Programming Contours | Path contours – FK free contour programming
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HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017
291
Relative data
Relative data are values based on another contour element. The
soft keys and program words for relative entries begin with the
letter R. The figure on the right shows the dimensional data that
should be programmed as relative data.
The coordinates and angles for relative data are always
programmed in incremental dimensions. You must also
enter the block number of the contour element on which
the data are based.
The block number of the contour element on which
the relative data are based can only be located up to
64 positioning blocks before the block in which you
program the reference.
If you delete a block on which relative data are based,
the control will display an error message. Change the
program first before you delete the block.
Data relative to block N: End point coordinates
Soft keys Known data
Cartesian coordinates relative to block N
Polar coordinates relative to block N
Example
N10 FPOL X+10 Y+10*
N20 FL PR+20 PA+20*
N30 FL AN+45*
N40 FCT IX+20 DR- R20 CCA+90 RX 20*
N50 FL IPR+35 PA+0 RPR 20*
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