轴类零件的加工及工艺分析.docVIP

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2019-09-09 发布于江西
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轴类零件的加工及工艺分析.doc

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PAGE PAGE 31 目录第一章数控机床的产生与发展······················································· 4 1.1数控车床的发展趋势·························································· 4 第二章零件的工艺分析···································································· 5 2.1 零件的用途·········································································· 5 2.2零件图的工艺分析······························································ 5 2.3零件的表面粗糙度····························································· 6 2.4零件的尺寸精度·································································· 6 第三章零件加工过程········································································· 6 3.1正确选择工件坐标原点······················································· 7 3.2确定对刀点、换刀点及刀点位置······································ 7 第四章制定数控车削加工工艺方案················································ 8 4.1 加工工序的划分···································································· 8 4.2. 加工顺序的确定····································································· 10 4.3 加工路线的确定····································································· 10 第五章工具的选择··············································································· 11 5.1 毛坯的选择·············································································· 11 5.2 机床的选择·············································································· 11 5.3 刀具的选择·············································································· 13 5.4 量具的选择··············································································· 14 5.5 夹具的选择··············································································· 15 第六章切削参数的确定········································································· 15 6.1 确定主轴转速·············································································· 15 6.2 确定进给速度·············································································· 16 6.3 切削用量的确定·····························