Teach-in | Recessing cycles
5
HEIDENHAIN | MANUALplus 620 | User's Manual | 12/2017
253
5.5 Recessing cycles
Menu item Meaning
The recessing cycle group compris-
es recessing, recess turning, undercut
and parting cycles. Simple contours are
machined in basic mode, complex contours
in expanded mode.
ICP recessing cycles machine contours defined with ICP.
Further information: "ICP contours", Page 416
Proportioning of cuts: The control calculates a
constant recessing width that is <= P
Oversizes are considered in expanded mode
Tool-tip radius compensation is conducted
(exception: Undercut type K)
Cutting and infeed directions for recessing cycles:
The control determines the cutting and infeed directions from the
cycle parameters.
The decisive ones are:
Basic mode: The parameters for Starting point X, Z (in
Machine mode: current tool position) and Start point contour
X1 / End point contour Z2
Expanded mode: The parameters for Start point contour X1,
Z1 and End point contour X2, Z2
ICP cycles: The parameters for Starting point X, Z (in Machine
mode: current tool position) and starting point of ICP contour
Menu item Recessing cycles
Recessing radial/Recessing axial
Recessing and finishing cycles for simple
contours
ICP recessing radial/ICP recessing axial
Recessing and finishing cycles for any
contour
Recess turning radial/Recess turning axial
Recess-turning and finishing cycles for
simple contours and any type of contour
Undercut. Form H
Undercut type H
Undercut. Form K
Undercut type K
Undercut. Form U
Undercut type U
Cut-off
Cycle for parting the workpiece
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