Mitsubishi Electric M700V Series Programming Manual page 429

13. Program Support Functions
Circular error radius compensation control for each axis
When the roundness at the machine end is, compared to the reference circle, expanded at an axis
creating an ellipsis state, compensation is carried out for each axis to make a perfect circle.
The validity of this control can be changed with control parameter "#8108 R COMP Select". Note
that "#8108 R COMP Select" is valid only when "#8107 R COMPENSATION" is set to "1".
The compensation coefficient for each axis is designated with the axis specification parameter
"#2069 Rcoeff".
(1) Compensation in each axis direction of arc
(2) Smooth compensation at entrance and exit
The compensation amount is gradually increased from the arc start point to the 90° position,
and 100% compensation is reached at the 90° position. The compensation is gradually
decreased from 90° before the end point, and 0% compensation is reached at the end point.
13.15 High-accuracy Control ; G61.1, G08
Machine end
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Commanded
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Machine end
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Commanded
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Machine end path
Commanded path
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