Rapid identification method for measuring perpendicularity error of numerical control machine tool based on ball rod instrument

A technology of numerical control machine tools and identification methods, applied in the direction of instruments, program control, computer control, etc., can solve the problems of cumbersome operation process and long detection time, and achieve the effect of improving detection efficiency, simple detection procedure and shortening detection time
CN110794766AInactive Publication Date: 2020-02-14TIANJIN POLYTECHNIC UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
TIANJIN POLYTECHNIC UNIV
Publication Date
2020-02-14
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention, which belongs to the field of numerical control machine tool precision detection, discloses a rapid identification method for measuring a perpendicularity error of a numerical control machine tool based on a ball rod instrument, thereby solving problems of difficulty in mounting an experimental device, complex detection program, long detection time and the like in the conventional perpendicularity error detection method. With a three-axis linkage mode of a machine tool, a spherical motion trail of a ball rod instrument is designed to measure the perpendicularity error. Accordingto the invention, the numerical control machine tool error distribution geometrical characteristics are explained through an exponential product formula. Meanwhile, the detection path is optimized; the detection time is shortened; and the detection efficiency is improved.
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Description

technical field

[0001] The invention relates to the field of precision detection of numerical control machine tools, in particular to a fast identification method for measuring verticality errors of numerical control machine tools based on a ballbar.

[0002] technical background

[0003] With the development of society, the proportion of CNC machine tools in the manufacturing field is increasing, which puts forward higher requirements for the accuracy of CNC machine tools. At present, there are many instruments for testing the manufacturing accuracy of CNC machine tools, such as ballbar, R-test, laser interferometer and other instruments. Among them, due to the advantages of low cost, short detection time and simple operation, the ballbar is regarded as an ideal tool for precision detection.

[0004] The existing method of using a ballbar to detect machine tool accuracy has problems such as cumbersome operation process and long detection time. Therefore, a method with simpl...

Claims

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