滚针离合器轴承是可单向传递轴和轴承座之间的扭矩，而反方向允许自由转动的一种复合功能轴承。
The needle roller clutch bearing is a kind of compound function bearing which transmits torque between the shaft and housing in one direction and allows free overrun in the opposite direction.
针对某行星变速机构复合排行星齿轮和滚针轴承进行了受力变形分析和损伤率计算。
The paper analyzed the deflection of a compound planetary gear set and calculated the damage percentage of its roller bearing.
研究目的：盘形滚刀是一种重要破岩刀具，主要用在掘进机(TBM)、复合式盾构及岩石盾构的刀盘上。
Research purpose: as a main tool to cut rock, disc cutter was mainly assembled on cutting wheel of TBM, mixed shield and rock shield.
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