1、 本本 科科 毕毕 业业 设设 计计 题目题目X-95 连杆盖粗铣结合面夹具设计 系系 别别 工程技术系 专专 业业 机械设计制造及其自动化 学生姓名学生姓名 学学 号号 指导教师指导教师 职职 称称 教 授 2014 年年 4 月月 25 日日 摘 要 本毕业设计课题是 X-95 连杆盖粗铣结合面夹具设计， 目的是希望能在降低产品的生产 成本的同时又可以制造出品质优良的产品，在最少的工序或加工时间中制造出满足形状、 尺寸、精度、表面粗糙度等要求的产品。设计应在保证加工精度的同时，又利用工件装卸 的合理夹具结构，并有一定实用价值。由于理论知识与实践经验的有限。我将考虑采用普 遍性强的加工方法，
2、但该零件的机械加工工艺规程可以适当采用较为先进的制造工艺方法 和专用机床设备，刀具和量具。本课题的主要内容是分析零件的技术条件画出零件图及毛 坯图。拟定合理的工艺路线，粗镗大头孔夹具草图及夹具图。本设计采用了连杆体与连杆 盖分离锻造，并制定相对合理的工艺路线。在夹具设计部分，以大小头孔端面、大头孔工 艺凸台及小头孔为定位基准，符合定位原理并达到定位目的，夹紧机构则采用螺旋夹紧机 构，亦即达到夹紧效果。 关键词关键词: : 连杆；工艺规程；夹具设计；CAD 图 Abstract The graduation design topic is X-95 connecting rod cap bind
3、ing surface rough milling fixture design, want to reduce production cost in the also can produce good quality products at least, the process of manufacturing and processing time meet the shape, size, accuracy and surface roughness and requirements of the product. Design should guarantee the machinin
4、g accuracy of workpiece loading and unloading, and use of reasonable fixture structure, and has certain practical value. Due to the theoretical knowledge and practical experience. I will consider using universal stronger processing method, but the machining procedure can appropriate USES advanced ma
5、nufacturing technology and special machine equipment, tools and measuring tool. The main content of this project is to analyze the technical conditions of the parts and painted parts blank. The plan was reasonable process route, big hole clamp sketches and boring fixture. This design USES the connec
6、ting rod body and connecting separated, and formulate relative reasonable forging process. In part, the size of fixture design with head big hole hole surface, small head for convex and locating datum, and achieve the goal orientation positioning principle, clamping mechanism using spiral clamping institutions, i.e. reached clamping effect. Key words: Connecting rod, Procedure, Fixture design, CAD drawings 目 录 1 引 言 1 2 加工零件 2 2.1 零件的功用
