6 pr ogr amming examples, Example: cylinder surface with cycle 28 – HEIDENHAIN iTNC 530 (34049x-08) Cycle programming User Manual
Page 241

HEIDENHAIN iTNC 530
241
8.6
Pr
ogr
amming
examples
Example: Cylinder surface with Cycle 28
Notes:
Cylinder centered on rotary table
Machine with B head and C table
Datum at center of rotary table
Description of the midpoint path in the
contour subprogram
0 BEGIN PGM C28 MM
1 TOOL CALL 1 Z S2000
Tool call, tool axis Z, diameter 7
2 L Z+250 R0 FMAX
Retract the tool
3 I X+50 Y+0 R0 FMAX
Position the tool at the rotary table center
4 PLANE SPATIAL SPA+0 SPB+90 SPC+0
TURN FMAX
Positioning
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 PLNGNG
Q12=250
;FEED RATE FOR MILLING
Q16=25
;RADIUS
Q17=1
;TYPE OF DIMENSION
Q20=10
;SLOT WIDTH
Q21=0.02
;TOLERANCE
Remachining active
C
Z
157
52.5
40
35
60
70