西门子802D系统螺纹加工

2006年5月第四节引用固定循环指令进行外螺纹切削加工4.1内容回顾4.2本节目标4.3螺纹切削循环指令CYCLE974.4实例加工内容回顾已经学习过的内容：常用的Ｇ、Ｍ、Ｓ、Ｔ指令功能，机床对刀，换刀，刀具补偿，G54的设定，手工计算分层加工车需毛坯外轮廓，cycle95固定循环车削毛坯轮廓，G33恒螺距螺纹切削经典内容展示本节目标掌握固定循环车削螺纹的方法，以及与手工分层加工的对比。优点：1、可以节省编程时间2、方便程序修改3、加工复杂罗纹注意点：参数较多（16个参数），注重理解性记忆。Ｇ３３指令复习程序段格式：G33XZKSF=；XZ＿中点坐标SF为起始点偏移(起始点偏移量，单位度)K为螺距要点：注意起始点，终止点的设定G33指令编程口诀：进进退退去一层。纵向起始点纵向终止点XZ0XZG00X21Z6G01X19G33X19Z-20K2SF=0G00X21G00Z6G01X19.5G33X19.5Z-20K2SF=0G00X21G00Z6G01X18G33X18Z-20K2SF=0G00X21G00Z60G00X21Z6G01X19G33X19Z-20K2SF=0G00X21G00Z6Z向起始点Z向终止点G33指令编程口诀：进进退退去一层。G33XZKSF=3.4螺纹切削循环指令CYCLE97Ｇ３３指令复习CYCLE97(PIT,MPIT,SPL,FPL,DM1,DM2,APP,ROP,TDEP,FAL,IANG,NSP,NRC,NID,VARI,NUMT)PIT螺距MPIT螺纹大径尺寸SPL螺纹起始点在纵向车的位置FPL螺纹终止点在纵向车的位置DM1起始点螺纹直径；DM2终止点螺纹直径APP空刀导入量；ROP空刀退出量TDEP螺纹深度；FAL精加工余量IANG切入进给角范围值：“+”侧面进给“-”交互侧面进给NRC粗加工切削数量NID停顿数量VARI定义螺纹加工类型1…….4NSP首圈螺纹的起始点偏移NUMT螺纹起始数量（无符号输入）APPROPXZPLAYCYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2.0,1.3,0.0,30.0,0.0,10,1,3,1)PITXZCYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)XZDM1DM2CYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)IANG使用参数IANG，可以定义螺纹的切入角。如果要以合适的角度切削，此参数应为零。如果要沿侧面切削，此参数应设为刀具尖角的一半值。3IANG=3/23“+”沿一侧进给“-”两侧依次进给进给的执行是通过参数的符号设定的。如果是正值，进给始终在同一侧面执行，如果是负号，在两个侧面分别执行。这种定义只适用圆螺纹。NSP（起始点偏移）和NUMTNSP称为螺纹起始点偏移，可以使用数值在0到+359.9999度之间。如果没有定义这项或者数没有出现在参数列表中，螺纹起始点则自动在零度标号处。NUMT为螺纹的线数。零度标号1。螺纹圈开始2。螺纹圈开始3。螺纹圈开始4。螺纹圈开始NUMT=4使用NUMT可以定义多线螺纹。NSP可以定义不对称螺纹的多线螺纹，但是在编程起始点偏移时必须调用每个螺纹的循环。CYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.02,30.0,0.0,10,1,3,1)XZMPITCYCLE97(,30,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)OXZSPLFPLCYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)OXZTDEPCYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)OHP60H/4H/8螺纹轴线公称直径外螺纹中径h1：为理论螺纹深度h2：为CYCLE97循环加工方法的理论螺纹深度由于存在装刀误差以及刀具本身误差，CYCLE97循环加工方法的实际螺纹深度建议取0.616p320.866HPPh1=0.541P=5/8H；1/8H=0.108Ph2=0.757P=7/8H；h1h2NRC粗加工切削数量粗加工切削数量：是去除精加工余量之后的部分材料，应当在多少次车削后去除掉。XZFALCYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)OVARI定义螺纹加工类型1…….4值外部/内部恒定进给/恒定切削面积1A恒定进给2I恒定进给3A恒定切削面积4I恒定切削面积使用恒定深度进给使用恒定切削面积CYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)XZFALCYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.02,30.0,0.0,10,1,3,1)OXZ运动示意图CYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1)OXZ运动示意图CYCLE97(2.0,0.0,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,-30.0,0.0,10,1,3,1)OXZ通规螺纹止规螺纹不通！调整参数继续通了一点！继续调整参数通了！请测试止规止规检验螺纹合格了！