GDS-3 STUDY ON DESIGN OF CROSSED HELICAL GEARS(GEAR DESIGN AND SYNTHESIS)

概要

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Since the tooth surfaces of the crossed helical gears have an involute helicoid surface, the production and assembly of the gears are easy compared with other kind of gears. On the other hand, Because the contacting tooth surfaces of crossed helical gears are engaged in a point contact, the load carrying capacity of crossed helical gears is quite limited. Theoretical studies on crossed helical gears have been published [1-5]. Since the engagement of crossed helical gears is dealt with in three-dimensional space, the design formulas for the crossed helical gears become complex. In this study, we developed a new designing method in which shaft angle, reduction ratio and center distance can be arbitrarily set using dual vectors. In addition, using the crossed helical gears designed by our method, tooth contact analysis was carried out to examine the effect of the design conditions of the crossed helical gears on Hertzian pressure between tooth surfaces.
一般社団法人日本機械学会の論文
2001-11-15