Notes
SINUMERIK 802D sl Operating and Service Training Manual Page 6
C104
C104
Section 3
Mold&Die commands
3.1 List of G Codes
The following G Codes are relevant for Mold&Die
• G Code Group30 — COMPRESSOR ON/OFF
COMPOF / COMPON / COMPCURV / COMPCAD
Recommended function : COMPCAD
CAD/CAM systems usually deliver linear blocks which observe the
parameterized accuracy. With complex contours, this results in a
substantial data quantity and – in some cases short path sections.
These short path sections limit the machining speed. By using the
compressor, it is possible to summarize short path blocks in a path
section. The number of blocks to be executed is compressed.
By using the COMPCAD Gcode, you can select a compression opti-
mized with reference to the surface quality and the velocity, whereby
the accuracy of the interpolation can be defined via machine data
$MA_COMPRESS_POS_TOL - MD33100 .
According to the specified tolerance band - 1 - the compressor com-
bines a sequence of G1 commands - 2 - and compresses them into
a spline - 3 - which is directly calculated by the control system. This
makes the surface much smoother, since the machine axes can mo-
ve more harmoniously and machine resonance is avoided.This al-
lows higher traversing speeds and reduces the load on the machine.
This compression operation can only be executed on linear blocks
(G1). It is interrupted by any other type of NC instruction, e.g., an
auxiliary function output, but not by parameter calculations. Only
those blocks containing nothing more than the block number, G1,
axis addresses, feed and comments are compressed. All other
blocks are executed unchanged (no compression).
This function is only available for SINUMERIK 802D sl pro.
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