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一、前言我厂加工制造的湿式气缸套，其精磨上下腰带工序安排在M131磨床上加工，由于产量逐年增加，原磨床上的头架及工装夹具满足不了生产线的需要，为此我们设计并制造了新的磨床头架和工件夹具，满足了生产线的需要，同时又提高了质量。二、头架的结构及传动系统头架的结构
I. INTRODUCTION The wet cylinder liner machined and manufactured by our factory is processed by grinding the upper and lower belts on the M131 grinder. Due to the increasing output, the headstock and fixtures on the original grinder can not meet the needs of the production line. Therefore, we design and New grinder heads and workholding tools were manufactured to meet the needs of the production line while improving quality. Second, the structure of the first frame and transmission head rack structure