Transformations
6.10 Constraints when selecting a transformation
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
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6.10 Constraints when selecting a transformation
Function
Transformations can be selected via a parts program or MDA. Please note:
● No intermediate movement block is inserted (chamfer/radii).
● Spline block sequences must be excluded; if not, a message is displayed.
● Fine tool compensation must be deselected (FTOCOF); if not a message is displayed.
● Tool radius compensation must be deselected (G40); if not a message is displayed.
● An activated tool length offset is included in the transformation by the control.
● The control deselects the current frame active before the transformation.
● The control deselects an active operating range limit for axes affected by the
transformation (corresponds to WALIMOF).
● Protection zone monitoring is deselected.
● Continuous path control and rounding are interrupted.
● All the axes specified in the machine data must be synchronized relative to a block.
● Axes that are exchanged are exchanged back; if not, a message is displayed.
● A message is output for dependent axes.
Tool change
Tools may only be changed when the tool radius compensation function is deselected.
A change in tool length offset and tool radius compensation selection/deselection must not
be programmed in the same block.
Frame change
All statements, which refer exclusively to the base coordinate system, are permissible
(FRAME, tool radius compensation). However, a frame change with G91 (incremental
dimension) – unlike with an inactive transformation – is not handled separately. The
increment to be traveled is evaluated in the workpiece coordinate system of the new frame –
regardless of which frame was effective in the previous block.
Exceptions
Axes affected by the transformation cannot be used
● as a preset axis (alarm),
● for approaching a checkpoint (alarm),
● for referencing (alarm).
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