NOTICE: The dimensions shown on the attached dwgs for ball are the finished (after final machining) dimensions; your rough machined forging must guarantee these final dimensions.

注：附件球体图纸上的尺寸为机加工后的最终尺寸，你们的粗加工锻件必须保证这些最终尺寸。

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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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