通过有限元分析，研究了950开坯机压下系统球面轴承表面正压力的分布情况，并据此提出了相应的改进措施。
The positive pressure distribution on the bearing surface of screw down system of 950 primary mill was studied using FEM and the corresponding improvement way has been put forward.
可以工作在正压或负压下，简单的螺丝刀 调节，多种弹簧可选。
They work under pressure or suction. Simple screwdriver adjustment. Various springs available.
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