Centering (Cycle81) - Siemens SINUMERIK 840D sl Operating Manual

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Programming technology functions (cycles)
8.1 Drilling
Drilling positions
The cycle assumes the tested hole coordinates of the plane.
The hole centers should therefore be programmed before or after the cycle call as follows
(see also Section, Cycles on single position or position pattern (MCALL)):
● A single position should be programmed before the cycle call
● Position patterns (MCALL) should be programmed after the cycle call
See also
Selection of the cycles via softkey (Page 209)
8.1.2

Centering (CYCLE81)

Function
With the "Centering" function, the tool drills with the programmed spindle speed and feedrate
either:
● Down to the programmed final drilling depth or
● So deep until the programmed diameter of the centering is reached
The tool is retracted after a programmed dwell time has elapsed.
Clamping the spindle
For ShopTurn, "Clamp spindle" function can be set up by the machine manufacturer.
See also
Clamping the spindle (Page 231)
278
– as drilling pattern cycle (line, circle, etc.) or
– as a sequence of positioning blocks for the hole centers
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Turning

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