采用新型步进电机的数控主轴头，并将细分技术用于单片微机控制的伺服系统。
NC servo spindle features new type step motor applying fine divide method to servo system controlled by single chip micro computer.
研究了公差分析与优化设计的方法，分析了导引头伺服机构公差分析与设计的主要关键技术。
A method of tolerance analysis and optimization design is investigated. The main key techniques of tolerance analysis and design of the servo mechanism of the guidance head is analyzed.
用伺服电机取代原机械头驱动飞梭机布框。
The original machine head was replaced with servo motor to drive the cloth frame.
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