle Output, Straight Output, Go and Back, Rotation Work Line Work.
Work Rule: How long work in a period;
(3) Torque: Constantly Working Torque should not exceed 75% of the motor’ s Rated Torque.
Instantly Working Torque should not exceed motor’ s Rated Torque;
(4) Motor under loading, Measure Current should not exceed motor’ s Rated Current.
If necessary,you can install 0vercurrent Protection Device.

Why don’ t motor running?
Your motor if is low speed motor,extra low speed motor should observe carefully. Connect ion if is correct, and other electric parts if is fine.
All products from our store was test before shipping, and with best package. If also have
problem please contact us.
Install and Operate notes:
(1)Don’ t store or operate in high temperature or damp environment,and avoid gas environment.
(2) The motor’ s shaft axial direction and radial direction bearing stress should not exceed it ability.
(3) When install gears/ sprockets/pulleys on the output shaft, don’ t unusual strike. When fix motor,screws, length should not be too long,or will break the parts inside motor.
About noise: DC high speed motor will produce a little noise,if very care about noise,please kindly contact us.

The Benefits of Using a Gear Motor

A gear motor works on the principle of conservation of angular momentum. As the smaller gear covers more RPM and the larger gear produces more torque, the ratio between the two is greater than one. Similarly, a multiple gear motor follows the principle of energy conservation, with the direction of rotation always opposite to the one that is adjacent to it. It’s easy to understand the concept behind gear motors and the various types available. Read on to learn about the different types of gears and their applications.

Electric motor

The choice of an electric motor for gear motor is largely dependent on the application. There are various motor and gearhead combinations available, and some are more efficient than others. However, it is critical to understand the application requirements and select a motor that meets these needs. In this article, we’ll examine some of the benefits of using a gear motor. The pros and cons of each type are briefly discussed. You can buy new gear motors at competitive prices, but they aren’t the most reliable or durable option for your application.
To determine which motor is best for your application, you’ll need to consider the load and speed requirements. A gear motor’s efficiency (e) can be calculated by taking the input and output values and calculating their relation. On the graph below, the input (T) and output (P) values are represented as dashed lines. The input (I) value is represented as the torque applied to the motor shaft. The output (P) is the amount of mechanical energy converted. A DC gear motor is 70% efficient at 3.75 lb-in / 2,100 rpm.
In addition to the worm gear motor, you can also choose a compact DC worm gear motor with a variable gear ratio from 7.5 to 80. It has a range of options and can be custom-made for your specific application. The 3-phase AC gear motor, on the other hand, works at a rated power of one hp and torque of 1.143.2 kg-m. The output voltage is typically 220V.
Another important factor is the output shaft orientation. There are two main orientations for gearmotors: in-line and offset. In-line output shafts are most ideal for applications with high torque and short reduction ratios. If you want to avoid backlash, choose a right angle output shaft. An offset shaft can cause the output shaft to become excessively hot. If the output shaft is angled at a certain angle, it may be too large or too small.

Gear reducer

A gear reducer is a special kind of speed reducing motor, usually used in large machinery, such as compressors. These reducers have no cooling fan and are not designed to handle heavy loads. Different purposes require different service factors. For instance, a machine that requires frequent fast accelerations and occasional load spikes needs a gear reducer with a high service factor. A gear reducer that’s designed for long production shifts should be larger than a machine that uses it for short periods of time.
A gear reducer can reduce the speed of a motor by a factor of two. The reduction ratio changes the rotation speed of the receiving member. This change in speed is often required to solve problems of inertia mismatch. The torque density of a gear reducer is measured in newton meters and will depend on the motor used. The first criterion is the configuration of the input and output shafts. A gear ratio of 2:1, for example, means that the output speed has been cut in half.
Bevel gear reducers are a good option if the input and output shafts are perpendicular. This type is very robust and is perfect for situations where the angle between two axes is small. However, bevel gear reducers are expensive and require constant maintenance. They are usually used in heavy-duty conveyors and farm equipment. The correct choice of gear reducer for gear motor is crucial for the efficiency and reliability of the mechanism. To get the best gear reducer for your application, talk to a qualified manufacturer today.
Choosing a gear reducer for a gear motor can be tricky. The wrong one can ruin an entire machine, so it’s important to know the specifics. You must know the torque and speed requirements and choose a motor with the appropriate ratio. A gear reducer should also be compatible with the motor it’s intended for. In some cases, a smaller motor with a gear reducer will work better than a larger one.

