| 摘要 |
The invention relates to a wheel body for carriages or other vehicles which are used, inter alia, in roller-coasters and other installations of amusement parks, said wheel body being made of a casting alloy which, expressed in percentages by weight, comprises the following elements: Al > 94.000 Mg > 4.500 Si < 0.100 Cu < 0.015 Fe < 0.100 Mn < 0.007 Ti < 0.025 Zn < 0.050 Sn < 0.010. In the second instance, the present invention relates to a method for fabricating a wheel body, said wheel body being fitted with a running tread of plastic such as polyurethane. <IMAGE> |
