Multiple-Axis Machining | Miscellaneous functions for rotary axes
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
Shortest-path traverse of rotary axes: M126
Standard behavior
Refer to your machine manual.
The positioning behavior of rotary axes is machine-
dependent.
The default behavior of the control while positioning
rotary axes whose display has been reduced to values
less than 360° is dependent on the
shortestDistance
machine parameter (no. 300401). This machine parameter defines
whether the control should consider the difference between
nominal and actual positions, or whether it should always choose
the shortest path to the programmed position (even without
M126). Examples:
Actual position
Nominal position
Traverse
350°
10°
–340°
10°
340°
+330°
Behavior with M126
With
M126
, the control will move a rotary axis, whose display is
reduced to values less than 360°, on the shortest path of traverse.
Examples:
Actual position
Nominal position
Traverse
350°
10°
+20°
10°
340°
–30°
Effect
M126
becomes effective at the start of the block.
To cancel
M126
, enter
M127
. At the end of program,
M126
is
automatically canceled.
Summary of Contents for TNC 620 E
Page 4: ......
Page 5: ...Fundamentals...
Page 34: ...Contents 34 HEIDENHAIN TNC 620 Conversational Programming User s Manual 10 2017...
Page 63: ...1 First Steps with the TNC 620...
Page 86: ......
Page 87: ...2 Introduction...
Page 123: ...3 Operating the Touchscreen...
Page 139: ...4 Fundamentals File Management...
Page 199: ...5 Programming Aids...
Page 228: ......
Page 229: ...6 Tools...
Page 271: ...7 Programming Contours...
Page 323: ...8 Data Transfer from CAD Files...
Page 344: ......
Page 345: ...9 Subprograms and Program Section Repeats...
Page 364: ......
Page 365: ...10 Programming Q Parameters...
Page 467: ...11 Miscellaneous Functions...
Page 489: ...12 Special Functions...
Page 532: ......
Page 533: ...13 Multiple Axis Machining...
Page 596: ......
Page 597: ...14 Pallet Management...
Page 610: ......
Page 611: ...15 Batch Process Manager...
Page 619: ...16 Manual Operation and Setup...
Page 693: ...17 Positioning with Manual Data Input...
Page 698: ......
Page 699: ...18 Test Run and Program Run...
Page 737: ...19 MOD Functions...
Page 774: ......
Page 775: ...20 Tables and Overviews...