Digital true tooth surface modelling method of spiral bevel gear
DOI:
https://doi.org/10.5755/j01.mech.21.2.8397Keywords:
Digtal tooth surface, spiral bevel gear, modeling method.Abstract
A method for digital true gear tooth surfaces of spiral bevel gear is presented based on the meshing theory of gear and conjugate surface. The microscopic true tooth surface varies according to different machining adjustment parameters, so the true tooth surface of spiral bevel gear is not standard spherical involute. The study Obtained the disc rete points on the digital true surface from solving equation se based on meshing theory and successfully establishe a spiral bevel gear geometr model. The developed method verified by the machining adjustment parameters in engineering and precisely digital spiral bevel gear model. The study put forward a new method for the spiral bevel gear machining of non-standard digital true gear tooth surfaces, breaking the limitations of conventional modeling method based on stand spherical involute. Obtained a precisely digitized true tooth surface of spiral bevel gear based on machining adjustment parameters, which will have great value for transmission error analysis and true tooth contact analysis.
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