Siemens SINUMERIK 840D sl Operating Manual page 334

Programming technological functions (cycles)
8.2 Milling
Vortex milling: Climbing or conventional
milling
Supplementary conditions for vortex milling
● Roughing
● Slot width
● Radial infeed
● Maximum infeed depth ≤ cutting height of milling cutter
Please note that the cutting height of the milling cutter cannot be checked.
The maximum radial infeed depends on the milling cutter.
For hard materials, use a lower infeed.
334
1/2 slot width W – finishing allowance UXY ≤ milling cutter diameter
minimum 1.15 x milling cutter diameter + finishing allowance
maximum, 2 x milling cutter diameter + 2 x finishing allowance
minimum, 0.02 x milling cutter diameter
maximum, 0.25 x milling cutter diameter
Vortex milling: Climbing - conventional milling
Operating Manual, 09/2011, 6FC5398-7CP40-2BA0
Milling