Gear Drive of Gantry Type CNC Cutting Machine

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As we all known, the gear drive is a common mechanical drive and exists in all kinds of lathes or machine tools. To sum up, there are two purposes for using gear drive in the servo feed system of CNC lathes.

First of all, the gear drive is able to convert the output of high speed low torque servo motor into the input of low speed high torque executive component.

Secondly, it allows the rotational inertia of ball screw and worktable to account for a small percentage in the system. To reduce the influence of gear backlash and ensure the accuracy of CNC lathe, some measurements will be taken in the aspect of structure, diminishing or even eliminating the hysteresis error of gear pair.