HEIDENHAIN TNC 426 B User Manual page 345

SL Cycles
Cycle 4 POCKET MILLING and Cycle 5CIRCULAR POCKET MILLING: Overlap factor
Permissible deviation of circle radius between circle end point and circle starting point
Behavior of M functions
The k factors for position loop gain are
V
set by the machine tool builder. Refer
to your machine manual.
330
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MP7420
Mill channel around the contour — clockwise for islands and
counterclockwise for pockets: +0
Mill channel around the contour — clockwise for pockets and
counterclockwise for islands: +1
First mill the channel, then rough out the contour: +0
First rough out the contour, then mill the channel: +2
Combine compensated contours: +0
Combine uncompensated contours: +4
Complete one process for all infeeds before switching to the other
process: +0
Mill channel and rough-out for each infeed depth before continuing to
the next depth: +8
The following note applies to the Cycles 6, 15, 16, 21, 22, 23, and 24:
At the end of the cycle, move the tool to the position that was last
programmed before the cycle call: +0
At the end of the cycle, retract the tool in the tool axis only: +16
MP7430
0.1 to 1.414
MP7431
0.0001 to 0.016 [mm]
MP7440
Program stop with M06: +0
No program stop with M06: +1
No cycle call with M89: +0
Cycle call with M89: +2
Program stop with M functions: +0
No program stop with M functions: +4
k factors cannot be switched through M105 and M106: +0
v
k factors can be switched through M105 and M106: +8
v
Reduce the feed rate in the tool axis with M103 F .. ,
function inactive: +0
Reduce the feed rate in the tool axis with M103 F .. ,
function active: +16
13 Tables and Overviews