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我厂有很多只使用过1～2次的机用铰刀,因极限尺寸达不到标准而判为废品,我们通过技术改造,使一大批机用铰刀再生,收到明显经济效益。机用铰刀的改进如图1所示。我们利用线切割机
Our factory has a lot of machine reamers which have been used only 1 or 2 times, which is judged as scrap because the ultimate size can not reach the standard. Through technological innovation, we have regenerated a large number of machine reamers and received obvious economic benefits. Machine reamer improvement shown in Figure 1. We use wire cutting machine