It is unable to control the blank width ratio for a broad plate when it is compressed to take shape finally.

对宽板的最后成形锻造，料宽比是无法控制的。

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Simulations of blanks with different tool width ratio(TV/H) and blank width ratio (B/H) under two load situations are implemented.

分别在两种载荷情况下，对不同料宽比、砧宽比的拔长进行了模拟。

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Only when the blank width ratio is confined, can no crosswise tension stress forging be realized, regardless of flat platen stretching or the new FM forging method.

无论是平砧拔长还是新fm锻造法，都要对料宽比加以控制，才能实现横向无拉应力锻造。

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Only when the blank width ratio is confined, can no crosswise tension stress forging be realized, regardless of flat platen stretching or the new FM forging method.

无论是平砧拔长还是新fm锻造法，都要对料宽比加以控制，才能实现横向无拉应力锻造。

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