Insulated and anticorrosive E-shaped silicon steel sheet and heating method thereof
A heating method and technology for silicon steel sheets, which are applied in transformer/inductor parts, magnetic materials, magnetic objects, etc., can solve the problems of complex manufacturing processes, waste, and large energy consumption, and improve insulation and corrosion resistance. Simple, energy-saving effect
Inactive Publication Date: 2017-03-08
徐君康
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Problems solved by technology
[0003] The traditional silicon steel sheet for motors has a C-shaped cross-section, which cannot make good use of the material during the production and cutting process, and the material discharge utilization rate is 100%, resulting in a lot of waste
At the same time, the insulation and anti-corrosion properties of the previous silicon steel sheet are poor; at the same time, the previous silicon steel sheet is produced by hot rolling process, which consumes a lot of energy, high cost, complicated manufacturing process and great waste
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[0016] see figure 1 and figure 2 , the present invention relates to an insulating and anti-corrosion E-type silicon steel sheet and a heating method thereof, which comprises a silicon steel sheet body 1, the thickness of which is 0.4-0.6mm, the silicon steel sheet body 1 is 2000m long, 1m wide, and the silicon steel sheet The main body 1 is E-shaped, and the surface of the silicon steel sheet main body 1 is coated with an insulating layer 2 and an anti-corrosion layer 3 in sequence.
[0017] The heating method of a kind of insulation and anticorrosion E-type silicon steel sheet is:
[0018] 1) Put the thin steel plate into the sealed heating furnace;
[0019] 2) Inject ammonia gas after sealing the heating furnace;
[0020] 3) Heating in gaps in the furnace, first heating to 640-655°C, keeping it for 3-5 hours, then stopping heating for 3-5 hours to cool down naturally, and then heating for 30-45 minutes, then stopping heating for 2-4 hours , and then heated for 10 to 20 ...
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The invention relates to an insulated and anticorrosive E-shaped silicon steel sheet. The E-shaped silicon steel sheet is characterized by comprising a silicon steel sheet body (1), wherein the thickness of the silicon steel sheet body (1) is 0.4-0.6mm, the length of the silicon steel sheet body (1) is 2,000m and the width of the silicon steel sheet body (1) is 1m; the silicon steel sheet body (1) is E-shaped; and the surface of the silicon steel sheet body (1) is sequentially coated with an insulating layer (2) and an anticorrosive coating (3). According to the insulated and anticorrosive E-shaped silicon steel sheet and a heating method thereof, a material can be well utilized in production and cutting processes; the utilization rate of material discharge is 100%; and no waste is caused. Meanwhile, a copper wire is wound into a gap in the silicon steel sheet; an AC magnetic field can be generated; and current is induced from a secondary coil. Meanwhile, the surface of each silicon steel sheet is coated with the insulating layer and the anticorrosive coating, so that the insulativity and the corrosion resistance of the silicon steel sheet are improved; and meanwhile, an improved heating method is adopted by the silicon steel sheet, the procedure is simple, energy is saved and the cost is relatively low.
Description
technical field [0001] The invention relates to a silicon steel sheet, in particular to an insulating and anti-corrosion E-type silicon steel sheet and a heating method thereof, belonging to the technical field of electromechanical. Background technique [0002] Silicon steel sheet is a kind of silicon-iron soft magnetic alloy with extremely low carbon content. Generally, the silicon content is 0.5-4.5%. Adding silicon can increase the resistivity and maximum magnetic permeability of iron. It is mainly used to make various transformers, motors and The iron core of the generator. [0003] The traditional silicon steel sheet for motors has a C-shaped cross-section, which cannot make good use of the material during the production and cutting process, and the material discharge utilization rate is 100%, resulting in a lot of waste. At the same time, the insulation and anti-corrosion properties of silicon steel sheets in the past are relatively poor; at the same time, the silico...
Claims
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Login to View More IPC IPC(8): H01F1/147H01F27/245C21D1/34
Inventor 徐君康
Owner 徐君康