4th axis machining and mold and die
7.2 3-axis mold and die machining
SINUMERIK 802D sl pro - Milling
Control system overview for machine tools' sales people, 07/2008
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7.2.2 Online compressor
☑ Basic configuration
Freeform programs in G01 format are converted to the internal control spline format during
NC runtime. The number of traversing blocks is thereby drastically reduced.
With an active compressor, free-form surfaces can be machined at a higher speed and
without reaching the block change limit.
Example:
G01 format (10 NC blocks) NURBS format (3 NC blocks)
Highlights
● Higher machining speed through quasi-shortening of block change times
● Better surface smoothing through splines instead of linear blocks
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