运动示意图螺纹修正过程O程序套用T1D1M03S300M7;准备螺纹加工G90G1X32Z5F8；快速定位到准备加工区域CYCLE97(1.5,0,0,-13.0,26.7,26.7,5.0,2.0,0.925,0.02,30.0,0.0,10,3,3,1)；螺纹加工参数G90G0X150Z200；退刀M05M9M30螺纹修正3.5实例加工毛坯尺寸加工时25分钟毛坯材料12铝割槽刀3刀具类型螺纹刀外形刀刀号工艺分析：1、车削外圆。2、车削外螺纹。3、切断要求：锐角倒钝380-0.1240-0.11.545°26.70.1实例编程加工步骤：1、粗，精车削外轮廓。2、车削外轮廓。3、粗，精车削外螺纹。4、切断。%_N_TAN_MPF;$PATH=/_N_MPF_DIRG54G95T1D1M3S800M7;粗车削外轮廓G90G00X42Z2CYCLE95(TOP:END,2.0,0.1,0.2,,0.12,0.1,0.06,1,1,10,1)；含义G90G0X150Z200M05M9M0M3S500M7G0X42Z2CYCLE95(“TOP:END”,,,,,,,0.1,5,,,)；精车削外圆G90G0X150Z200M5M9M0T2D1M03S300M7;螺纹加工G90G1X32Z5F8CYCLE97(1.5,0,0,-13.0,26.7,26.7,5.0,2.0,0.925,0.02,30.0,0.0,10,3,3,1)；含义G90G0X150Z200M05M9M0;CYCLE97(螺距,螺纹大径，Z起始点，Z终止点，起始点螺纹直径，终止点螺纹直径，空刀导入量，空刀退出量，螺纹深度，经加工余量，切入角，起始点偏移，粗加工次数，停顿次数，加工类型，螺纹线数)T1D1M03S300M7;螺纹调整加工G90G1X32Z5F8CYCLE97(2.0,0.0,0.0,-13.0,26.7,26.7,5.0,2,0.925,0.0,30.0,0.0,2,1,3,1)G90G0X150Z200M05M9M0T2D1M03S500M7;割刀G90G0X42Z2G1Z-55F8G1X34F0.08x38.5F2Z-54X36Z-55F0.04X3.0G1X100F2M9G74X0Z0M5T1M30380-0.1240-0.11.545°26.70.1TOP:G90G1X0Z0x26X29.8Z-2z-10X26Z-12Z-22.775G02x30.776z-28.041CR=7G01Z-48.0X38z-60END:380-0.1240-0.11.545°26.70.1轮廓加工指令CYCLE95CYCLE95（NPP,MID,FALZ,FALX,FAL,FF1,FF2,FF3,VARI,DT,DAM,_VRT）NPP------轮廓子程序名称（＊．SPF）或起始和结束的标志MID------粗加工的进给深度。（无符号，半径量）FALZ------在纵向轴的加工余量方向；(无符号，半径量)FALX------在纵向轴的加工余量方向方向；(无符号，半径量)FF1------粗加工进给率FF2------进入凹凸槽进给率FF3------精加工进给率VARI------加工类型1~12种DT------粗加工时断屑的停顿时间（单位：秒）DAM------粗加工因断屑而中断时所加工的长度VRT------粗加工时从轮廓退回的行程（增量，无符号）螺纹切削循环CYCLE97(PIT,MPIT,SPL,FPL,DM1,DM2,APP,ROP,TDEP,FAL,IANG,NSP,NRC,NID,VARI,NUMT)PIT螺距MPIT螺纹大径尺寸SPL螺纹起始点在纵向车的位置FPL螺纹终止点在纵向车的位置DM1起始点螺纹直径；DM2终止点螺纹直径APP空刀导入量；ROP空刀退出量TDEP螺纹深度；FAL精加工余量IANG切入进给角范围值：“+”侧面进给“-”交互侧面进给NSP首圈螺纹的起始点偏移NRC粗加工切削数量NID停顿数量VARI定义螺纹加工类型1…….4NUMT螺纹起始数量（无符号输入）理想状态下二维视角加工理想状态下三维视角加工讲解结束课件制作：谭洪SPLFPLPITFALAPPDMDMROPXZ毛坯尺寸加工时25分钟毛坯材料12铝割槽刀3刀具类型螺纹刀外形刀刀号目标：引用固定循环指令，进行外轮廓、螺纹、切削加工24380-0.1240-0.11.545°26.70.1用于G04之后代码功能说明代码说明G54G0G1G2G3G4G90G91G94G95M3M5M7M9M30S**F**零点偏置快速点定位直线插补顺圆插补逆圆插补程序延时、暂停绝对坐标编程增量坐标编程进给速度编程进给量编程主轴正转主轴停转冷却液开冷却液关程序运动结束选择刀具转速功能进给速度延时时间单位：秒(S)用于换刀无级变速G0/G1/G2/G3单位：mm/min单位：mm/rDIAMONDIAMOF直径量编程半径量编程3.1内容回顾T*功能G74回参考点G33恒螺距的螺纹切削6、典型轴类零件编程N0075M5T1D1M9N0005G94G90G54T1d1M07M03S600N0010G00X24Z0N0015G04F3N0020G01X0Z0F60N0025G03X12Z-14.52CR=8.5N0030G02X12Z-23.52CR=9N0035G01X15Z-36N0040G01X18N0045G01Z-42N0050G00X100Z100N0055T3D1S400N0060G00X40Z-46N0065G01X0F30N0070G74X0Z0N0080M30设换刀点（100，100）内容回顾分层切削轨迹内容回顾精加工轨迹内容回顾恒螺距螺纹切削：（G33）程序段格式：G33XZKSF=；XZ＿螺纹终止点坐标SF为起始点偏移(起始点偏移量，单位度)K为螺距圆柱螺纹圆锥螺纹外螺纹/内螺纹单头螺纹和多头螺纹多段连续螺纹内容回顾刀具使用方法1.外圆车刀（设定G54，手工计算分层切削）2.切槽刀（切槽方法，反向倒角，切断）3.外螺纹刀（借刀法切削螺纹）内容回顾仿真加工手工计算分层加工毛坯外轮廓、槽、以及螺纹。内容回顾螺距,螺纹大径Z起始点0，Z终止点