GEAR PAIR FOR A HELICAL GEAR TRANSMISSION, HELICAL GEAR TRANSMISSION WITH SUCH A GEAR PAIRING AND USE OF SUCH A GEAR PAIR IN SPUR GEAR TRANSMISSIONS

摘要

The present invention relates to a gear pair for a helical gear (22), comprising a helical gear (10) with a first toothed portion (12), and a worm (16) with a second toothed portion (18), wherein the first toothed portion (12) and the second toothing portion (18) are engageable engageable engagement and an involute toothing (26), the materials of the first and second Verzahnungsabschnitts (12, 18) are selected so that in engagement results in a combination of metal-plastic material, and the A toothing section (12, 18) made of plastic has a first normal tooth thickness (s _n1 ) and the metal toothing section (12, 18) has a second normal tooth thickness (s _n2 ), wherein the ratio (V _sn ) of the first normal tooth thickness (s _n1 ) to the second Normal tooth thickness (s _n2 ) is increased compared to a reference profile by 10 to 200% and in particular by 15 to 120%.