The smashing roller clearance adopts the fore-and-aft wheel acentric type adjustment, the roller center adjust agilely and simply.

粉碎辊间隙采用前后轮偏心式调节，辊轮中心调节灵敏、简单。

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Meanwhile, it puts forward the conception of Angle adjusting mechanism from the fact that the wheel clearance could lead the changes of phase-angle between two roller.

同时，针对由齿轮间隙引起的两冲辊之间(即凸、凹模之间)相位角的变化，提出设计角度调整机构的理念。

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For needle roller bearings without inner ring, a suitable internal clearance is achieved by selecting the appropriate tolerance for the raceway diameter.

对于无内圈滚针轴承，通过为滚道直径选择合适的公差，可得到合适的内部游隙。

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