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微型齿轮（模数为０．０７～０．２ｍｍ）的精密测量在国内外未见报道．本文研究微型齿轮测量仪的电子展成及自动分度测量系统，开发了整数逼近循环比例驱动方法和阶段误差补偿技术．这种方法和技术已成功地应用于作者开发研制的微型齿轮测量仪中．实验证明，应用这种方法和技术可使量仪的成本大幅度降低，并且控制简单、运行可靠．
Micro-gear (modulus of 0.07 ~ 0.2mm) precision measurement at home and abroad have not been reported. In this paper, we develop the electronic development and automatic indexing system of the micro-gear measuring instrument, and develop the method of proportional approximation loop drive and phase error compensation. This method and technology has been successfully applied to the development of micro-gear measuring instrument. Experiments show that the application of this method and technology can greatly reduce the cost of measuring instrument, and the control is simple and reliable operation.