beautypg.com

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

Page 347

background image

HEIDENHAIN iTNC 530

319

8.6 SL Cy

cles

Example: Cylinder surface with Cycle 28

Notes:

n

Cylinder centered on rotary table

n

Datum at center of rotary table

n

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