A processing method for the heating plate of an energy-saving and high-temperature resistant rice cooker
A processing method and technology of heating plate, applied in the direction of electric heating plate heating arrangement, electric heating device, ohmic resistance heating, etc., can solve the problems of shortened life of electric cooker, high temperature of electric heating plate, fast heat dissipation speed, etc., and achieve strong high temperature resistance and suppression Bacteria effect, uniform elongation improvement, surface energy improvement effect
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Embodiment 1
[0016] A method for processing a heating plate of an energy-saving and high-temperature-resistant rice cooker, comprising the following steps:
[0017] (1) Add the mixed metal-non-metal material into the molten high-alumina cement, stir and mix evenly after melting completely, inject the molten liquid into the plate mold to cool and form, use a plasma knife to cut the plate into a size 0.1 beyond the size of the heating plate model % of the size, the trimmed edge is polished to obtain a disc with rounded edges and conforms to the size of the model, and then pressed into a base with a press, after the internal circuit is laid out, the cover plate with texture on the surface is pressed on the base;
[0018] (2) Heat the pressed heating plate to 600°C, after 2 low-temperature tempering treatments, the first treatment time is 6 seconds, quickly reduce the temperature of the heating plate to 400°C, keep it warm for 30 minutes, and spray water to cool it to 300°C, stagnate for 15 se...
Embodiment 2
[0024] A method for processing a heating plate of an energy-saving and high-temperature-resistant rice cooker, comprising the following steps:
[0025] (1) Add the mixed metal-non-metal material into the molten high-alumina cement, stir and mix evenly after melting completely, inject the molten liquid into the plate mold to cool and form, and use a plasma knife to cut the plate into a size 0.15 beyond the size of the heating plate model % of the size, the trimmed edge is polished to obtain a disc with rounded edges and conforms to the size of the model, and then pressed into a base with a press, after the internal circuit is laid out, the cover plate with texture on the surface is pressed on the base;
[0026] (2) Heat the pressed heating plate to 625°C, after 2 low-temperature tempering treatments, the first treatment time is 7 seconds, quickly reduce the temperature of the heating plate to 420°C, keep it warm for 35 minutes, and spray water to cool it to 320°C, stagnate for ...
Embodiment 3
[0032] A method for processing a heating plate of an energy-saving and high-temperature-resistant rice cooker, comprising the following steps:
[0033] (1) Add the mixed metal-non-metal material into the molten high-alumina cement, stir and mix evenly after melting completely, inject the molten liquid into the plate mold to cool and form, use a plasma knife to cut the plate into a size 0.2 beyond the size of the heating plate model % of the size, the trimmed edge is polished to obtain a disc with rounded edges and conforms to the size of the model, and then pressed into a base with a press, after the internal circuit is laid out, the cover plate with texture on the surface is pressed on the base;
[0034] (2) Heat the pressed heating plate to 650°C, after 2 low-temperature tempering treatments, the first treatment time is 8 seconds, quickly reduce the temperature of the heating plate to 450°C, keep it warm for 40 minutes, and spray water to cool it to 350°C, stagnate for 20 se...
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Abstract
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