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Which equipment can be used for servo planetary reducer

Views: 0     Author: Site Editor     Publish Time: 2022-10-12      Origin: Site

In the application of industrial production equipment, with the progress of servo motor technology, high torque density and even high power density can increase the speed to more than 3000 rpm. As the speed increases, the power density of the servo motor is greatly improved. This means that we need to equip a reducer for the servo motor to work. The decisive factors mainly include considerations from different application requirements and costs. For example, the following applications must be used in conjunction with servo planetary gear units.


1. Heavy load and high precision: when the load must move and needs to be accurately positioned, generally speaking, it is like automation equipment such as aviation, satellite, medical, military technology, wafer equipment, robot, etc. Their common feature is that the torque required to move the load usually exceeds the torque capacity of the servo motor itself. The reducer can improve the output torque of the servo motor, which can effectively solve this problem.


2. Lifting torque: The output torque can be directly increased by increasing the output torque of the servo motor. However, this method must not only use expensive high-power servo motor, but also have a stronger structure and increase torque. Compared with the increase of control current, the cost of control system will be greatly increased by using larger actuators, more electric and electronic components and related electromechanical equipment.


3. Improve performance: It is understood that the mismatch of load inertia is one of the biggest reasons for unstable servo control. For large load inertia, the reciprocal square of the reduction ratio can be used to match the best equivalent load inertia to obtain the best control response. Therefore, from this point of view, the planetary reducer is the best match for the servo application control response.


4. Reduce equipment cost: From the perspective of cost, assuming that the unit equipment cost of 0.4KW AC servo control motor with driver, the enterprise of 5KW AC servo motor with servo driver must spend 15 unit time costs. However, if we use 0.4KW servo motor with motor and driver together with a reducer, we can achieve the above 15 unit costs and save more than 50% of operating costs.


Therefore, users can choose different types of planetary reducer products according to processing needs. Generally speaking, there are requirements for low speed, high torque and high power density in machine operation. Most of them use planetary reducers.


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