Verfahren zur Herstellung eines auf einer Welle befestigten geräuscharm arbeitenden Zahnrades in Verbundbauweise

摘要

To reduce the noise generated by a gear (1) which has sufficient mechanical strength to transmit even large torques, the proposal is, first of all, to mould a first hub component (1.1) composed of a thermoplastic with a high damping factor and a relatively low mechanical strength on to the transmission shaft (2) of a geared motor and to mould onto this first hub component (1.1) a second hub component (1.2) with an outer gear rim (1.21) composed of a thermoplastic with a high mechanical strength and a relatively low damping factor; to increase the strength, the first hub component (1.1) is moulded onto a metal driver disc (3) fixed on the transmission shaft (2) beforehand or the second hub component (1.2) is anchored to the first hub component (1.1) by having it surround or overlap the latter with a positive fit.