Method for spraying EnSone ceramic on surface of heat dissipation strip of PTC heater

A technology of surface spraying and heat dissipation strips, which is applied to the device for coating liquid on the surface, pretreatment surface, coating, etc. It can solve problems such as damage to the quality of aluminum sheets, and achieve the effect of ensuring adhesion quality and long-term work.

Inactive Publication Date: 2019-04-05
镇江市天通新材料科技有限公司
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  • Application Information

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Problems solved by technology

However, due to the material of the heat dissipation strip of the aluminum heater, multiple high-temperature fixings can easily damage the quality of the aluminum sheet

Method used

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  • Method for spraying EnSone ceramic on surface of heat dissipation strip of PTC heater

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Embodiment Construction

[0008] The typical structure of the PTC heater cooling strip is shown in the figure. The overall dimensions are basically the same, but the lengths are different. Its main structure is made of aluminum alloy plate, which is relatively thin aluminum plate, which is easy to deform after being stressed. Therefore, this factor needs to be considered in the surface spraying process.

[0009] 1. Surface roughening----choose No. 60-100, such as No. 80 corundum, to sandblast the heat dissipation strip under appropriate air pressure. The surface roughness is about Ra10μm, which is the best. .

[0010] 2. Cleaning the surface and preheating - degrease the surface of the heat dissipation strip after sandblasting with hot water, dry it with hot air and adjust the surface temperature of the aluminum strip to 30-35°C.

[0011] 3. Spraying "liquid ceramics" --- choose the appropriate spraying method [manual spraying or automatic spraying], and spray "liquid ceramics" on the surface of the ...

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Abstract

The invention provides a method for spraying EnSone ceramic on the surface of a heat dissipation strip of a PTC heater. The method comprises the following steps that 1) surface texturing is performed;2) the surface cleaning-preheating are performed; 3) liquid ceramic is sprayed under the temperature condition, and the spraying thickness is 8-25 micron; 4) flow is performed, a workpiece is transferred to a leveling zone, and the environment temperature is kept at 35-40 DEG C; and 5) curing is performed, the flattened workpiece is transferred to a curing zone for curing, and cured for 360 minutes, the curing time ranges from 360-480 seconds, and the curing temperature is 150-180 DEG C. In the step 1), sand grinding are performed or No.60-No.100 emery is selected to carry out sand blasting treatment on the heat dissipation strip at a proper air pressure; and in the step 2), the heat dissipation strip is cleaned after sand blasting, surface degreasing treatment is performed, and hot air drying is performed while the temperature of the surface of the aluminum strip is adjusted to 30-35 DEG C.

Description

technical field [0001] The invention relates to a method for spraying paint on the surface, in particular to a method for spraying silvery ceramics on the surface of a PTC heater. Background technique [0002] Yingui Ceramics "Liquid Ceramics" (trade name: Yingui) is a kind of green environmental protection, full life cycle pure inorganic coating material with many excellent properties of ceramics and plastic deformation ability. It has acid and alkali resistance, salt spray resistance, super weather resistance, various colors, no aging and fading, high temperature resistance and non-combustion, ultra-high hardness (>9H), high strength and wear resistance, good flexibility, bendable, repairable, super self- Clean, non-leakage, antistatic, non-toxic and environmentally friendly. Through the original production process, it breaks through the existing chemical kinetic theory, and finally realizes the room temperature curing of silicon-based materials. The initial raw mater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/14B05D3/02B05D3/04B05D3/12
CPCB05D3/0254B05D3/0413B05D3/12B05D7/14
Inventor 关政孙家麟
Owner 镇江市天通新材料科技有限公司
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