Detection system for press machine brake performance based on virtual instrument
CHEN Feng1, 2, LI Shanghui2, SHEN Zhuo2, BING Zhigang1,2, LI Qingfeng2, LI Weilin2
(1.Zhejiang Test Academy of Quality and Technical Supervision, Hangzhou 310018, China; 2.Zhejiang Fangyuan test Group Co., Ltd., Hangzhou 310018, China)

Abstract: Aiming at the press machine brake performance affect the performance of its security, press machine brake performance detection technology was studied according standard, and a kind of press machine brake performance detection system based on virtual instrument was put for ward. Incremental photoelectric encoder and the hall sensor were used as a sensing element. Detection software was designed by LabVIEW which is a virtual instrument programming tool, and the theoretical analysis and instance validation in the actual mechanical press were carried on. The results indicate that, braking time and braking angle of press machine can be detected accurately, the program workload can be reduced by using this kind of design method, reliability and stability of system can be improved, and provide important guarantee to press machine brake performance and safety performance evaluation.
Key words: virtual instrument; mechanical press; brake performance; braking time