Siemens SINUMERIK 840D sl Programming Manual page 279

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Significance

The rounding function G642 and jerk limitation SOFT can be used to achieve further

improvements in surface quality. These commands must be written at the beginning of the

Supplementary conditions

● The NC block compression can only be executed for linear blocks (G1).

● Only blocks that comply with a simple syntax are compressed:

● Motion blocks with extended addresses such as C=100 or A=AC(100) are also

● The position values do not have to be programmed directly, but can also be indirectly

● If the option "orientation transformation" is available, then NC blocks in which the tool

● It is interrupted by any other type of NC instruction, e.g., an auxiliary function output.

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Programming Manual, 06/2009, 6FC5398-2BP20-0BA0

4.4 NC block compression (COMPON, COMPCURV, COMPCAD, COMPOF)

Command to activate the compressor function COMPON.

Command to activate the compressor function COMPCURV.

Command to activate the compressor function COMPCAD.

Command to deactivate the currently active compressor function.

N... G1X... Y... Z... F... ;comment

All other blocks are executed unchanged (no compression).

specified using parameter assignments, e.g. X=R1*(R2+R3).

orientation (and where relevant, also the tool rotation) is programmed using direction

vectors can also be compressed (see "Compressing the orientation (Page 402) ").

Special motion commands

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