“轴承支架”零件的机械制造工艺与夹具设计[精品].doc

“轴承支架”零件的机械制造工艺与夹具设计 “轴承支架”零件 的机械制造工艺与夹具设计 摘要 现在机械加工行业发生着结构性变化，工艺工装的设计与改良已成为企业生存和发 展的必要条件，工艺工装的设计与改良直接影响加工产品的质量与性能。本文首先阐述 了轴承支架的作用和工艺分析，确定毛坯的制造形式和机械加工余量，绘制出零件的毛 坯图，然后根据零件图的工艺要求，确定各道工序切削用量及基本时间，最后对其中指 定的的一道工序进行专门的夹具设计。夹具设计中要充分考虑到装夹及加工的效率及经 济问题，尽可能采用标准件或通用设备，节省制造成本及时间，使整个工艺加工过程又 好又快的进行。  关键词：轴承支架；工艺分析；工艺规程设计；夹具设计 “轴承支架”零件的机械制造工艺与夹具设计 THE MACHIINING P ROCESS AND F IXTURE DESIGN OF TH E BEARING BRACKET ABSTRACT Mechanical processing industry is now undergoing structural changes, process design and improvement of equipment has become the necessary conditio n of the enterprise survival and development, it directly affect the quality and performance of processed products. This paper illustrates the role and process analysis of the Bearing Bracket, following determining the manufacture of blank forms and machining allowances, to map out parts of the blank forms, then determine the working procedures and basic cutting time based on technical requirements, and finally designs a special fixture for one designated process. Fixture design should fully take into account the clamping and processing efficiency and economic issues, as standard products or generic equipment, saving manufacturing costs and time to complete the entire process fast and well. Key words: bearing support; process analysis; process planning; fixture design 目录 “轴承支架”零件的机械制造工艺与夹具设计  1 2 3 绪论.........................................................................................................................................1 1.1 本设计的目的和意义....................................................................................................1 1.2 课题背景知识...............................................................................................................2 1.2.1 零件的作用.........................................................................................................2 1.2.2 机械制造工艺技术相关知识.............................................................................2 1.2.3 机床夹具设计基础知识...............