Electrical steel belt in the seam causes and measures: electrical steel weld quality optimization:

The production of electrical steel belt weld problems occur, resulting in product obsolescence, and in severe damage caused by roll, in addition to the bad welding, weld after rolling there were many small holes, affect subsequent production use. High Si content in steel, the phenomenon is more evident.

Weld belt of reasons:

1, serious adverse substrate flatness, resulting in missing butt weld strip.
2, strip welding, finishing ineffective, there is level at the weld, resulting in incentives.
3, the welding process and parameters unreasonable.
Measures:
1 to enhance detection of silicon content, silicon content electrical steel concern, according to Si content in a timely manner to adjust the welding parameters on welding.
2 drip function input. High levels of silicon electrical steel, the welding process, a large amount of oxide slag, you need to clear the drop of oil added to keep cleaned.
3 to enhance weld quality inspection, to prevent bad shape due to the reasons for the adverse weld the mill.
4 equipment to ensure that, before welding to ensure that the status and location of finishing back in good condition, bail welding electrode relative to the limit does not exceed the number.
5, the adjustment of welding parameters. When using the flash butt welding, should pay attention to voltage levels, flash time, the top length of the parameters, while the initial gap welding is welding control points should be precisely controlled in order to facilitate welding.
6 Annealing aspects. High silicon steel brittle, deformation in the cold when the strip substantially, resulting in welds prone to fracture, should be annealed carbon steel electrode, the weld extension to improve performance.

keywords: Copper Electrode