China best High Torque Brushless 6V or Brushed Gear with Planetary DC Gearbox Motor gear ratio calculator

Product Description


Quiet stable and reliable for long life operation

Motor type 63ZYT-125-24
Protection grade IP50
Duty cycle S1 (100%)
Rated voltage 24 V
Rated current 4.9  A
Input power 117.6 W
No-load current 0.4 A
Rated torque 0.27 Nm
Rated speed 3300 ±10% rpm
Rated output power 93.3 W
Friction torque 2 Ncm
efficiency 80%
Maximum torque 1.3 ±10% Nm
Maximum current 23 A
No-load speed 3650 ±10% rpm
Maximum power 245 W
Maximum shell temperature 85 ºC
Weight 1.7 Kg
Planetary gear box F1130
Protection grade IP65
Reduction ratio 710.5:1
Rated torque 120 Nm
Maximum torque 180 Nm
Ambient temperature -20 to 85 ºC
Grease Smart Smart top 28
Grease temperature range -20 to 160 ºC

Function: Control, Driving
Casing Protection: Protection Type
Number of Poles: 8
Certification: ISO9001, CCC, CE
Brand: Jintian
Maximum Current: 23
US$ 162/Piece
1 Piece(Min.Order)

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epicylic gear

Can planetary gears be used in automotive applications?

Planetary gears are widely used in various automotive applications due to their numerous advantages. Let’s explore how planetary gears can be utilized in the automotive industry:

  • Automatic Transmissions:

One of the primary applications of planetary gears in automobiles is in automatic transmissions. Automatic transmissions use a combination of planetary gear sets to achieve different gear ratios, allowing for smooth and efficient shifting between gears. The compact size and high torque capacity of planetary gears make them well-suited for this purpose, providing reliable and efficient power transmission in vehicles.

  • Four-Wheel Drive Systems:

Planetary gears are also employed in four-wheel drive systems, where they help distribute power between the front and rear wheels. By utilizing planetary gear arrangements, the torque can be split between the front and rear axles, providing improved traction and stability on various road conditions. This allows vehicles to have enhanced off-road capabilities and better performance in challenging driving situations.

  • Hybrid and Electric Vehicles:

Planetary gears play a crucial role in hybrid and electric vehicle powertrains. In these vehicles, planetary gear sets are often used to combine the power from the internal combustion engine and the electric motor. The gear arrangement allows for seamless transitions between different power sources, enabling efficient energy management and optimized performance.

  • Start-Stop Systems:

Start-stop systems, which automatically shut off the engine when the vehicle is stationary and restart it when needed, often incorporate planetary gears. These gears help engage and disengage the engine from the drivetrain smoothly, ensuring a quick and seamless transition between the engine’s off and on states. Planetary gears contribute to the overall efficiency and reliability of start-stop systems.

  • Power Steering:

Some power steering systems in automobiles utilize planetary gears to provide assistance in steering. These gears help amplify the driver’s input torque, making steering easier and more responsive. The compact size and high torque capacity of planetary gears make them suitable for power steering applications.

In summary, planetary gears find extensive use in automotive applications, including automatic transmissions, four-wheel drive systems, hybrid and electric vehicle powertrains, start-stop systems, and power steering. Their compact size, high torque capacity, and ability to achieve multiple gear ratios make them well-suited for these applications, providing efficient power transmission, improved performance, and enhanced driving experience in vehicles.

epicylic gear

Can you explain the process of gear shifting in planetary gear systems?

Gear shifting in planetary gear systems involves changing the gear ratio by engaging or disengaging specific components of the gear set. Let’s explore the process of gear shifting in more detail:

  • Clutching and Braking:

The gear shifting process in planetary gear systems primarily relies on clutching and braking mechanisms. These mechanisms selectively connect or disconnect various gears within the system to achieve the desired gear ratio. Here are the key steps involved:

  • Clutch Engagement:

To shift to a higher gear ratio, the clutch associated with the gear component that needs to be engaged is activated. The clutch connects the rotating member, such as the sun gear, planet carrier, or ring gear, to the stationary member, allowing torque transmission. This engagement results in a change in the gear ratio, leading to higher speed or torque output depending on the specific gear set configuration.

