Programming and Operating Manual (Milling)
100 6FC5398-4DP10-0BA6, 09/2017
See the following illustration for helical interpolation:
; X/Y plane , Z standing verticall y on it
; Approach starting point
N40 G3 X0 Y0 Z33 I0 J-25 TURN= 3
Feedrate override for circles: CFTCP, CFC
Fu n ctionality
For activated
(G41/G42)
, it is imperative to correct the feedrate at the
cutter center point if the
is to act at the circle contour.
Internal and external machining of a circle and the current tool radius are taken into account automatically if the tool radius
compensation is enabled.
This feedrate correction (override) is not necessary for linear paths. The path velocities at the cutter center point and at the
programmed contour are identical.
If you wish the programmed feedrate always to act at the cutter center point path, then disable the feedrate override. The
modally acting G group that contains CFTCP/CFC (G functions) is provided for switching.
; Feedrate override OFF (the programmed feedrate acts at the milling cutter center point)
; Feedrate override with circle ON
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