举例:用OCM循环编程多个深度

以下NC数控程序用于说明OCM循环的用法。定义一个型腔和两个不同高度的凸台。加工轮廓,包括粗加工和精加工。

程序执行顺序

  • 刀具调用:粗加工刀(Ø 10 mm)
  • 编程CONTOUR DEF(轮廓定义)程序
  • 定义循环271
  • 定义和调用循环272
  • 刀具调用:精加工刀(Ø 6 mm)
  • 定义和调用循环273
  • 定义和调用循环274

0 BEGIN PGM OCM_DEPTH MM

1 BLK FORM 0.1 Z X-50 Y-50 Z-30

2 BLK FORM 0.2 X+50 Y+50 Z+0

3 TOOL CALL 5 Z S8000 F1500

; 刀具调用(直径:10 mm)

4 L Z+100 R0 FMAX M3

5 CONTOUR DEF P1 = LBL 1 I2 = LBL 2 I3 = LBL 3 DEPTH5

6 CYCL DEF 271 OCM CONTOUR DATA ~

Q203=+0

;SURFACE COORDINATE ~

Q201=-15

;DEPTH ~

Q368=+0.5

;ALLOWANCE FOR SIDE ~

Q369=+0.5

;ALLOWANCE FOR FLOOR ~

Q260=+100

;CLEARANCE HEIGHT ~

Q578=+0.2

;INSIDE CORNER FACTOR ~

Q569=+0

;OPEN BOUNDARY

7 CYCL DEF 272 OCM ROUGHING ~

Q202=+20

;PLUNGING DEPTH ~

Q370=+0.4

;TOOL PATH OVERLAP ~

Q207=+6500

;FEED RATE MILLING ~

Q568=+0.6

;PLUNGING FACTOR ~

Q253=AUTO

;F PRE-POSITIONING ~

Q200=+2

;SET-UP CLEARANCE ~

Q438=-0

;ROUGH-OUT TOOL ~

Q577=+0.2

;APPROACH RADIUS FACTOR ~

Q351=+1

;CLIMB OR UP-CUT ~

Q576=+10000

;SPINDLE SPEED ~

Q579=+0.7

;PLUNGING FACTOR S ~

Q575=+1

;INFEED STRATEGY

8 CYCL CALL

; 循环调用

9 TOOL CALL 23 Z S10000 F2000

; 刀具调用(直径:6 mm)

10 L Z+100 R0 FMAX M3

11 CYCL DEF 273 OCM FINISHING FLOOR ~

Q370=+0.8

;TOOL PATH OVERLAP ~

Q385=AUTO

;FINISHING FEED RATE ~

Q568=+0.3

;PLUNGING FACTOR ~

Q253=+750

;F PRE-POSITIONING ~

Q200=+2

;SET-UP CLEARANCE ~

Q438=-1

;ROUGH-OUT TOOL ~

Q595=+1

;STRATEGY ~

Q577=+0.2

;APPROACH RADIUS FACTOR

12 CYCL CALL

; 循环调用

13 CYCL DEF 274 OCM FINISHING SIDE ~

Q338=+0

;INFEED FOR FINISHING ~

Q385=AUTO

;FINISHING FEED RATE ~

Q253=+750

;F PRE-POSITIONING ~

Q200=+2

;SET-UP CLEARANCE ~

Q14=+0

;ALLOWANCE FOR SIDE ~

Q438=+5

;ROUGH-OUT TOOL ~

Q351=+1

;CLIMB OR UP-CUT

14 CYCL CALL

; 循环调用

15 M30

; 程序结束

16 LBL 1

; 轮廓子程序1

17 L X-40 Y-40

18 L X+40

19 L Y+40

20 L X-40

21 L Y-40

22 LBL 0

23 LBL 2

; 轮廓子程序2

24 L X-10 Y-10

25 L X+10

26 L Y+10

27 L X-10

28 L Y-10

29 LBL 0

30 LBL 3

; 轮廓子程序3

31 L X-20 Y-20

32 L X+20

33 L Y+20

34 L X-20

35 L Y-20

36 LBL 0

37 END PGM OCM_DEPTH MM