... 螺旋升降椅 spiral swivel lifting chair 升降机螺旋 elevator screw 螺旋升降逆止阀 screwed swing check ...
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升降机螺旋上端套 upper elevator screw bushing
升降机螺旋开口环 elevator screw split ring
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轧辊轴 向调整由标准螺旋升降机实现；
The axial direction adjustment of the roller is realized by the standard spiral elevator;
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该设备采用封闭的立柱结构，通过力矩电机驱动的螺旋升降机提供所需的压力。
The machine adopts closed frame, electromotion handspide for generating pressing force and force motor etc.
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