Toothed wheel for use as planetary gear in automatic motor vehicle transmission, has central hub made from metallic material, in particular steel, and base body made from high-strength, heatproof plastic provided with central hub

摘要

The toothed wheel (1) has a central hub (4) made from a metallic material, in particular steel. A base body (3) is made from a high-strength, heatproof plastic e.g. glass-fiber reinforced polyphenylene sulfide and polyetheretherketone, and is provided with the central hub.