2 Machine information 03/2013
2.2 Variable monitors – time Series – measurements and measurement series
© Siemens AG 2006-2013 All Rights Reserved
2-48 SINUMERIK Integrate AMB, AMC, AMM, Function Manual (FH) - 03/2013
2.2.4 Circularity test
Function description
The circularity test produces a polar plot of the circular path and circularity-specific
characteristics:
Characteristic Description
Circular deviation The circular deviation is measured on the basis of
ISO 230-4 as difference between the maximum and
minimum radius at movement of a circle in one direction.
A value is calculated for each direction of movement.
Circular hysteresis As defined in ISO 230-4 the circular hysteresis is
determined by establishing the maximum difference of
measured radii on an angular position between the two
directions of movement.
The measurement type-relevant parameters are also specified. The goal is to test
the drive dynamics and accuracy of the two axes involved.
Fig. 2-28: Measuring result of a circularity test
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