Design of new tooth profiles for high-load capacity gears

A new method for the design of line-contact gear profiles is introduced in this paper. In this method, the deviation function technique will be applie d to generate the new gear profiles. Non-Uniform Rational B-Splines will be implemented as the deviation functions. Compared to current line-contact g ears of involute profiles, some of these new profiles could achieve greater average profile conformity, which results in decreased contact stresses, a nd could also achieve decreased bending stresses. Since these gears are cap able of carrying higher loads than gears of equivalent sizes, there should be cost savings and reduced machine sizes in certain special applications. (C) 2001 Elsevier Science Ltd. All rights reserved.