What could be the convenient range and precision of an approximate expression of involute in inverse, in the field gear engineering. Max error ? for 0 < involute< ?
The approximation by arcs and splines is enough effective. The required precision of approximate expression is determined by class of gears accuracy.
Enough effective corresponds to what precision? And up to which angle are you usually working? I saw some table up to 60 degrees.
Regarding the answer of Serge, the max errors for each class of quality for gears can be extrapolated from the ISO 6336 standard.
Franco
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