Warranty: 3months-1year
Model Number: electric car dc motor
Usage: Car
Type: GEAR MOTOR
Torque: 80N.m
Construction: Permanent Magnet
Commutation: Brushless
Protect Feature: Waterproof
Speed(RPM): 3000rpm
Continuous Current(A): 119A
Efficiency: IE 2
Application: Electric Car Vehicle or Boat
Rated Power: 5kW
Max. Power: 15kW
Rated Voltage: 48V
Rated Speed: 1400~3650 r/min
Max. Speed: 6500 r/min
Max. Torque: 80 N.m
Protection Grade: IP 65
Weight: 35kg
Name: electric car conversion kit
Packaging Details: wooden box

Related ProductsAC Motor Driving System
Electric Car Conversion Kit

PMSM Motor Driving System
5kW PMSM Motor Driving System (highly recommended)
30kW PMSM Motor Driving System

After constant testing and confirmed by our clients, we found that 5kW PMSM motor is perfect alternatives for 3kW-5kW AC motor. It has better performance & driving experience. For more details, please click the following pictures.
About Us We have successful experience and products for converting gas car to electric.

Our team members:1. Managers with a comprehensive understanding of the market2. Experienced engineers who have engaged in electric vehicle industry for more than 10 years with full proficiency in technology3. Energetic and motivated colleaguesAfter years of development, the supply & sales chain was adjusted and improved constantly and now became a completed system. We can provide comprehensive service from pre-sales introduction to after-sales technical support.Our products:1. AC driving system (3kw-15kw): AC motor and controller2. PMSM driving system (5kw-50kw): PMSM motor and controller3. Transmission assembly: rear axle, front live shaft, reducer and rear/front drive assembly4. Power supply system: battery charger and Lithium battery
5. Other components: DC-DC converter, dashboard, pedal, encoder and brake

Both AC motor system and PMSM motor system have their advantages and disadvantages. Through continuous experimentation and practice, we found that PMSM motor is more energy-saving comparing with AC motor, but the latter is also irreplaceable in some places or occasion (see FAQ Q1 for more information about the differences between AC motor and PMSM motor). If you are not sure what type of motor and what power to be used in your equipment, fee free to contact us. We have a whole team to give you support.
5kW AC Motor for Electric Car
Features:
1. Simple in structure
2. High reliability
3. Free maintenance
4. Big torque and high efficiency
5. Pure copper winding
5kW AC Motor Controller for Electric Car
Features:
1. DSP chip
2. High temperature adaptability
3. Programmable
4. Anti-rollback function
5. Regenerative braking effect
6. Multiple protections (under-voltage and over-voltage and high temperature)
Rear Axle Assembly for Electric Car
Features:
1. High torque
2. improvement in efficiency
3. Space-saving
4. Strong load bearing capacity
Product ListAC MotorRated Power: 3kW-15kWRated Voltage: 48V-96VMax. Torque: 60N.m-140N.mPMSM MotorRated Power: 5kW-50kWRated Voltage: 48V-420VMax. Torque: 60N.m-235N.mAC Motor ControllerRated Power: 3kW-15kWRated Voltage: 48V-96VMax. Current: 250-500APMSM Motor ControllerRated Power: 5kW-50kWRated Voltage: 48V-420VMax. Current: 300-500AGearboxRatio:6:1/8:1/10:1/12:1Torque Capacity:180N.mNet Weight:15~30kgRear AxleRatio:6.5/8.6/10.5/12.31/14.5/16.9/18.6Standard Length:850mm/950mmBreak Type:drum/disc hydraulic pressure Electric Vehicle Power System Training Platform
Cases5kW AC Motor Driving System for Electric Car
After calculation, we use the following driving system.
Motor Power5/15Max. Torque (N.m)80Speed (rpm)3000/6500Rated Voltage (V)DC72The max. speed can be 40km/h.
Production & Service R&D Department
We have a strong R&D team with many years of experience in areas such as electrical, electronics, software, machinery, automation, etc.
Production Center
A full set of processing equipment can guarantee the accuracy;
Advanced automatic wire embedding system is to ensure the consistency;
Semi-automatic production line will improve the productivity.
Motor ProductionSemi-automatic production line: more than 80% automation60 sets in a single shift; annual production: 15,000; max. annual production: 45,000 sets
Controller ProductionSemi-automatic controller production line: more than 80% automation100 units in a single shift
Quality ManagementThe quality assurance department will supervise the production process and the test equipment can insure the product quality. Certifications Packing & Delivery Normal package is wooden box and it will be fumigated. Sometimes cartons will be chosen if by air. If there are any special requirements, please talk to our sales person.
FAQQ1: What is the difference between AC motor and PMSM motor?

