立铣刀开粗 球刀精加工 西门子螺旋铣削凸凹圆角的宏程序

下图零件需要螺旋铣削圆柱凸台的上凸圆角和下凹圆角。

使用西门子数控宏程序编写粗加工程序如下：

T8M6;D10立铣刀粗加工

G90G54G40G1Z100F1000M03S1500

X55Y0

Z5

G1Z0F500

R21=35;圆柱半径

R22=3;上凸圆角半径

R23=5;螺旋线递进角度

R16=R21-R22;凸圆角圆心处半径

R1=0;螺旋线初始角度

R11=90;倒圆角初始截面角度

R9=0;螺旋线极半径

R20=30;螺旋线圈数=切削圆角的圈数

WHILER1=-360*R20

R24=R16+R22*COS(R11)+5.1

R7=(R16+R22*COS(R11)+5.1)*COS(R1)

R8=(R16+R22*COS(R11)+5.1)*SIN(R1)

R9=-R22+R22*SIN(R11)

G2X=R7Y=R8Z=R9CR=R24F200

R1=R1-R23

R11=R11-(90/R20)/(360/R23)

R16=35+5.1;圆柱外圆半径加0.1余量

R1=0;螺旋线初始角度

R2=3;凸圆角半径

R20=1;螺距=深度每圈间距

R21=5;螺旋线角度递进

WHILER9=-10

R7=R16*COS(R1)

R8=R16*SIN(R1)

R9=-R2+R1*R20/360

G2X=R7Y=R8Z=R9CR=R16F200

R1=R1-R21

G2X=R16Y0I=-R16

R21=35;圆柱半径

R22=5;凹圆角半径

R23=5;螺旋线递进角度

R16=R21+R22;凹圆弧圆心处半径

R1=0;螺旋线初始角度

R11=0;凹圆弧截面初始角度

R9=0;螺旋线起始点高度

R20=30;螺旋线圈数=切削圆角的圈数

WHILER1=-360*R20

R24=R16-R22*COS(R11)+5.1

R7=(R16-R22*COS(R11)+5.1)*COS(R1)

R8=(R16-R22*COS(R11)+5.1)*SIN(R1)

R9=-10-R22*SIN(R11)

G2X=R7Y=R8Z=R9CR=R24F200

R1=R1-R23

R11=R11+(90/R20)/(360/R23)

G1Z5F200

Z100F1000

M5

M30

仿真结果：

精加工使用球刀加工，程序如下：

T9M6;D6R3球刀精加工

G90G54G40G1Z100F1000M03S1500

X55Y0

Z5

G1Z0F500

R21=35;圆柱半径

R22=3;上凸圆角半径

R23=5;螺旋线递进角度

R24=3;球刀半径

R16=R21-R22

R20=30;螺旋线圈数=切削圆角的圈数

R1=0

R11=90

R9=0

WHILER1=-360*30

R30=R16+(R22+R24)*COS(R11)

R7=(R16+(R22+R24)*COS(R11))*COS(R1)

R8=(R16+(R22+R24)*COS(R11))*SIN(R1)

R9=-R22+(R22+R24)*SIN(R11)-R24

G2X=R7Y=R8Z=R9CR=R30F200

R1=R1-R23

R11=R11-(90/R20)/(360/R23)

R16=35+3

R1=0

R2=-6

R9=R2

WHILER9=-13

R7=R16*COS(R1)

R8=R16*SIN(R1)

R9=R2+R1*1/360

G2X=R7Y=R8Z=R9CR=R16F200

R1=R1-1

G3X=R16Y0I=-R16

R21=35;圆柱半径

R22=5;凹圆角半径

R23=5;螺旋线递进角度

R24=3

R16=R21+R22;凹圆弧圆心处半径

R1=0

R11=0

R9=0

R20=30;螺旋线圈数=切削圆角的圈数

WHILER1=-360*R20

R30=R16-(R22-R24)*COS(R11)

R7=R30*COS(R1)

R8=R30*SIN(R1)

R9=-10-(R22-R24)*SIN(R11)-R24

G2X=R7Y=R8Z=R9CR=R30F200

R1=R1-R23

R11=R11+(90/R20)/(360/R23)

G1Z5F200

Z100F1000

M5

M30

仿真结果：