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)