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عمران::
واشر کروی
Probably the greatest has been the use of the spherically seated washer, Figure 2-1.
Spherically seated washer, sometimes referred to as a self-aligning washer.
Using a two-piece spherically seated washer will just about eliminate the problem of bolt alignment providing the angle does not exceed 7�.
� Spherically seated washers
� Using spherically seated washers to compensate for anchor holt, thread, or surface misalignment.
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