机械5

【摘要】： 变速叉行业是我们通用机械重要分支，无论是在工业还农业中，只要有流体管道的地方,阀门的作用都是巨大的，而随着时代的发展，变速叉的类型也发展的越来越全面，制造变速叉的技术也越来越先进。本文一例变速叉零件数控车床加工的程序编制与步骤，加工工艺的选择问题进行探讨。进行整套的工艺分析与计算，按工艺程序卡进行编程与加工。 【关键词】：变速叉数控加工工艺?数控铣床 [ Abstract ]: Dials forks the professio
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ne 目录 一摘要…………………………....1 二零件的分析…………………………3 （一）零件的作用…………………....3 （二）零件的工艺分析………………....5 三工艺规程的设计………………………5 （一）确定毛坯的制造形式……………….5 （二）基面的选择…………………....5 （三）制定工艺路线………………….5 （四）机械加工余量工序尺寸及毛坯尺寸的确定...7 （五）确立切削用量及基本工时…………..9 四夹具设计……………………...…...15 （六）问题的提出……………………15 （七）夹具设计…………………….15 五参考文献………………………….18