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我校承接国外进口舰艇调速器8头蜗杆的研制,精度等级为6级。其工作图、精度要求见图1。该蜗杆加工的技术关键是如何保证对齿形误差、
Our school to undertake the import of foreign ships governor 8-worm development, accuracy level of 6. Its work plans, precision requirements shown in Figure 1. The worm is the key technology to ensure that the tooth-shaped error,