Grinding force control method and grinding machine based on grinding force control method

Abstract

The invention relates to a grinding force control method and a grinding machine based on the grinding force control method, and belongs to the field of B24B machine tools for grinding. The grinding force control method comprises the steps that S1, a set grinding force is input into a machine tool control device; S2, the machine tool control device obtains a grinding wheel motor torque in a motor driver, a grinding wheel radius measured by a grinding wheel radius measuring device and an actual grinding force corresponding to the grinding wheel radius in real time; and S3, the machine tool control device calculates a machine tool shaft motion amount according to the set grinding force, the grinding wheel motor torque, the grinding wheel radius and the actual grinding force and sends the machine tool shaft motion amount to a motor driver of any machine tool shaft to control motion of a motor, so that the grinding wheel of the grinding machine conducts grinding machining on a workpiece at the preset position and speed, and control over the grinding force is achieved. According to the grinding force control method and the grinding machine based on the grinding force control method provided by the invention, the grinding force is controlled in a closed-loop mode through the machine tool control device, so that the problem that an appointed grinding result cannot be achieved due to the fact that an existing machine tool controls the grinding force only by adjusting the rotating speed of a grinding wheel is solved.

Description

technical field [0001] The invention relates to B24B, the field of machine tools for grinding, in particular to a grinding force control method and a grinding machine based thereon. Background technique [0002] The grinding force of the existing CNC system grinding machine is generally detected by the force sensor installed on the machine tool, and then the detected value is transmitted to the grinding wheel motor driver to form a closed-loop control. The driver realizes the control of the grinding force by adjusting the speed. However, the existing CNC system Grinding machine because the grinding force is mainly related to the contact relationship between the grinding wheel and the workpiece, and the grinding force control is mainly to achieve the specified grinding result, but the existing machine tool can not achieve the specified grinding result only by adjusting the grinding wheel speed to control the grinding force In order to solve the above problems, it is necessary...

AI Technical Summary

Problems solved by technology

[0002] The grinding force of the existing CNC system grinding machine is generally detected by the force sensor installed on the machine tool, and then the detected value is transmitted to the grinding wheel motor driver to form a closed-loop control. The driver realizes the control of the grinding force by adjusting the speed. However, the existing CNC system Grinding machine because the grinding force is mainly related to the contact relationship between the grinding wheel and the workpiece, and the grinding force control is mainly to achieve the specified grinding result, but the existing machine tool can not achieve the specified grinding result only by adjusting the grinding wheel speed to control the grinding force In order to solve the above problems, it is necessary to provide a method that can control the grinding force of the grinder

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