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过去,我厂锻造的高速钢铣刀坯都是实心锻件,这种老锻造方法,在原材料的利用上是不合理的。我们遵循毛主席的教导,树立敢想、敢干、敢闯的雄心壮志,经过多次试验,终于改进了我厂高速钢铣刀坯的锻造方法,将铣刀坯锻成空心件。这样,在保证质量的基础上,节约了大量的贵重高速钢材,也减少了以后机械加工的工时和工具的磨耗。现将我厂改进后的锻造方法介绍如下。供有关单位参考。
In the past, the high-speed steel milling cutter blanks forged in our factory were all solid forgings. This old forging method is unreasonable in the utilization of raw materials. Following the teachings of Chairman Mao, we have set our ambitions of daring to think, daring to do and dare to break through. After many tests, we finally improved the forging method of our high-speed steel milling cutter blanks, and weighed them into hollow parts. In this way, on the basis of ensuring the quality, saving a lot of expensive high-speed steel, but also reduce the working hours and tools after the wear and tear. Now I improve the factory forging method described below. For the relevant units for reference.