AC motor is simple in structure, easy to manufacture, of high reliability and large start torque. At the same time, it can withstand harsh environment. While PMSM motor, with higher efficiency, small size and light weight saves more than 20% energy compared with AC motor. Both space and energy do matter, but it can not tolerate high temperature. These 2 types of motor have their advantages and disadvantages. They are suitable for different environments. Please talk to our persons and we will take many factors like car weight, max. speed required, terrain, climate into consideration to suggest the right driving system.Besides, some parameters can be customized. It is highly recommended to talk to us. The more information we get, the better solution we will provide, which will directly lead to cost-reduction.

Benefits of a Planetary Motor

If you’re looking for an affordable way to power a machine, consider purchasing a Planetary Motor. These units are designed to provide a massive range of gear reductions, and are capable of generating much higher torques and torque density than other types of drive systems. This article will explain why you should consider purchasing one for your needs. And we’ll also discuss the differences between a planetary and spur gear system, as well as how you can benefit from them.

planetary gears

Planetary gears in a motor are used to reduce the speed of rotation of the armature 8. The reduction ratio is determined by the structure of the planetary gear device. The output shaft 5 rotates through the device with the assistance of the ring gear 4. The ring gear 4 engages with the pinion 3 once the shaft is rotated to the engagement position. The transmission of rotational torque from the ring gear to the armature causes the motor to start.
The axial end surface of a planetary gear device has two circular grooves 21. The depressed portion is used to retain lubricant. This lubricant prevents foreign particles from entering the planetary gear space. This feature enables the planetary gear device to be compact and lightweight. The cylindrical portion also minimizes the mass inertia. In this way, the planetary gear device can be a good choice for a motor with limited space.
Because of their compact footprint, planetary gears are great for reducing heat. In addition, this design allows them to be cooled. If you need high speeds and sustained performance, you may want to consider using lubricants. The lubricants present a cooling effect and reduce noise and vibration. If you want to maximize the efficiency of your motor, invest in a planetary gear hub drivetrain.
The planetary gear head has an internal sun gear that drives the multiple outer gears. These gears mesh together with the outer ring that is fixed to the motor housing. In industrial applications, planetary gears are used with an increasing number of teeth. This distribution of power ensures higher efficiency and transmittable torque. There are many advantages of using a planetary gear motor. These advantages include:

planetary gearboxes

A planetary gearbox is a type of drivetrain in which the input and output shafts are connected with a planetary structure. A planetary gearset can have three main components: an input gear, a planetary output gear, and a stationary position. Different gears can be used to change the transmission ratios. The planetary structure arrangement gives the planetary gearset high rigidity and minimizes backlash. This high rigidity is crucial for quick start-stop cycles and rotational direction.
Planetary gears need to be lubricated regularly to prevent wear and tear. In addition, transmissions must be serviced regularly, which can include fluid changes. The gears in a planetary gearbox will wear out with time, and any problems should be repaired immediately. However, if the gears are damaged, or if they are faulty, a planetary gearbox manufacturer will repair it for free.
A planetary gearbox is typically a 2-speed design, but professional manufacturers can provide triple and single-speed sets. Planetary gearboxes are also compatible with hydraulic, electromagnetic, and dynamic braking systems. The first step to designing a planetary gearbox is defining your application and the desired outcome. Famous constructors use a consultative modeling approach, starting each project by studying machine torque and operating conditions.
As the planetary gearbox is a compact design, space is limited. Therefore, bearings need to be selected carefully. The compact needle roller bearings are the most common option, but they cannot tolerate large axial forces. Those that can handle high axial forces, such as worm gears, should opt for tapered roller bearings. So, what are the advantages and disadvantages of a helical gearbox?

