beautypg.com

7 sl cy cles gr oup ii, Example: cylinder surface with cycle g127 – HEIDENHAIN iTNC 530 (340 420) ISO programming User Manual

Page 327

background image

HEIDENHAIN iTNC 530

327

8.7 SL Cy

cles Gr

oup II

Example: Cylinder surface with Cycle G127

Note:

n

Cylinder centered on rotary table

n

Datum at center of rotary table

%C27 G71 *

N10 G99 T1 L+0 R+3.5 *

Define the tool

N20 T1 G18 S2000 *

Call tool, tool axis is Y

N30 G00 G40 G90 Y+250 *

Retract the tool

N40 G37 P01 1 *

Define contour subprogram

N70 G127 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 MILLING

Q16=25

;RADIUS

Q17=1

;DIMENSION TYPE

N60 C+0 M3 *

Pre-position rotary table

N70 G79 *

Call the cycle

N80 G00 G90 Y+250 M2 *

Retract in the tool axis, end program

C

Z

157

60

30

20

R7,5

50