工程机械的结构件钻孔加工时常常需要用钻孔夹具定位以获得准确的中心孔,技术人员在设计钻孔定位夹具时既可以选择钻模也可以选择划线样板,笔者作为工装设计人员结合自身十多年的工作经验,对钻孔夹具的设计方法、使用范围、设计技巧等方面进行了简单的介绍,基本上解决了日常钻孔定位夹具设计中遇到的问题。 Structural parts of construction machinery drilling process often need to use drilling fixture positioning to obtain accurate center hole, technicians in the design of drilling positioning fixture can choose either drilling model can also select the scribe model, the author as a tooling designer combination With more than 10 years of working experience, this paper briefly introduces the design methods, application range and design skills of drilling fixtures, which basically solves the problems encountered in the design of fixtures for daily drilling fixtures.