Date: 27 Jul 2010

The Determination of the Exact Surfaces of the Spur Wheels Flank with the Unique Rack-Bar

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Rolling tooth processing system, which is the most used procedure, is based on the principle that the surfaces in meshing are reciprocal winding surfaces in a gearing meshing, besides the two active surfaces there are also two surfaces which are reciprocally winded. The paper presents the manner in which the imaginary rack-bar is determined in the case of the spur curved gearing and the study of the relative velocities. The mathematical modelling of the processing procedure of the curved spur wheels imposed the determination of theoretical surfaces of the unique generating rack-bar teeth flanks.