Flange surface roughness of the influence, especially sealing effect when using the soft cushion, seal surface coarse degree value big are caused by the leak is one of the main reasons why.
法兰表面粗糙度对密封效果影响很大，特别是当采用非软质垫片时，密封表面粗糙的度值大是造成泄露的主要原因之一。
It may be used effectively in deburring, reducing the value of surface roughness, chamfering. improving conditions of surface residual stress and surface hardness and reducing greatly microdefects.
它的使用可以有效地去除毛刺，降低表面粗糙度值，棱边倒圆，改善表面残余应力状况，提高表面硬度，大幅度减少微观缺陷。
It means that in rough lapping the value of machined surface roughness can be reduced with lapping pressure increasing.
也就是说粗研时增大研磨压力可减小工件已加工表面粗糙度值。
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