Movement Control Commands
3.4 Cutting feedrate control
04.07
3-69
© Siemens AG 2007 All rights reserved
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
Parameterization
The override value is programmed via the following setting data:
42520: $SC_CORNER_SLOWDOWN_START
42522: $SC_CORNER_SLOWDOWN_END
42524: $SC_CORNER_SLOWDOWN_OVR
42526: $SC_CORNER_SLOWDOWN_CRIT
The setting data are preset to a value of 0.
S If $SC_CORNER_SLOWDOWN_CRIT == 0, corner deceleration is operative
only at reversing points.
S If $SC_CORNER_SLOWDOWN_START and $SC_CORNER_SLOW-
DOWN_END equal 0, the feedrate reduction is applied within the permissible
dynamic response limits.
S If $SC_CORNER_SLOWDOWN_OVR == 0, a brief stop is inserted.
S $SC_CORNER_SLOWDOWN_CRIT refers to the geometry axes with G62. It
defines the maximum inside angle in the current machining plane up to which
corner deceleration is applied. -- G62 is not operative with rapid traverse.
Activ action
The function is activated via G62 or G621. The G code is activated either by the
relevant part program command or via $MC_GCODE_RESET_VALUES[56].
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