A KIND OF GEAR PAIR FOR POWER TRANSMISSION IN SPEED INCREASER OR REDUCER AND ITS FORMING METHOD

摘要

This invention relates to a kind of gear pair for power transmission in speedincreaser or reducer and its tooth profile forming method, the tooth profilesof driving gear (1) and driven gear (2) are separately designed from thereference points, the upper tooth profiles (15, 25) are composed of conjugatecurves, while the lower tooth profiles (14, 24) are composed of smooth convexanalytic curves. The reference point (22) of the driven gear (2) situates nearthe middle of the working depth, while the reference point (12) on the toothprofile (11) of the driving gear (1) and the reference point (22) on thedriven gear tooth flank (21) are a pair of conjugate point. This invention cangreatly enhance the load capacity of the gear pair.