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8 milling cy cles – HEIDENHAIN SW 68894x-02 User Manual

Page 322

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322

Teach-in mode

4.8

Milling

cy

cles

Cycle run

1

Activate the C axis and position to spindle angle C at rapid

traverse (only in Teach-in mode)

2

Calculate the proportioning of cuts (infeeds to the milling planes,

infeeds in the milling planes)

Contour milling:

3

Depending on the approaching radius R, approach the workpiece

and plunge to the first milling plane

4

Mill the first plane

5

Plunge to the next milling plane

6

Repeat 5 to 6 until the milling depth is reached

Pocket milling—roughing:

3

Move to the safety clearance and plunge to the first milling plane

4

Depending on JT, machine a milling plane either from the inside

towards the outside, or vice versa

5

Plunge to the next milling plane

6

Repeat 4 to 5 until the milling depth is reached

Pocket milling—finishing:

3

Depending on the approaching radius R, approach the workpiece

and plunge to the first milling plane

4

Finish-machine the edge of the pocket—one working plane after

the other

5

Depending on JT, finish the pocket floor either from the inside

towards the outside, or vice versa

6

Finish-machine the pocket at the programmed feed rate

All versions:

7

Position to starting point Z and deactivate C axis

8

Move to the tool change point according to the G14 setting