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8 sl c y cles, Example: cylinder surface with cycle 28 – HEIDENHAIN iTNC 530 (340 49x-04) User Manual

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8 Programming: Cycles

8.8 SL c

y

cles

Example: Cylinder surface with Cycle 28

Notes:

„

Cylinder centered on rotary table

„

Datum at center of rotary table

„

Description of the midpoint path in the
contour subprogram

0 BEGIN PGM C28 MM

1 TOOL DEF 1 L+0 R+3.5

Tool definition

2 TOOL CALL 1 Y S2000

Call tool, tool axis is Y

3 L Y+250 RO FMAX

Retract the tool

4 L X+0 R0 FMAX

Position tool on rotary table center

5 CYCL DEF 14.0 CONTOUR GEOMETRY

Define contour subprogram

6 CYCL DEF 14.1 CONTOUR LABEL 1

7 CYCL DEF 28 CYLINDER SURFACE

Define machining parameters

Q1=-7

;MILLING DEPTH

Q3=+0

;ALLOWANCE FOR SIDE

Q6=2

;SET-UP CLEARANCE

Q10=-4

;PLUNGING DEPTH

Q11=100

;FEED RATE FOR PLUNGING

Q12=250

;FEED RATE FOR MILLNG

Q16=25

;RADIUS

Q17=1

;TYPE OF DIMENSION

Q20=10

;SLOT WIDTH

Q21=0.02

;TOLERANCE

Remachining active

8 L C+0 R0 FMAX M3

Pre-position rotary table

9 CYCL CALL

Cycle call

C

Z

157

52.5

40

35

60

70