【摘要】 针对大鹤管筒体壁薄、筒长、直径较大、制造精度要求高的特点 ,阐述了加工工艺 ,并对关键工序进行了深入的论述 ,对加工此类零件具有指导意义更多还原

【Abstract】 In view of the features of long tube,thin wall,major diameter and high manufacturing precision of the big diameter liquid loading & unloading arms,the processing technology is expounded and the essential process is discussed in detail,this approach benefits the processing of such kind of parts.更多还原