通过对锻造加热炉炉门破损原因的分析，制定了延长炉门使用寿命的技术措施，研制了密度低、抗热震性高的耐火浇注料。
Based on the damaging analysis of forge heating furnace gate, the technology measures are made to prolong the service life of the furnace gate.
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。
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.
对宽板的最后成形锻造，料宽比是无法控制的。
It is unable to control the blank width ratio for a broad plate when it is compressed to take shape finally.
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