摘要 本次设计的主要内容是夹具设计，目的在于通过该课程设计，将所学理论与生产实践相结合，得到解决问题和分析问题能力的初步培养，另外为以后搞好设计、走上工作岗位进行一次综合训练。通过该课程设计，学生应在下述方面得到锻炼： 1.使学生具有制定工艺规程的初步能力。能综合运用 械制造技术基础和其他课程的基本理论和方法，正确的制定一个零件的机械加工工艺规程。 2.具有设计专用夹具的初步能力，提高结构设计能力。 3.结合工艺设计内容，能够熟练的应用工艺计算方法 正确的进行公义计算。 4.进一步提高查阅资料，熟练地使用设计手册、参考资 料等方面的能力。 5.通过设计的全过程，使学生学会进行工艺设计的程序 和方法，培养独立思考和独立工作的能力。 Abstract The curriculum desig
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ntly. 目录 1端盖的工艺性分析1 1.1端盖的用途1 1.2端盖的技术要求1 1.3审查端盖的工艺性1 2确定端盖的生产类型2 3确定毛坯、绘制毛坯件图2 3.1选择毛坯2 3.2确定毛坯的尺寸公差和机械加工余量2 3.2.1公差等级及尺寸公差2 3.2.2要求的机械加工余量2 3.3绘制端盖毛坯简图3 4拟定端盖工艺路线4 4.1定为基准的选择4 4.1.1精基准的选择4 4.1.2粗基准的选择4 4.2表面加工方法的确定4 4.3加工阶段的划分5 4.4工序的集中与分散6 4.5工序顺序的安排6 4.6确定工艺路线6 5加工余量、工序尺寸和公差的确定7 5.1工序1、工序4和工序7----加工端盖两端面之设计尺寸的加工余量、工序尺寸和公差的确定。 7 5.2工序12的设计尺寸的加工余量、工序尺寸和公差的确定9 6切削用量的计算9 6.1工序1-----粗车端盖左端面9 6.2工序4-----粗车端盖右端面10 6.3工序7-----精车端盖左端面10 6.4工序12---粗铣左端槽10 7.专用铣床铣槽工序专用夹具设计11 7.1定位方案11 7.2夹紧机构11 7.3对刀装置11 7.4夹具与机床连接元件11 7.5夹具体11 参考文献12