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Operating manual
CNC 8070
20.
SETUP ASSISTANCE
(REF: 1505)
The circularity (roundness) test
20.3 The circularity (roundness) test
This tool helps improve and adjust the axis reversal peak, an effect that appears when the
axes reverse their moving direction. With this utility, a circle may be executed with the axes
and graphically show the result. This graphic shows the difference between the actual (real)
coordinate obtained from the feedback device and the theoretical coordinate calculated at
each point. This difference is shown projected radially.
The same screen showing the graphics also shows the machine parameters that affect the
movement reversal. These parameters may be modified while running the test, thus being
possible to evaluate the response of the system to these changes and optimize the
adjustment on the go.
The circularity (roundness) test diagram is an assistance tool that only shows the response
of the system to the various settings (adjustments); it is up to the technician to choose the
best adjustment.
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