TEG120 Series High Precision Planetary Gearbox Helical Gear Reducer is a type of gearbox that is commonly used in industrial automation equipment for precise speed control and positioning. It is also known as servo motor planetary gearbox and low backlash planetary gearbox. The TEG120 Series gearbox is a versatile product that can be used in a variety of applications due to its high precision and low backlash design. It is capable of handling high loads and is known for its high efficiency and durability.
The High Precision Planetary Gearbox consists of the following components:
The Sun Gear is located at the center of the planetary gearbox and is usually connected to the input shaft or fixed to the housing as a stationary component.
The Planet Gears rotate around the Sun Gear and are supported and held in place relative to each other by the Planet Carrier. Each Planet Gear meshes with both the Sun Gear and the Ring Gear, and when power is input, they collectively bear and distribute the load.
The Planet Carrier is a structure with multiple Planet Gear shaft holes, which supports the Planet Gears and allows them to rotate relative to the Sun Gear. The Planet Carrier can be used as an output element or connected to another shaft to transmit or receive torque.
The Ring Gear/Annulus is a large-diameter ring gear that is fixed inside the housing and has teeth on both its inner and outer surfaces, which mesh with the Planet Gears. In some applications, the Ring Gear can also be used as an input or output end.
The bearings in the High Precision Planetary Gearbox support the input shaft, output shaft, and Planet Carrier, ensuring stable rotation and smooth operation between the components.
The housing is the external frame of the entire gearbox, which protects the internal components from external environmental influences and provides installation interfaces. The seals ensure that the internal lubricant does not leak and prevent dust and water from entering the gearbox.
The working principle of the High Precision Planetary Gearbox is as follows:
When power is input to the Sun Gear, the Sun Gear drives the surrounding Planet Gears to rotate. Because the Planet Gears mesh with both the Sun Gear and the Ring Gear, they rotate on their own axis while also revolving around the center of the Sun Gear via the Planet Carrier. This way, the torque input to the Sun Gear is amplified and evenly distributed to the Planet Carrier at the output end.
By adjusting the gear ratio of different components, speed conversion and torque amplification between the input and output ends can be achieved. Generally, when the number of Planet Gears increases or the gear ratio increases, the amplification effect of torque becomes more significant, but the output speed will decrease at the same time.
In high-precision applications, to ensure accurate position control and minimal mechanical clearance, high-precision planetary gearboxes use preloading technology to reduce or eliminate the clearance between gears, which is called "zero/low backlash" design.
One important advantage of the planetary gear mechanism is that it can distribute the load evenly among multiple Planet Gears, thereby improving the bearing capacity and stability of the entire system, and optimizing dynamic response performance.
The following table lists some of the design and selection considerations for High Precision Planetary Gearbox:
| Factors | Explanation |
|---|---|
| Load capacity | The gearbox should be able to handle the expected load without failure. |
| Backlash requirements | The level of mechanical clearance between gears should be considered based on the application's precision requirements. |
| Ratio requirements | The gear ratio should be selected based on the application's speed and torque requirements. |
| Efficiency requirements | The gearbox efficiency should be considered to ensure that the system operates optimally. |
| Noise requirements | The gearbox noise level should be considered based on the application's noise requirements. |
| Size and weight requirements | The gearbox size and weight should be considered to ensure that it fits within the application's parameters and can be easily installed. |
The High Precision Planetary Gearbox is used in a variety of industries and applications, including:
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