27 milling cy cles – HEIDENHAIN CNC Pilot 4290 V7.1 User Manual

Page 277

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HEIDENHAIN CNC PILOT 4290

277

4.27 Milling Cy

cles

Cycle run

1

Starting position (X, Z, C) is the position before the cycle begins.

2

Calculates the number of cutting passes (infeeds to the milling
planes, infeeds in the milling depths).

3

Moves to the safety clearance and feeds to the first milling
depth.

4

Mills a plane.

5

Retracts by the safety clearance, returns and cuts to the next
milling depth.

6

Repeat steps 4 and 5 until the complete surface is milled.

7

Returns to retraction plane J.

Pocket milling, finishing G846

Cutting direction

Direction of tool
rotation

Execution

Cutting direction

Direction of tool
rotation

Execution

Up-cut milling
(H=0)

Mx03

Up-cut milling
(H=0)

Mx03

Up-cut milling
(H=0)

Mx04

Up-cut milling
(H=0)

Mx04

Climb milling (H=1)

Mx03

Climb milling (H=1)

Mx03

Climb milling (H=1)

Mx04

Climb milling (H=1)

Mx04

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