各专业全套设计 目录 1零件的分析及生产类型的确定..................5 拨叉的用途.............................5 拨叉的技术要求.........................5 审查拨叉的工艺性.......................5 确定拨叉生产类型.......................6 2确定毛坯、绘制毛坯简图................... ..7 : ...........................7 ..................7: 3拟定拨叉工艺路线............................8 ..........................8 ......................8 .............................8 ...........................9 .............................9 .............................10 4机床设备及工艺装备的选用...................11 .............................11 .........................11 5加工余量、工序尺寸和公差的确定.............12 .........................12 ...........................11 6切削用量、时间定额的计算...................13 切削用量的计算........................13 .........................15 7 夹具设计....................................19 ..............................19 .............................19 ................19 全套图纸,加153893706 摘要 我们国家正在不断地改变拨叉的传统加工方法,加快提高拨叉的加工水平,不断缩小同先进汽车生产的差距越来越小,不断加强了整体的生产水平。 课程设计使我们学完了大学的全部基础课、,课程设计是在我们学完了大学的全部基础课、,也是一次理论联系实际的训练,因此,它在我们四年的大学生活中占有重要的地位。 就我个人而言,我希望能通过这次课程设计对自己未来将从事的工作进行一次适应性训练,从中锻炼自己分析问题、解决问题的能力,为今后参加祖国的“四化”建设打下一个良好的基础。 关键词: 拔叉;工艺规格设计;定位夹紧;夹具设计 Abstract Our country is constantly changing Bocha the traditional processing methods to speed up the processing Bocha raise the level, with the advanced vehicle continued to narrow the gap between the producing countries, production plant with the world's advanced level of production Bocha the growing gap between the small, and constantly strengthen the overall The level of production. Design so that we end the University of the full basic course, technology and the most basic co