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successful performance

作者:本站    来源:原创    时间:2016-09-14     浏览量:6139

electromagnetic stirrer different mounting positions for different blank shape metallurgical results achieved are different.

in terms of the radius of the blank:

* mold electromagnetic stirring almost all projects have a role, and therefore the most used.
* solidification - ems - ems generally used in conjunction with special needs to improve in high alloy steel, high carbon steel center segregation and center when using the maximum shrinkage.
*, so the same with very little but not as mold electromagnetic stirring and mold electromagnetic stirring in the secondary cooling zone.
on the slab in terms of:
* mold electromagnetic stirring effect of generous than small slab of less than 4 obvious, can effectively improve the surface quality of the slab, the internal inclusions and bubbles.
* casting mold electromagnetic flow control (including electromagnetic brake, electromagnetic acceleration, deceleration electromagnetic, fc mold) all have a role precursor form, can significantly improve the surface quality of the slab, the internal inclusions and bubbles.
* secondary cooling zone of electromagnetic stirring using the most suitable slab linear mixing method, a substantial increase in the range of stirring, which can be very significant improvement in the slab internal cracks, center segregation, a substantial increase equiaxed rate, so the most used.

a low magnification photograph:

       no agitation (billet)                   have stirred (billet)                     without stirring (billet) 

         a stirring (billet)                       was stirred (round billet)          with a stirring (round billet) 

   without stirring (round billet)      with a stirring (round billet end)   with a stirring (round billet end)

                no agitation (slab)                                              a stirring (slab secondary cooling zone) 

      a stirring (slab secondary cooling zone)
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