作者: Joh Ebara , Yohei Miura , Takuya Uehara , Takuya Murata , Kazuhiko Kobayashi
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摘要: A driving-force transmitting member is formed of a material having linear expansion coefficient larger than that sleeve bearing, and Δx1>r1×Δt×a−R1×Δt×b satisfied, where R1 inner radius the r1 outer rotary shaft unit, Δx1 difference between at reference temperature, Δt maximum amount temperature change relative to b member.