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
– as drilling pattern cycle (line, circle, etc.) or
– as a sequence of positioning blocks for the hole centers
See also
Selection of the cycles via softkey (Page 273)
10.1.2 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.
Machine manufacturer
Please refer to the machine manufacturer's specifications.
See also
Clamping the spindle (Page 296)
Approach/retraction
1. The tool moves with G0 to safety clearance of the reference point.
2. Inserted into the workpiece with G1 and the programmed feedrate F until the depth or the
centering diameter is reached.
3. On expiry of a dwell time DT, the tool is retracted at rapid traverse G0 to the retraction plane.
Programming technology functions (cycles)
10.1 Drilling
Turning
346 Operating Manual, 06/2019, A5E44903486B AB
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