Motor shaft

Proper alignment of the motor shaft can greatly improve the performance and life span of rotating devices. The proper alignment of motors and driven instruments enhances the transfer of energy from the motor to the instrument. Incorrect alignment leads to additional noise and vibration. It may also lead to premature failure of couplings and bearings. Misalignment also results in increased shaft and coupling temperatures. Hence, proper alignment is critical to improve the efficiency of the driven instrument.
When choosing the correct type of gear train for your motor, you need to consider its energy efficiency and the torque it can handle. A helical geared motor is more efficient for high output torque applications. Depending on the required speed and torque, you can choose between an in-line and a parallel helical geared motor. Both types of gears have their advantages and disadvantages. Spur gears are widespread. They are toothed and run parallel to the motor shaft.
A planetary gear motor can also have a linear output shaft. A stepping motor should not operate at too high current to prevent demagnetization, which will lead to step loss or torque drop. Ensure that the motor and gearbox output shafts are protected from external impacts. If the motor and gearbox are not protected against bumps, they may cause thread defects. Make sure that the motor shafts and rotors are protected from external impacts.
When choosing a metal for your gear motor’s motor shaft, you should consider the cost of hot-rolled bar stock. Its outer layers are more difficult to machine. This type of material contains residual stresses and other problems that make it difficult to machine. For these applications, you should choose a high-strength steel with hard outer layers. This type of steel is cheaper, but it also has size considerations. It’s best to test each material first to determine which one suits your needs.
In addition to reducing the speed of your device, a geared motor also minimizes the torque generated by your machine. It can be used with both AC and DC power. A high-quality gear motor is vital for stirring mechanisms and conveyor belts. However, you should choose a geared motor that uses high-grade gears and provides maximum efficiency. There are many types of planetary gear motors and gears on the market, and it’s important to choose the right one.

First stage gears

The first stage gears of a gear motor are the most important components of the entire device. The motor’s power transmission is 90% efficient, but there are many factors that can affect its performance. The gear ratios used should be high enough to handle the load, but not too high that they are limiting the motor’s speed. A gear motor should also have a healthy safety factor, and the lubricant must be sufficient to overcome any of these factors.
The transmission torque of the gear changes with its speed. The transmission torque at the input side of the gear decreases, transferring a small torque to the output side. The number of teeth and the pitch circle diameters can be used to calculate the torque. The first stage gears of gear motors can be categorized as spur gears, helical gears, or worm gears. These three types of gears have different torque capacities.
The first stage helical gear is the most important part of a gear motor. Its function is to transfer rotation from one gear to the other. Its output is the gearhead. The second stage gears are connected by a carrier. They work in tandem with the first stage gear to provide the output of the gearhead. Moreover, the first stage carrier rotates in the same direction as the input pinion.
Another important component is the output torque of the gearmotor. When choosing a gearmotor, consider the starting torque, running torque, output speed, overhung and shock loads, duty cycles, and more. It is crucial to choose a gearmotor with the right ratio for the application. By choosing the proper gearmotor, you will get maximum performance with minimal operating costs and increase plant productivity. For more information on first stage gears, check out our blog.
The first stage of a gear motor is composed of a set of fixed and rotating sprockets. The first stage of these gears acts as a drive gear. Its rotational mass is a limiting factor for torque. The second stage consists of a rotating shaft. This shaft rotates in the direction of the torque axis. It is also the limiting force for the motor’s torque.