  • Brake Application:

On the other hand, to shift to a lower gear ratio, a brake associated with the gear component that needs to be disengaged is applied. The brake immobilizes or slows down the rotation of the selected gear element, preventing it from transmitting torque. By selectively braking certain components, the gear ratio is altered, resulting in a lower speed or higher torque output.

  • Sequential Shifting:

In some planetary gear systems, gear shifting is performed sequentially. This means that one gear component is engaged or disengaged at a time, gradually transitioning from one gear ratio to another. Sequential shifting allows for smooth and controlled gear changes, minimizing the stress on the transmission components and ensuring seamless power transmission.

  • Electronic Control:

In modern applications, gear shifting in planetary gear systems is often electronically controlled. Electronic control systems utilize sensors, actuators, and a control unit to monitor various parameters such as vehicle speed, engine load, and driver input. Based on these inputs, the control unit determines the optimal gear shift points and actuates the clutches and brakes accordingly. Electronic control enhances the efficiency, precision, and automation of the gear shifting process.

In summary, gear shifting in planetary gear systems involves the engagement and disengagement of clutches and brakes to alter the gear ratio. By selectively connecting or disconnecting specific gear components, the speed and torque output can be adjusted. Sequential shifting and electronic control systems further enhance the gear shifting process, providing smooth and efficient operation in various applications, including automotive transmissions and industrial machinery.

epicylic gear

How do planetary gears contribute to power transmission and gear reduction?

Planetary gears play a significant role in power transmission and gear reduction. Let’s explore how planetary gears contribute to these aspects:

  • Torque Amplification:

One of the key contributions of planetary gears is torque amplification. The arrangement of multiple gear sets in a compact design allows for torque multiplication. When the input power is applied to the sun gear, it drives the rotation of the planet gears. The planet gears, in turn, mesh with the ring gear, creating a mechanical advantage that amplifies the torque output. This torque amplification is beneficial in applications where high torque is required while maintaining a smaller form factor.

  • Gear Ratio Variation:

Another contribution of planetary gears is their ability to achieve different gear ratios. By varying the number of teeth on the sun gear, planet gears, and ring gear, a wide range of gear ratios can be obtained. The gear ratio is determined by the relative sizes of the gears and the number of teeth on each gear. This flexibility in gear ratios allows machinery to adapt to varying speed and torque requirements, enabling precise control and efficient power transmission.

  • Gear Reduction:

Planetary gears are commonly used for gear reduction applications. Gear reduction refers to the process of reducing the rotational speed and increasing the torque output of a power source. In a planetary gear system, gear reduction is achieved by fixing the ring gear and allowing the sun gear to rotate as the input. The rotation of the sun gear drives the planet gears, which in turn rotate the output carrier or arm. The output speed is slower than the input speed, resulting in gear reduction. This gear reduction capability is valuable in various applications, such as automotive transmissions and power transmission systems.

  • Efficient Power Transmission:

Planetary gears are known for their efficient power transmission capabilities. The internal gear meshing and the distribution of load across multiple gear teeth result in efficient torque transfer with minimal power loss. The load is shared among the planet gears, allowing for higher torque capacity and reduced wear on individual gear teeth. This efficient power transmission ensures that a significant portion of the input power is effectively transmitted to the output, making planetary gears suitable for applications where energy conservation and optimization are crucial.

In summary, planetary gears contribute to power transmission and gear reduction through torque amplification, gear ratio variation, gear reduction mechanism, and efficient power transmission. The ability to amplify torque, achieve different gear ratios, and transmit power efficiently makes planetary gears widely used in various industries and mechanical systems.

China best High Torque Brushless 6V or Brushed Gear with Planetary DC Gearbox Motor gear ratio calculatorChina best High Torque Brushless 6V or Brushed Gear with Planetary DC Gearbox Motor gear ratio calculator
editor by CX 2023-10-12