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《Modular Machine Tool & Automatic Manufacturing Technique》 2011-05
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Research on Precise Carbon Film Potentiometer Automatic Trimming Technology and System

WANG Guang-lin,WANG Liang,WANG Jie,MA Tong-fei(School of Mechatronics Engineering Harbin Institute of Technology,Harbin 150001,China)  
A new automatic trimming method for precise carbon film potentiometer based on all-in resistance feedback theory has been proposed and an automatic trimming system has been setup under the guidance of this method.Analyzed the manufacturing processes of precise carbon film potentiometer and former manual trimming measuring method,considering the requirement of automatic system and the characters of collection points data,an automatic linearity trimming algorithm fitting for the production has been worked out meanwhile experiment has been carried out.Indirect resistance measuring method and cutter compensation have been proposed to reduce error through studying the test results.Optimized the movement parameters,the processing efficiency has been improved.Experiment and analysis results show this method is both high precision and efficiency and the system is reliable and easy to operate,which will greatly improve production efficiency of potentiometer manufacturer.
【CateGory Index】: TG65
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