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在对工程机械箱体类工件进行机加工时,需先将工件放置在机床加工平台的夹具上,再进行定位调整。若工件刚度不足或摆放不平稳,需使用辅助支承提高工件的安装刚度和稳定性。辅助支承只在工件锁紧时起支承作用,不可用于工件的定位调整。在完成工件加工后,辅助支承需具有退回或松开功能。本文介绍辅助支承基本类型、存在问题及改进方法。
In the construction machinery box-type workpiece for machining, the first need to be placed on the workpiece machining platform fixture, and then adjust the positioning. If the workpiece stiffness is not enough or placed is not smooth, you need to use auxiliary support to improve the mounting rigidity and stability of the workpiece. Auxiliary support only play a supporting role in locking the workpiece can not be used for the positioning of the workpiece adjustment. After the completion of the workpiece processing, auxiliary support need to have a return or release function. This article describes the basic types of support, problems and improvements.