17.6 Position pattern
In drilling and milling operations with face B, position patterns "full circle/pitch circle" provide the
following options for machining on inclined surfaces
● with swivel plane
● with C axis
Procedure
1. Press the "Drilling" softkey.
2. Press the "Positions" and "Full circle/pitch circle" softkeys.
Parameter Description Unit
Face B on the swivel plane
Z0 Z coordinate of the reference point (abs) mm
X0 X coordinate of the reference point (abs) mm
Y0 Y coordinate of the reference point (abs) mm
α0 Starting angle: Angle of 1st hole with reference to X axis.
Positive angle: Full circle is rotated counterclockwise.
Negative angle: Full circle is rotated in clockwise direction.
Degrees
α 1 Indexing angle: After the first hole has been drilled, all additional positions are ap‐
proached at this angle (only for pitch circle).
Positive angle: Additional positions are rotated in counterclockwise direction.
Negative angle: Additional positions are rotated in clockwise direction.
Degrees
R Radius of full circle mm
N Number of positions on circle
Positioning Straight line: Next position is approached linearly in rapid traverse.
Circular: Next position is approached along a circular path at the feedrate defined in
the machine data.
mm
Face B - wit C axis
Z0 Z coordinate of the reference point (abs) mm
X0 X coordinate of the reference point (abs) mm
Y0 Y coordinate of the reference point (abs) mm
α0 Starting angle: Angle of 1st hole with reference to C axis.
Positive angle: Full circle is rotated counterclockwise.
Negative angle: Full circle is rotated in clockwise direction.
Degrees
Working with a B axis (only 840D sl)
17.6 Position pattern
Turning
884 Operating Manual, 06/2019, A5E44903486B AB
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