球轴承外圈沟道抛光,原先全部是手工操作。金钢砂四处乱飞,工作环境差,劳动强度大。1968年我厂仿西德样机制了一台全自动四轴超精研机。该机床利用电器液压控制,电器线路复杂,工作中由于油和切削的影响经常发生电路故障。维修也不方便。后来操作工人干脆改为半自动,但由于油的飞溅,一个班下来,工人满身油污。 Ball bearing outer ring channel polishing, all the original manual operation. Grit around flying, poor working environment, labor-intensive. In 1968 I plant a sample of West Germany-like mechanism of a fully automatic four-axis super fine grinding machine. The machine tool using electrical hydraulic control, electrical wiring complex, due to the impact of oil and cutting work often circuit failure. Maintenance is not convenient. Later, the operator simply changed to semi-automatic, but due to the spatter of oil, a shift, the workers covered with oil.