(一)概论 在设计之前,应考虑的几个原则性问题: 1.首先应认真研究工件(床头箱体)的图纸、技术条件和床头箱总装图,以便明确各部分在整个机床中所应起的作用;其次是把工艺规程从头至尾熟悉一遍,特别是有关孔加工的一段,应深入研究;再次是对施工员提出的床头箱孔加工夹具车图进行 (A) Introduction Before designing, several principles should be considered: 1. First of all should carefully study the workpiece (bedside box) drawings, technical conditions and headboard assembly diagram, in order to identify the various parts of the machine tool Should play a role; followed by the process rules are familiar with it from start to finish, in particular, the hole processing section should be further study; again is the construction of the bedside box hole processing fixture car map