摘 要本次设计内容涉及了机械加工工艺及机床夹具设计、UG 运动仿真等多方面的知识。设计内容主要包括泵体零件的结构分析，工艺设计、工序阶段的划分，铣床专用夹具的设计，相关零部件的三维建模与装配，装配图的绘制及运动仿真等。齿轮泵体是组成机器的重要零部件，零件的加工质量将直接影响机器的性能、精度和寿命。因此本次任务是通过对零件结构进行具体分析，设计出合理的加工工艺方案及方便，高效的工装夹具，保证零件的加工质量。在设计夹具时须根据零件的结构尺寸及材料性质合理选择定位方式，定位元件与定位机构，及夹紧机构 。在其设计过程中三维辅助设计软件的运用是不可或缺的环节，UG 软件是现今最成功的 CAD/CAM 软件之一，可以进行建模、装配、运动仿真、模拟加工等，在现代的机械加工中有广泛的应用。本文利用 UG 软件对零件与夹具体进行模型设计、装配、运动分析，并把三维图形转换成二维工程图。关键词：工艺设计；铣床夹具；三维建模；运动仿真AbstractThis design content involves the machine manufacture craft,the engine jig design,the metal-cutting machine tool, the common difference coordination ,the survey and so on.The design content mainly includes structure analysis of parts,process design,the division of process stages,the special fixture design of milling machine,3d modeling,installation of related spare parts,the drawing of assembly drawings ,the motion simulation and so on.The gear pump is one of the important parts of machine ， parts processing quality will directly affect the performance, precision and the working hours of the machine.So this task is that we design a reasonable process scheme convenient and efficient jig by analyzing the specific parts structure to ensure the parts processing quality.We shall legitimately select positioning method ,positioning device and positioning mechanism according to the structure and the material properties when we design the fixture.In the process of design,the three-dimensional design software is an indispensable li...
