A Method of Self-Sensing and Adaptive Cutting in the Whole Process of Machine Tool

Abstract

The invention relates to a method for machine tool self-sensing and self-adaptive cutting in the whole process, belonging to the technical field of machining centers, including a machine tool numerical control system configured with a spindle motor output load rate calculator, a PMC programmable controller and a human-machine interface for setting related parameters, and a machine tool The actual feed speed = program feed speed value × feed override is determined. Through the PMC program, the output load rate of the spindle motor and its variation range can be sensed and detected in real time. Through software algorithm and control, the feed cutting override value of the machine tool can be adaptively changed to realize Controlling the adaptive cutting of the feed speed of the machine tool, the output load rate data of the spindle motor during the machining process can be monitored in real time through the CNC system. It has the characteristics of good running stability, long tool life and high processing efficiency. It solves the problems of machine tool vibration in heavy cutting process and insufficient cutting process efficiency.

Description

technical field [0001] The invention relates to the technical field of machining centers, in particular to a method for self-perception and self-adaptive cutting of a machine tool in the whole process. Background technique [0002] The machining center is the most important equipment on the flexible processing production line. At present, a large number of horizontal machining centers are used in many production lines, such as automobile engine cylinder block and cylinder head production lines. However, the reliability level of many horizontal machining centers is still relatively low. The low level of reliability of the horizontal machining center will directly affect the production efficiency of the users of the horizontal machining center. [0003] The machining center has the following defects in the feed cutting process: 1) When the heavy cutting process enters the initial section of the tool, the load of the spindle increases instantaneously, and the cutting vibratio...

AI Technical Summary

Problems solved by technology

[0005] The invention mainly solves the problems in the prior art of large vibrations in the entry section and exit section of heavy cutting, short tool life and low processing efficiency in the full cutting section, and provides a method for self-sensing and self-adaptive cutting in the whole process of machine tools. It has the characteristics of good running stability, long tool life and high processing efficiency

Solved the problems of machine tool vibration and insufficient cutting process efficiency during heavy cutting