西门子802D系统螺纹加工

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、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。,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,X,Z,0,X,Z,G00X21Z6G01X19G33X19Z-20K2SF=0G00X21G00Z6G01X19.5G33X19.5Z-20K2SF=0G00X21G00Z6G01X18G33X18Z-20K2SF=0G00X21G00Z6,0,G00X21Z6,G01X19,G33X19Z-20K2SF=0,G00X21,G00Z6,Z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CYCLE97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）,APP,ROP,X,Z,PLAY,CYCLE97(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),PIT,X,Z,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),X,Z,DM1,DM2,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),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。,IANG,3,IANG=3/2,3,“+”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。,NSP,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),X,Z,MPIT,CYCLE97(,30,0.0,-13.0,29.8,29.8,5.0,2,1.3,0.0,30.0,0.0,10,1,3,1),O,X,Z,SPL,FPL,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),O,X,Z,TDEP,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),O,H,P,60,H/4,H/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0.616p,h1=0.541P=5/8H；1/8H=0.108Ph2=0.757P=7/8H；,h1,h2,NRC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。,X,Z,FAL,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),O,VARI定义螺纹加工类型1.4,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),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),O,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),O,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),O,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,工艺分析：1、车削外圆。2、车削外螺纹。3、切断,要求：锐角倒钝,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G90G00X42Z2,CYCLE95(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G90G0X150Z200M5M9M0,T2D1M03S300M7;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)G90G0X150Z200M05M9M0,T2D1M03S500M7;割刀G90G0X42Z2G1Z-55F8G1X34F0.08x38.5F2Z-54X36Z-55F0.04X3.0G1X100F2M9G74X0Z0M5T1M30,TOP:G90G1X0Z0 x26X29.8Z-2z-10X26Z-12Z-22.775G02x30.776z-28.041CR=7G01Z-48.0X38z-60END:,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112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,SPL,FPL,PIT,FAL,APP,DM,DM,ROP,X,Z,目标：引用固定循环指令，进行外轮廓、螺纹、切削加工,24,用于G04之后,代码,功能,说明,代码,说明,G54,G0,G1,G2,G3,G4,G90,G91,G94,G95,M3,M5,M7,M9,M30,S*,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/r,DIAMON,DIAMOF,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,N0075M5T1D1M9,N0005G94G90G54T1d1M07M03S600,N0010G00X24Z0,N0015G04F3,N0020G01X0Z0F60,N0025G03X12Z-14.52CR=8.5,N0030G02X12Z-23.52CR=9,N0035G01X15Z-36,N0040G01X18,N0045G01Z-42,N0050G00X100Z100,N0055T3D1S400,N0060G00X40Z-46,N0065G01X0F30,N0070G74X0Z0,N0080M30,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