This article mainly through to ordinary lathe C6163 transformed to realize satisfy diameter forΦ120mm~Φ140 mm deep hole processing of the workpiece. The reform not only keep the original lathe use function,at the same time also increased the function of the deep hole processing,transforming process cost is low,at the same time can let idle equipment are fully utilized,and for mechanical industry old equipment reform provide very good way.% 本文主要通过对普通车床C6163进行改造实现满足直径为Φ120mm~Φ140mm的工件的深孔加工。此次改造既保持了原车床的使用功能，同时也增加了深孔加工的功能，改造过程成本低廉，同时可以让闲置的设备得到充分的利用，为机械行业老设备改造提供很好途径。
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