NC Machine Position Accuracy Testing and NC System Error Compensation Analysis

Zhang, Ke; Cui, Zheng Xing; Gai, Li Ya; Ge, P.; Cai, Dong Gao

doi:10.4028/www.scientific.net/amm.130-134.2316

Cited by 1 publication

(1 citation statement)

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“…Then, two laser beams were reflected back to the beam interferometer, where they were re-combined and back into the laser transmitter. The detector in the laser transmitter monitored interference fringes changes while the second mirror moving [2]. During the linear measurement process, a mirror remained stationary, while the other mirror moved along the linear direction.…”

Section: A Methods For Measuring Positioning Error Of Multi-mode Indusmentioning

confidence: 99%

Methods for Measuring and Compensating Ball Screw Error on Multi-mode Industrial CT Scanning Platform

Zhang¹,

Shangfeng²,

Deng³

2016

Proceedings of the 2016 5th International Conference on Measurement, Instrumentation and Automation (ICMIA 2016)

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Abstract. Precision of ball screw had a great impact on the positioning accuracy of NC positioning platform. The lead error and backlash of ball screw, which could be accurately measured by laser interferometer, were two key factors affecting the positioning accuracy of NC positioning platform. By setting the compensation data in the numerical control system, significant improvement of the positioning accuracy of NC positioning platform could be achieved. A method for measuring lead error and backlash of ball screw by laser interferometer was introduced and another method for calculating compensation data basing on the results of measurement was putted forward. Experiments were carried out on a multi-mode industrial CT scanning platform to verify these two methods. And the positioning accuracy of multi-mode industrial CT scanning platform was advanced obviously by compensating ball screw lead error and backlash with the compensation data measuring by laser interferometer.

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Section: A Methods For Measuring Positioning Error Of Multi-mode Indusmentioning

confidence: 99%