The key technique is the last precision lapping in the manufacture process of the precision ball.
在精密球体的制造工艺中，关键技术是最后的精密研磨。
An electro-chemical ultra-precision lapping machine with five freedoms of X-, Y- and Z-axis linear movement as well as rotation about X- and Z-axis is developed.
研制了能够实现X、Y、Z三轴直线运动和绕X、Z两轴转动的空间五自由度电化学超精密研磨机床。
Vibration of lapping machine is an important influencing factor on the lapping quality of diamond cutting tools in mechanical lapping, especially in the precision lapping process.
研磨机床的振动是影响金刚石刀具机械研磨质量的重要因素，尤其在精密研磨工序。
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