Application of system-error-removing technology to closed-loop control system of on-line measurement in grinding operations

Zhi-Chuan Zhang; Xingwu Liu; Pu-Qun Wang

doi:10.1117/12.156366

22 September 1993 Application of system-error-removing technology to closed-loop control system of on-line measurement in grinding operations

Zhi-Chuan Zhang, Xingwu Liu, Pu-Qun Wang

Author Affiliations +

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156366
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

This paper offers a detailed introduction to a successful technical solution to system error removing in grinding operation by Geometrical Adaptive Control(GAC). The system is composed of a machine tool an in-process measuring instrument and an on-line measuring machine. Accuracy of the workpiece ground is to be judged by measuring machine sends signals to in-process measuring instrument or grinder in order to control the feeding amount of tool thus a close-loop control system for grinding operation is formed. All errors made by the system (because of temperature humidity air pressure vibration time drift)will be removed through calibration with standard workpiece (self-examination of the measuring machine). FOREWORD With the development of science and technology in recent years mechanical processing tends to adaptive control and flexible manufacturing systems precision machinery and precision instrument are directed to high accuracy and automation. In the late 70s micro electronics technology makes IC from the stage of large-scale to ultra-large-scale Resolution of digital display reaches 0. 1 . tm. positioning accuracy of test instrument reaches the level of submicro-meter. The accuracy speed and stability of on-line measurer and measuring machine directly influences machining accuracy and working efficiency of proceesing system being inspected. Ready-made close-loop control system of on-line measurement in grinding operation meets the requirement of machining circle (4 seconds) . Its accuracy reaches 0. 5 ii m or even higher. In large batch production. GAC has

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Zhi-Chuan Zhang, Xingwu Liu, and Pu-Qun Wang "Application of system-error-removing technology to closed-loop control system of on-line measurement in grinding operations", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156366

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KEYWORDS

Control systems

Statistical analysis

Signal processing

Temperature metrology

Transducers

Analytical research

Calibration

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