四辊轧机工作辊轴承和支承辊止推轴承失效的主要原因是它们在工作中所受的轴向载荷过大。

The axial overload is the main factor which causes work roll bearings and back-up thrust bearings of four-high mill invalid.

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四辊轧机工作辊轴承及支承辊止推轴承失效的主要原因是轴向力过大。

The axial overload is the main factor which causes work roll bearings and back up thrust bearings of four high mill invalid.

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为了使止推块自动进出必须控制上支承辊的下降位置。

It is required for the position-controlled lowering of the BUR so that the thrust blocks can be automatically move in and -out.

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