6 sl cy cles, Example: cylinder surface with cycle 28 – HEIDENHAIN iTNC 530 (340 420) User Manual
Page 347

HEIDENHAIN iTNC 530
319
8.6 SL Cy
cles
Example: Cylinder surface with Cycle 28
Notes:
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Cylinder centered on rotary table
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Datum at center of rotary table
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Description of the midpoint path in the
contour subprogram
0 BEGIN PGM C28 MM
1 TOOL DEF 1 L+0 R+3.5
Define the tool
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 28.0 CYLINDER SURFACE
Define machining parameters
Q1=-7
;MILLING DEPTH
Q3=+0
;ALLOWANCE FOR SIDE
Q6=2
;SAFETY CLEARANCE
Q10=-4
;INFEED DEPTH
Q11=100
;FEED RATE FOR PLUNGING
Q12=250
;FEEED RATE FOR MILLING
Q16=25
;RADIUS
Q17=1
;DIMENSION TYPE
Q20=10
;SLOT WIDTH
8 L C+0 R0 FMAX M3
Pre-position rotary table
9 CYCL CALL
Call the cycle
10 L Y+250 R0 FMAX M2
Retract in the tool axis, end program
C
Z
157
52.5
40
35
60
70