Circumferential Groove (Slot2) - Siemens sinumerik 840D sl Operating Manual

8.4.8

Circumferential groove (SLOT2)

Function
You can mill one or several circumferential grooves of equal size on a full or pitch circle with
the "circumferential groove" cycle.
Tool size
Please note that there is a minimum size for the milling cutter used to machine the
circumferential groove:
● Roughing:
● Finishing:
● Edge finishing:
Annular groove
To create an annular groove, you must enter the following values for the "Number N" and
"Aperture angle α1" parameters:
N = 1
α1 = 360°
Approach/retraction
1. At the height of the retraction plane, the tool approaches the center point of the semicircle
2. It is then inserted into the workpiece at the machining feedrate, allowing for the maximum
3. When the first circumferential groove is finished, the tool moves to the retraction plane at
4. The next circumferential groove is approached along a straight line or circular path and
5. The rapid traverse feedrate for positioning on a circular path is specified in a machine
Turning
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
1⁄2 groove width W – finishing allowance UXY ≤ milling cutter diameter
1⁄2 groove width W ≤ milling cutter diameter
Finishing allowance UXY ≤ milling cutter diameter
at the end of the groove at rapid traverse and adjusts to the safety distance.
Z direction infeed (for face machining), X direction infeed (for peripheral machining), and
the finishing allowance. Depending on the machining direction (up-cut or down-cut), the
circumferential groove is machined in a clockwise or counterclockwise direction.
rapid traverse.
then machined.
data element.
Programming technology functions (cycles)
8.4 Milling
357