Nc Functions For Coordinate Transformations; Overview; Datum Shift With Trans Datum - HEIDENHAIN TNC 620 User Manual

Special functions | NC functions for coordinate transformations
10.6 NC functions for coordinate
transformations

Overview

The control provides the following TRANS functions:
Syntax Function
Shift the workpiece datum
TRANS DATUM
Mirror an axis
TRANS MIRROR
Rotation about the tool axis
TRANS ROTATION
Scale contours and
TRANS SCALE
positions
Define the functions in the sequence in which they are listed in the
table and reset them in reverse order. The sequence of programming
will have an impact on the result.
For example, if you first shift the workpiece datum and then mirror
the contour and then reverse the sequence, the contour will be
mirrored at the original workpiece datum.
All TRANS functions reference the workpiece datum. The workpiece
datum is the origin of the input coordinate system (I-CS).
Further information: "Input coordinate system I-CS", Page 84
Related topics
Coordinate transformation cycles
Further information: User's Manual for Programming of
Machining Cycles
PLANE functions (option 8)
Further information: "The PLANE function: Tilting the working
plane (option 8)", Page 431
Reference systems
Further information: "Reference systems", Page 77

Datum shift with TRANS DATUM

Application
The TRANS DATUM function allows you to shift the workpiece datum
by either entering fixed or variable coordinates or by specifying a
table row in the datum table.
Use the TRANS DATUM RESET function to reset the datum shift.
Related topics
Activating the datum table
Further information: User's Manual for Programming of
Machining Cycles
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
Further
information
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Page 388
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