Planetary Gear Unit is a modular component that integrates the core structure of planetary gear transmission, and is an independent functional unit that realizes power transmission and speed/torque conversion. It encapsulates core components such as the sun gear, planetary gear, ring gear, and planetary carrier into a whole through structures such as bearings and housings, which can be directly connected to motors, loads, or other transmission systems. It is an engineering application form of Planetary Gear Transmission.
Planetary Gear Unit is a modular integrated device for planetary gear transmission systems, which integrates components such as planetary gear mechanisms, bearings, housings, and lubrication systems into standardized functional units. It can be directly installed in mechanical equipment to provide deceleration/acceleration, torque conversion, or power distribution functions.
The core function of Planetary Gear Unit is to convert the input power (speed, torque) into the output parameters required by the load through the transmission law of the internal planetary gear system. The specific functions include:
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Deceleration and torque increase |
Convert the high speed and low torque input of the motor into low speed and high torque output (the most common application), for example, the motor speed is 3000rpm, and after deceleration, it outputs 300rpm, amplifying the torque by 10 times. |
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Speed increase and torque reduction |
In a few scenarios, speed increase is achieved through reverse transmission (such as the wind turbine speed increase box, which converts the low-speed rotation of blades into high-speed power generation of the generator). |
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Reversing transmission |
By fixing different components or combining wheel systems, the rotation direction of the output shaft can be changed (such as the forward and backward rotation requirements of certain robotic arm joints). |
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Power diversion/convergence |
When multiple stages or sets of planetary gear systems are combined, power can be diverted and transmitted (such as in the power coupling system of hybrid vehicles). |
Here In this page, we introduce our PGF serial Planetary Gear Reducers, you will see datasheet,finished gearboxes,videos of test as follows:
Also You are welcome to watch more projects or visit our video gallery by Youtube: https://www.youtube.com/@tallmanrobotics
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High Precision Disc Output Type: PGF |
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The application scenarios of Planetary Gear Unit are highly compatible with its high power density and compactness, and common areas include:
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Industrial automation |
Servo motor reduction units (such as CNC machine tool feed axes and robot joints) require high precision and low backlash (<1 arc minute). |
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Transportation |
New energy vehicle drive axle reduction unit (transmitting the power of the drive motor to the wheels), shift unit in the automatic transmission of the car. |
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Construction machinery |
Hydraulic motors paired with deceleration units (such as excavator slewing mechanisms, crane winches) need to withstand large impact loads. |
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Precision equipment |
drone servo drive unit, medical equipment (such as surgical robot robotic arms), requiring small size and low noise. |
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Energy equipment |
wind turbine speed increasing unit (converting low-speed rotation of blades into high-speed rotation of generator rotor), photovoltaic tracking system driving unit. |
Planetary Gear Unit is a modular component that transforms the principles of planetary gear transmission into practical engineering products. By integrating core wheel systems, support structures, and interface components, it provides standardized power conversion functions. It has become the core solution for "compact space efficient transmission" in industrial, transportation, energy and other fields with high power density, reliability and convenience, and is the key "power bridge" connecting power sources and loads.
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