normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">加工图3—39所示零件凸台的外轮廓，采用刀具半径补偿指令进行编程。
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt"> 图3—39 刀具半径补偿的应用
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">采用刀具半径左补偿，数控程序如下；
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0010 G54S1500 M03 ／设工件零点于O点，主轴正转1500r／min
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0020 G90G00Z50. ／抬刀至安全高度
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0030 X0Y0．. /刀具快进至(0，0，50)
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0040 Z2. ／刀具快进至(0，0，2)
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0050 G01Z-3.F50. ／刀具以切削进给到深度-3mm处
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0060 G41X20.Y14.F150. ／建立刀具半径左补偿O—A
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0070 Y62. /直线插补A—B
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0080 G02X44.Y86.I24.JO ／圆弧插补B—C
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0090 G01X96． /直线插补C——D
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0100 G03X120.Y62.I24.J0 ／圆弧插补D—E
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0110 G01Y40. /直线插补E—F
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0120 X100.Y14. /直线插补F—G
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0130 X20. /直线插补G一A
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0140 G40OY0 ／取消刀具半径补偿A一O
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0150 G00Z100． ／Z向快速退刀
normal style="TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt">N0160 M02 ／程序结束
