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HEIDENHAIN iTNC 530 (340 49x-04) User Manual

Page 427

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HEIDENHAIN iTNC 530

427

8.6 Cy

cles f

o

r Milling P

o

c

k

ets, St

uds and Slots

Machining operation (0/1/2)

Q215: Define the

machining operation:
0: Roughing and finishing
1: Only roughing
2: Only finishing
Side finishing and floor finishing are only executed if
the finishing allowances (Q368, Q369) have been
defined.

Slot width

Q219 (value parallel to the secondary axis

of the working plane): Enter the slot width. If you
enter a slot width that equals the tool diameter, the
TNC will carry out the roughing process only (slot
milling). Maximum slot width for roughing: Twice the
tool diameter

Finishing allowance for side

Q368 (incremental

value): Finishing allowance in the working plane.

Pitch circle diameter

Q375: Enter the diameter of

the pitch circle.

Reference for slot position (0/1/2/3)

Q367:

Position of the slot in reference to the position of the
tool when the cycle is called:
0: The tool position is not taken into account. The slot
position is determined from the entered pitch circle
center and the starting angle.
1: Tool position = Center of left slot circle. Starting
angle Q376 refers to this position. The entered pitch
circle center is not taken into account.
2: Tool position = Center of center line. Starting angle
Q376 refers to this position. The entered pitch circle
center is not taken into account.
3: Tool position = Center of right slot circle. Starting
angle Q376 refers to this position. The entered pitch
circle center is not taken into account.

Center in 1st axis

Q216 (absolute value): Center of

the pitch circle in the reference axis of the working
plane. Only effective if Q367 = 0.

Center in 2nd axis

Q217 (absolute value): Center of

the pitch circle in the minor axis of the working plane.
Only effective if Q367 = 0.

Starting angle

Q376 (absolute value): Enter the polar

angle of the starting point.

Angular length

Q248 (incremental value): Enter the

angular length of the slot.

X

Y

Q248

Q376

Q219

Q375

X

Y

X

Y

X

Y

X

Y

Q367=0

Q367=1

Q367=2

Q367=3