工作台主轴用长支承距上下两端各一套双列短圆住滚子轴承，保证在高处加工亦能在高精度下平稳的工作。
Supported by a long table spindle from the upper and lower ends of a double row of the short-lived circular roller bearings to ensure that height in the high-precision machining can under steady work.
上下轴用滚珠轴承支承，同步齿形带传动。
The arm shaft shaft and hook shaft are supported by ball bearings.
同时，设在上下支承辊装置侧面或机架上的压紧缸、腰块上的移动缸可实现轧辊轴承座与机架间的无间隙轧制。
In addition, using the hold down cylinder, the waist block and the shift cylinder can realize gap-less rolling.
链结子为换向机构，具有滑动轴承功能，并联循环链和主传动链，把循环运动变为上下往复运动。承载链直接承受平衡载荷，可大幅度减小主传动链的受力。
The chain link is the reverse mechanism, functions as sliding bearing and makes the cycle chain and main drive chain parallel to change the circulation into reciprocation.
电机上下导轴承磨损极限，要更换轴承；转子上下轴套偏磨极限，要更换轴套；
Motor upper and lower guide bearing wear limit, to replace the bearings, rotor shaft eccentric wear limit, to replace bushings;
电机上下导轴承磨损极限，要更换轴承；转子上下轴套偏磨极限，要更换轴套；
Motor upper and lower guide bearing wear limit, to replace the bearings, rotor shaft eccentric wear limit, to replace bushings;
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