Siemens SINUMERIK 840DE SL - 2.2.2 Settings for involute interpolation

Detailed Description
2.2 Functions
Various NC/PLC Interface Signals and Functions (A2)
2-24 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
REFRESH suppression
MD10131 $MN_SUPPRESS_SCREEN_REFRESH (screen refresh in case of overload)
Default setting for screen-refresh strategy with high NC utilization:
• Value 0: Refresh of current values is suppressed in all channels.
• Value 1: Refresh of current values is suppressed in time-critical channels.
• Value 2: Refresh of current values is never suppressed.
2.2.2 Settings for involute interpolation
Introduction
The involute of the circle is a curve traced out from the end point on a "piece of string"
unwinding from the curve. Involute interpolation allows trajectories along an involute.
5
;<
;
<
Φ
Φ

6WDUWSRLQW
(QGSRLQW
%DVHFLUFOH
;

%DVHFLUFOHFHQWHU
<


Fig. 2-6 Involute (unwound from base circle)