HEIDENHAIN MANUALplus 620 59
2.3 Units—Recessing
"ICP recess turning" unit
The unit machines the contour described by ICP axially/radially from
"NS to NE". The workpiece is machined by alternate recessing and
roughing movements.
The unit machines the contour described in the FINISHED program
section axially/radially from "NS to NE". Any auxiliary contour defined
in FK will be used. The workpiece is machined by alternate recessing
and roughing movements.
Unit name: G869_ICP / Cycle: G869 (see page 258)
Access to the technology database:
Machining operation: Recess turning
Affected parameters: F, S, O, P
Contour form
X1, Z1 Starting point of blank. Evaluation only if no blank has been
defined.
SX, SZ Cutting limit (SX: diameter value)—(default: no cutting
limit)
Further parameters of the contour form: see page 48.
Cycle form
P Maximum infeed during rough turning
I, K Oversize in X, Z direction (I: diameter value)
RB Turning depth compensation for finishing
B Offset width
U Cutting direction
0 (Bi): Bidirectional (in both directions)
1 (Uni): Unidirectional (in direction of contour)
Q Sequence (roughing/finishing)
0 (SS): Roughing and finishing
1 (SP): Only roughing
2 (SL): Only finishing
A Approach angle (default: opposite to recessing direction)
W Departure angle (default: opposite to recessing direction)
O Recessing feed rate (default: active feed rate)
E Finishing feed rate (default: active feed rate)
H Type of retraction at end of cycle
0: Return to starting point
Axial recess: First Z, then X direction
Radial recess: First X, then Z direction
1: Positions in front of the finished contour
2: Retracts to safety clearance and stops
V Machine form elements: see page 48
Further forms: see page 46
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