| 摘要 |
A composite rotor for caliper disc brakes and the like includes an outer friction portion having two ring sections, with a plurality of supports extending therebetween to fixedly interconnect the ring sections in a mutually parallel, spaced apart relationship defining a cavity therebetween. The ring sections have opposite friction surfaces which interface with associated friction members. The rotor also includes an inner hub portion having a central mounting section which mounts the same on a drive member, and a peripheral section cast into the cavity of the outer friction portion to integrally interconnect the inner hub and outer friction portions of the rotor with primarily mechanical bonds formed at an unfused interface.
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