泵盖说明书.doc

设计题目：泵盖成型加工 专业 ：机电一体化技术 目 录 前言········································4 设计任务书··································4 建模····································6 1、1零件的建模过程··························6 二、零件的工艺性分析························14 2、1确定装夹方式···························14 2、2确定加工坐标系原点·····················14 2、3确定工步·······························14 三、创建操作·······························16 3、1进入加工模组设置初始化················16 3.1.2创建刀具······························17 3.1.3设置几何参数··························20 3.1.4选择零件几何··························22 3.1.5导入毛坯······························23 3.1.6设置工件······························24 3.1.7设置加工方法参数······················25 3.1.8设置粗加工方法参数····················26 3.1.9设置精加工方法参数····················26 3.1.10设置钻加工方法·······················27 3.1.11设置部件上所有孔的定位操作············27 四、零件的加工 4.1上表面的粗加工································28 4.2上表面的精加工································32 4.3点钻的创建··································· 35 4.4 Φ5孔的粗加工·································38 4.5 Φ5孔的精加工·································43 4.6 Φ7孔的粗加工································46 4.7 Φ7孔的精加工································49 4.8 Φ18孔的粗加工·······························51 4.9 Φ18孔的精加工································56 4.10 Φ14孔的加工·································59 五、后处理········································64 5.1 program 1···································64 5.2 program 2···································68 六、车间文档······································68 七、总结··········································72 参考文献··········································74 前言 泵盖的主要作用是密封、紧固。保证油泵正常工作，不漏油，不与齿轮轴打齿。 因此，泵盖要具有很好的伸缩性以及较好的对准性。该零件的工作表面主要是右端面、孔的定位以及配合问题。泵盖的加工工艺的可行性关于到该零件的质量以及生产成本问题。 设计任务书 1、总体介绍：设计包括CAD与CAM两大模块，重点在于CAM。 2、具体要求：根据平面图建模，并对该零件上所有能够铣、钻的表面进行加工。完成指定题目的设计后，要求每人编写说明书一份（包括封面、目录、设计任务书、正文、设计心得与体会、参考资料等七部分，可以打印）。同时上交电子稿与相应prt文件。正文题目完全。 、联系方式：手机：—YC面，点击确定。 1.4.3 绘制零件的外轮廓，由于是铸件且不是加工面，所以直接按照实际尺寸建模图，经拉伸后形成。 如下图： 1.4.5 建造高18mm的底面台阶 由于底面不需要加工，所以不设置余量，经外轮廓曲线偏置20mm后可得到下底面台阶的曲线，拉伸后