文档介绍：、毛坯情况,确定工艺方案及加工路线1)对细长轴类零件,轴心线为工艺基准,用三爪自定心卡盘夹持φ58㎜外圆一头,使工件伸出卡盘175㎜,用顶尖顶持另一头,一次装夹完成粗精加工(注:切断时将顶尖退出)。2)工步顺序①粗车外圆。基本采用阶梯切削路线,粗车φ56㎜、SφS50㎜、φ36㎜、M30㎜各外圆段以及锥长为10㎜的圆锥段,留1㎜的余量。②自右向左精车各外圆面:螺纹段右倒角→切削螺纹段外圆φ30㎜→车锥长10㎜的圆锥→车φ36㎜圆柱段→车φ56㎜圆柱段。③车5㎜×φ26㎜螺纹退刀槽,倒螺纹段左倒角,车锥长10㎜的圆锥以及车5㎜×φ34㎜的槽。④车螺纹。⑤自右向左粗车R15㎜、R25㎜、Sφ50㎜、R15㎜各圆弧面及30°的圆锥面。⑥自右向左精车R15㎜、R25㎜、Sφ50㎜、R15㎜各圆弧面及30°的圆锥面。⑦切断。,选用经济型数控车床即可达到要求。故选用CK0630型数控卧式车床。***根据加工要求,选用三把***,T01为粗加工刀,选90°外圆车刀,T03为切槽刀,刀宽为3㎜,T05为螺纹刀。同时把三把刀在自动换刀刀架上安装好,且都对好刀,把它们的刀偏值输入相应的***参数中。、相关的手册并结合实际经验确定,详见加工程序。、对刀点和换刀点确定以工件左端面与轴心线的交点O为工件原点,建立XOZ工件坐标系。采用手动试切对刀方法(操作与上面数控车床的对刀方法相同)把点O作为对刀点。换刀点设置在工件坐标系下X70、Z30处。(该程序用于CK0630车床) 按该机床规定的指令代码和程序段格式,把加工零件的全部工艺过程编写成程序清单。该工件的加工程序如下:N0010G59X0Z195N0020G90N0030G92X70Z30N0040M03S450N0050M06T01N0060G00X57Z1N0070G01X57Z-170F80N0080G00X58Z1N0090G00X51Z1N0100G01X51Z-113F80N0110G00X52Z1N0120G91N0130G81P3N0140G00X-5Z0N0150G01X0Z-63F80N0160G00X0Z63N0170G80N0180G81P2N0190G00X-3Z0N0200G01X0Z-25F80N0210G00X0Z25N0220G80N0230G90N0240G00X31Z-25N0250G01X37Z-35F80N0260G00X37Z1N0270G00X23N0280G00X26Z1N0290G01X30Z-2F60N0300G01X30Z-25F60N0310G01X36Z-35F60N0320G01X36Z-63F60N0330G00X56Z-63N0340G01X56Z-170F60N0350G28N0360G29N0370M06T03N0380M03S400N0390G00X31Z-25N0400G01X26Z-25F40N0410G00X31Z-23N0420G01X26Z-23F40N0430G00X30Z-21N0440G01X26Z-23F40N0450G00X36Z-35N0460G01X26Z-25F40N0470G00