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利用车床攻丝效率不高,同时又要占用许多车床。我厂钳工唐大国、孙宗立两位老师傅,在红旗立功运动中,开动脑筋,利用废料制造一台攻丝机,如附图所示。这台攻丝机不仅可以攻螺纹,而且同时能去毛刺,操作简单,大约可提高效率7倍。如加工M10×1.5的螺母,过去钳工攻丝单件时间需要120秒,后改为车床攻丝单件时间需要60秒,现在用这台攻丝机攻丝单件时间只需要9秒。
The use of lathe tapping efficiency is not high, but also take up many lathes. I plant fitter Tang big country, Sun Zongli two old masters, meritorious service in the red flag, start their brains, the use of waste to create a tapping machine, as shown in the figure. This tapping machine can not only tap, but also deburring, simple operation, about 7 times to improve efficiency. Such as the processing of M10 × 1.5 nut, the past fitter tapping a single time of 120 seconds, the lathe after the change to a single piece of time takes 60 seconds, and now use this tapping machine single piece of time only 9 seconds.