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我厂因零件小且批量很大.攻丝机每天工作时间长,导致轴套4与上、下皮带轮3和5的接触处(图1)剧烈磨损,使两轴颈磨损成椭
Due to the small parts and large quantities of the parts, the tapping machine works for a long time each day, resulting in severe wear on the contact between the sleeve 4 and the upper and lower pulleys 3 and 5 (Figure 1)