数控车循环指令.ppt

单一固定切削循环G90格式一;复习提问;G90 X(U) Z(W) F ;;指令的参数意义;编程示例一;编程示例二;作业;单一固定切削循环G90格式二;G90 X(U) Z(W) R F ;;指令格式：

G94 X(U) Z(W) F ; ;指令格式：

G94 X(U) Z(W) R F ;;;;;( 0.0, 0.0)

( 30.0 ,-5.0 )

( 30.0 , -10.0 )

(30.0 , -15.0 )

;

O5004;

T0101 G99;

M43;

M03;

G00 X78.5 Z2.0;

G94 X0.0 Z0.0 F0.2;

G94 X30.0 Z-5.0; Z-10.0; Z-15.0;

G00 X100.0 Z100.0;

MO5;

M30;

;;(0.0, 0.0 )

(20.0 , 0.0 ) R-5.0

( 20.0 ,-5.0 ) R-5.0

( 20.0 ,-10.0 ) R-5.0;O5005;

T0101 G99;

M43;

M03;

G00 X78.5 Z2.0;

G94 X0.0 Z0.0 F0.2;

G94 X20.0 Z0.0 R-5.0; Z-5.0 R-5.0; Z-10.0 R-5.0;

G00 X100.0 Z100.0;

MO5;

M30;

;;G94：沿Z方向进刀，

车锥度时锥度可在中间位置。

;;T0101 G99;

M43;

M03;

G00 X42.0 Z2.0;

G94 X0.0 Z0.0 F0.2;

G90 X38.0 Z-70.0 F0.2; X33.0 Z-60.0; X28.0 Z-30.0 G94 X28.0 Z-30.0 R-5.0 F0.2; X28.0 Z-30.0 R-10.0; X28.0 Z-30.0 R-15.0; X28.0 Z-30.0 R-20.0;