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HEIDENHAIN iTNC 530 (340 420) ISO programming User Manual

Page 284

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284

8 Programming: Cycles

8.4 Cy

cles f

o

r Milling P

o

c

k

ets, St

uds and Slots

U

U

U

U

Set-up clearance

1

(incremental value): Distance

between tool tip (at starting position) and workpiece
surface.

U

U

U

U

Milling depth

2

(incremental value): Distance

between workpiece surface and bottom of pocket

U

U

U

U

Plunging depth

3

(incremental value): Infeed per cut.

The tool will drill to the depth in one operation if:

n

the plunging depth is equal to the depth

n

the plunging depth is greater than the depth

U

U

U

U

Feed rate for plunging:

Traversing speed during

penetration.

U

U

U

U

1st side length

4

: Slot length; specify the sign to

determine the first milling direction.

U

U

U

U

2nd side length

5

: Slot width.

U

U

U

U

Feed rate F:

Traversing speed of the tool in the

working plane.

Example: NC block

N44 G74 P01 2 P02 -20 P0 5 P04 100
P05 X+80 P06 Y+12 P07 275 *

12

13

14

15

1