| 摘要 |
PURPOSE:To reduce machining manhour as well as weight by constructing a rotor part and a hub part in an integrated form by casting. CONSTITUTION:In a rotor hub 6, a hub part 4 and a rotor part 5 are molded in an integrated form by means of casting. The sliding face and its vicinity of the rotor part 5 are provided with necessary characteristics as a brake member, while the other sites are made of a material having mechanically excellent properties. |
