Method for producing non-orientation electric steel plates with insulation coatings
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BAOSHAN IRON & STEEL CO LTD
- Publication Date
- 2007-01-31
Smart Images
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Abstract
Description
Technical field
[0001] The invention relates to a method for manufacturing a non-oriented electrical steel sheet with an insulating coating. Background technique
[0002] Usually, the rolled hard coils of electrical steel go through a continuous annealing unit, rinsed with water and dried in the post-cleaning section, and then directly enter the coating unit, and then are coated and baked on the electrical steel substrate according to the previous semi-organic insulating coating film forming method. Obtain finished electrical steel plates.
[0003] As shown in Figure 1 below, the process flow for producing electrical steel in the prior art is: rolling hard coil โ pre-cleaning โ continuous annealing โ post-cleaning โ coating โ drying and baking โ finished coil.
[0004] The process conditions for each step of the above process steps are as follows:
[0005] The first step is to roll hard coils. The thickness of the hard-rolled coil that has been cold-rolled by the cold tandem mill...