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训练题目：复合零件的加工一、图样与技术要求零件立体图零件图训练要点：1.能够编制平面铣削程序2.能够编制含直线插补、圆弧插补二维轮廓的加工程序3.能够宏程序编制椭圆程序二、工艺规程设计1．刀具及切削参数选择选择合理的刀具加工参数，对于金属切削加工能取到事半功倍的效果。根据加工对象的材质，刀具的材质和规格，从金属切削参数书籍中查找刀具线速度、单刃切削量，确定选用刀具的转速、进给速度，参考切削参数如表1－1：表1－12．工艺规程安排如下：（工艺路线）从图纸分析，零件加工第一次装夹，夹持75mm的外形加工720-0.04x720-0.04mm方，深10+0.040mm椭圆与圆相接的外轮廓，深8+0.040mm的两个小突台，深9+0.040mmø20+0.040mm的圆槽，深5+0.040mm的三个扇形内轮廓和ø12+0.040mm的通孔。零件加工第二次装夹，夹持72mm的外形加工薄壁轮廓外侧深5+0.040mm，薄壁轮廓内侧8+0.040mm，ø600-0.04mm的外圆深9+0.040mm，深12+0.040mm600-0.04x600-0.04mm方和薄壁轮廓内侧深10+0.040mm的槽，及2-ø12深10+0.040mm的两个圆槽。表1－2零件加工工艺卡刀具切削速度v（mm/min）每刃进给量f（mm/刃）主轴转速S（r/min）进给速度F（mm/min）备注ø12mm立铣刀600.051600200粗加工ø8mm立铣刀300.051200240粗加工600.052400300精加工单位产品名称及型号零件名称零件图号高级零件程序编号夹具名称使用设备工件材料O0001,O002,O0003虎钳VMC-850硬铝工序号工步号工步内容刀具号刀具规格(mm)长度补长号H半径补偿号D切削用量备注主轴转速S(r/min)进给速度F(mm/min)11铣平面T1Ø12H01D011600200装夹工件，设G54，X、Y设置在工件中心，Z设置在工件上表面5粗铣720-0.04x720-0.04mm方T1ø12H01D016001206粗铣深10+0.040mm椭圆与圆相接的外轮廓T1ø12H01D016001207粗铣深8+0.040mm的两个小突台T1ø12H01D016001208粗铣深9+0.040mmø20+0.040mm的圆槽T1ø12H01D016001209粗铣深5+0.040mm的三个扇形内轮廓T2ø8H02D02120024010粗铣ø12+0.040mm的通孔T2ø8H02D02120024011精铣720-0.04x720-0.04mm方T2ø8H02D02240030012精铣深10+0.040mm椭圆与圆相接的外轮廓T2ø8H02D02240030013精铣深8+0.040mm的两个小突台T2ø8H02D02240030014精铣深9+0.040mmø20+0.040mm的圆槽T2ø8H02D02240030015精铣深5+0.040mm的三个扇形内轮廓T2ø8H02D02240030016精铣ø12+0.040mm的通孔T2ø8H02D02240030017去毛刺18检验219调头装夹工件，铣平面，保证280.1-0.1mm尺寸T1Ø12H01D01160020020设G54，X、Y设置在ø12+0.040孔中心，Z设置在工件上表面21粗铣薄壁轮廓外侧深5+0.040mmT1Ø12H01D01160020022粗铣薄壁轮廓内侧8+0.040mmT1Ø12H01D01160020023粗铣ø600-0.04mm的外圆深9+0.040mmT1Ø12H01D01160020024粗铣深12+0.040mm600-0.04x600-0.04mm方T1Ø12H01D011600200三、参考程序表2－2零件加工程序加工简图程序说明25粗铣薄壁轮廓内侧深10+0.040mm的槽T2ø8H02D021200240T226粗铣2-ø12深10+0.040mm圆槽T2ø8H02D021200240T227精铣薄壁轮廓外侧深5+0.040mmT2ø8H02D022400300T228精铣薄壁轮廓内侧8+0.040mmT2ø8H02D022400300T229精铣ø600-0.04mm的外圆深9+0.040mmT2ø8H02D022400300T230精铣深12+0.040mm600-0.04x600-0.04mm方T2ø8H02D022400300T231精铣薄壁轮廓内侧深10+0.040mm的槽T2ø8H02D022400300T232精铣2-ø12深10+0.040mm圆槽T2ø8H02D022400300T233去毛刺34检验%001S1600M03G91G01X-90F200Y10X90Y10M99%0002G90G54G0X0.Y-29.S600M3G43H1Z100.Z5.M8X50Y50GO1Z-15F120G01X36G41D01F200G01Y-36C2X-36C2Y36C2X36C2Y0X50G40G00Z50M30%003G90G54G00X0.0Y0.0S1200M03G43Z50H01Z5M08#1=40#2=25#3=180#4=1X50Y50G01Z-8F100G01X25G41D01Y-10G02X-25Y-10I-25WHILE[#3LE360]#5=#1*COS[#3*PI/180]#6=#2*SIN[#3*PI/180]GO1X[#6]Y[#5]F240#3=#3+#4ENDWG00Z50X50G40M30ø12立铣刀D01=6.2铣平面ø12立铣刀D01=6.2/6.02粗、精铣720-0.04x720-0.04mm方ø12立铣刀D01=6.2/6.02粗、精铣椭圆凸台粗铣40x25mm半椭圆凸台给变量#1赋值，定义椭圆长轴给变量#2赋值，定义椭圆短轴给变量#3赋值，定义初始角度给变量#3赋值，定义步距角增量%004G90