planetary gear motors

When we think of planetary gear motors, we tend to think of large and powerful machines, but in fact, there are many smaller, more inexpensive versions of the same machine. These motors are often made of plastic, and can be as small as six millimeters in diameter. Unlike their larger counterparts, they have only one gear in the transmission, and are made with a small diameter and small number of teeth.
They are similar to the solar system, with the planets rotating around a sun gear. The planet pinions mesh with the ring gear inside the sun gear. All of these gears are connected by a planetary carrier, which is the output shaft of the gearbox. The ring gear and planetary carrier assembly are attached to each other through a series of joints. When power is applied to any of these members, the entire assembly will rotate.
Compared to other configurations, planetary gearmotors are more complicated. Their construction consists of a sun gear centered in the center and several smaller gears that mesh with the central sun gear. These gears are enclosed in a larger internal tooth gear. This design allows them to handle larger loads than conventional gear motors, as the load is distributed among several gears. This type of motor is typically more expensive than other configurations, but can withstand the higher-load requirements of some machines.
Because they are cylindrical in shape, planetary gear motors are incredibly versatile. They can be used in various applications, including automatic transmissions. They are also used in applications where high-precision and speed are necessary. Furthermore, the planetary gear motor is robust and is characterized by low vibrations. The advantages of using a planetary gear motor are vast and include:

planetary gears vs spur gears

A planetary motor uses multiple teeth to share the load of rotating parts. This gives planetary gears high stiffness and low backlash – often as low as one or two arc minutes. These characteristics are important for applications that undergo frequent start-stop cycles or rotational direction changes. This article discusses the benefits of planetary gears and how they differ from spur gears. You can watch the animation below for a clearer understanding of how they operate and how they differ from spur gears.
Planetary gears move in a periodic manner, with a relatively small meshing frequency. As the meshing frequency increases, the amplitude of the frequency also increases. The amplitude of this frequency is small at low clearance values, and increases dramatically at higher clearance levels. The amplitude of the frequency is higher when the clearance reaches 0.2-0.6. The amplitude increases rapidly, whereas wear increases slowly after the initial 0.2-0.6-inch-wide clearance.
In high-speed, high-torque applications, a planetary motor is more effective. It has multiple contact points for greater torque and higher speed. If you are not sure which type to choose, you can consult with an expert and design a custom gear. If you are unsure of what type of motor you need, contact Twirl Motor and ask for help choosing the right one for your application.
A planetary gear arrangement offers a number of advantages over traditional fixed-axis gear system designs. The compact size allows for lower loss of effectiveness, and the more planets in the gear system enhances the torque density and capacity. Another benefit of a planetary gear system is that it is much stronger and more durable than its spur-gear counterpart. Combined with its many advantages, a planetary gear arrangement offers a superior solution to your shifting needs.

planetary gearboxes as a compact alternative to pinion-and-gear reducers

While traditional pinion-and-gear reducer design is bulky and complex, planetary gearboxes are compact and flexible. They are suitable for many applications, especially where space and weight are issues, as well as torque and speed reduction. However, understanding their mechanism and working isn’t as simple as it sounds, so here are some of the key benefits of planetary gearing.
Planetary gearboxes work by using two planetary gears that rotate around their own axes. The sun gear is used as the input, while the planetary gears are connected via a casing. The ratio of these gears is -Ns/Np, with 24 teeth in the sun gear and -3/2 on the planet gear.
Unlike traditional pinion-and-gear reducer designs, planetary gearboxes are much smaller and less expensive. A planetary gearbox is about 50% smaller and weighs less than a pinion-and-gear reducer. The smaller gear floats on top of three large gears, minimizing the effects of vibration and ensuring consistent transmission over time.
Planetary gearboxes are a good alternative to pinion-and-gear drive systems because they are smaller, less complex and offer a higher reduction ratio. Their meshing arrangement is similar to the Milky Way, with the sun gear in the middle and two or more outer gears. They are connected by a carrier that sets their spacing and incorporates an output shaft.
Compared to pinion-and-gear reduces, planetary gearboxes offer higher speed reduction and torque capacity. As a result, planetary gearboxes are small and compact and are often preferred for space-constrained applications. But what about the high torque transfer? If you’re looking for a compact alt