G0G54X50Y50S1200M3G43H2Z50.Z0.G1Z-8F150.G1X36G41D02Y24X31X26Y33X36Y20X50G40G0Z50.X-50Y50G1Z-8F150.G1X-36G41D01Y24X-31X-26Y33X-36Y20X-50G0Z50.Y50G40X0Y0G01Z-12F100G01X10G41D01G03I-10G01X0G40G00Z50X0Y0G01Z-20F100G01X6G41D01G03I-6G01X0G40G00Z50M5M30%005G90G54G00X0.0Y0.0S1200M03G43Z50H01Z5X30Y30GO1Z-15F300G01X17.9G41D01F150ø12立铣刀D01=6.2/6.02粗、精铣左上角、右上角凸台及中心圆孔Y14Y8X14X7.1X4Y14X7.5Y20X14.4X17.9Y14Y0X30G40G00Z50.Z5.M8X-30Y30GO1Z-15F300G01X-17.9G41D02F240Y14Y8X-14X-7.1X-4Y14X-7.5Y20X-14.4X-17.9Y14Y0X-30G40G00Z50M30%006G0G90G54X0Y0S1200M3G43H2Z50z5G01Z-10F100G2X-3.8567Y4.5963R4.G3X-5.9088Y1.0419R6.G2X-10.5427Y-2.2027R4.G1X-15.3017Y-1.3636G3X-15.7323Y-1.493R.5G3X-15.8849Y-1.9159R.5X-9.6016Y-12.7988R16.X-8.8317Y-12.5698R.5G1X-7.179Y-8.0288G2X-2.0521Y-5.6382R4.G3X2.0521R6.G2X7.179Y-8.0288R4G1X8.8317Y-12.5698G3X9.6016Y-12.7988R.5X15.8849Y-1.9159R16.X15.3017Y-1.3636R.5Ø8立铣刀D02=4.2/4.02粗铣深5+0.040mm的三个扇形内轮廓G1X10.5427Y-2.2027G2X5.9088Y1.0419R4.G3X3.8567Y4.5963R6.G2X3.3637Y10.2316R4.G1X6.4699Y13.9334G3X6.2832Y14.7147R.5X-6.2832R16.X-6.4699Y13.9334R.5G1X-3.3637Y10.2316G2X-3.8567Y4.5963R4.G3X-5.9088Y1.0419R6.G2X-10.5427Y-2.2027R4.G1X-15.3017Y-1.3636G3X-15.7323Y-1.493R.5G1Z50F300.M5M30G03X0Y-20.5R44.5G00Z50G01X0Y0G40M30加工简图程序说明%007G0G90G54X-50.Y-8.S2000M5G43H1Z50Z5G1Z-9.F50G01X-42.G41D02F100G3X-34.Y0.R8.G2I34.G3X-42.Y8.R8.G1X-50.G0Z50XOY0G40Ø8立铣刀D01=4.2/4.02圆形凸台及槽内两孔X1Y18G01Z-15F100G01X7G41D01G03I-6G01X1G40G00Z50X-18Y-1G01Z-15F100G01X-12G41D01G03I-6G01X-18G40G00Z50M5M30%008G0G90G54X-19.5825Y-15.453S1200M3G43H1Z50.Z5G1Z-5F150.G3X-10Y-14.R8.F100.G1X-1Y-5G41D01G2X15Y-5R12.G3X23Y-1R5.X-1Y23R23.X-5Y15R5.G2X-5Y-1R12.G1X-23Y-18G2X-29Y-18R4.X-31Y-15R34.X-30Y-10R4G1X-13Y6.4162G3X-13Y8R1.G2X-2Y34R16.X34Y-2R34.X8Y-13.32R16.G3X6.4162Y-13.3828R1.G1X-10.1005Y-30G2X-15Y-31R4.X-18Y-29R34.X-18Y-23R4.G1X-10Y-14.G3X-8Y-4R8G0Z50.M5M30ø12立铣刀D01=6.2/6.02铣杯形凸台%0010G0G90G54X20.5Y-50.S1200M03G43H1Z50Z5G1Z-12F150Y-42.F150G41D01G3X12.5Y-34.R8.G1X0.G2X-34.Y0.R34.G1Y25.G2X-25.Y34.R9.G1X0.G2X34.Y0.R34.G1Y-25.G2X25.Y-34.R9.G1X12.5G3X4.5Y-42.R8.G1Y-50.Z.1F0.G0Z50M5M30ø12立铣刀D01=6.2/6.02铣第三层（凸台）四、零件关键尺寸测量１．检验740-0.046x740-0.046mm尺寸，检查表面粗糙度R3.2用0.01精度的千分尺进行测量,根据测量结果和被测尺寸的公差要求判断是否合格。检查表面粗糙度，用表面粗糙度比较样本进行比较验定。２．检验深8+0.040mm的两个小突台尺寸，检查表面粗糙度R3.2用0.01精度的千分尺进行测量，根据测量结果和被测尺寸的公差要求判断是否合格。检查表面粗糙度，用表面粗糙度比较样本进行比较验定。３．检验ø20+0.040mm的圆槽尺寸，检查表面粗糙度R3.2用0.01精度的内径千分尺沿被测尺寸的三个素线方向进行测量，根据测量结果和被测尺寸的公差要求判断是否合格。检查表面粗糙度，用表面粗糙度比较样本进行比较验定。４．检验ø12+0.040mm的通孔，检查表面粗糙度R3.2用0.01精度的内径千分尺沿被测尺寸的三个素线方向进行测量，根据测量结果和被测尺寸的公差要求判断是否合格。检查表面粗糙度，用表面粗糙度比较样本进行比较验定。５．检验ø600-0.04mm的外圆尺寸