Method for machining electromagnetic shielding plate for construction

A technology of electromagnetic shielding and processing methods, which is applied in the direction of construction, building structure, metal material coating technology, etc., can solve the problems of weak electromagnetic shielding function, troublesome installation process, and increased cost of building materials, so as to reduce costs and shorten working hours Effect

Inactive Publication Date: 2006-09-06
JIANGSU AIFUXI NEW BUILDING MATERIALS
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Problems solved by technology

[0002] The existing building boards are usually cut and selected according to the size of the substrate, and then the surface of the substrate is treated with anti-oxidation and fire resistance, so that the building boards can meet the general requirements of the construction industry, but the electromagnetic shielding function of the building boards processed according to the current technology Weaker, when building panels are used to construct shielding walls, such building panels are usually installed on light steel keels to form wall panels, and shielding panels with electromagnetic shielding effects need to be installed on the inside and outside of the wall panels to form shielding Wall, its installation process is more troublesome, and will increase the cost of building materials

Method used

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specific Embodiment

[0016] According to the customer's order requirements for fiber cement boards and fiber reinforced calcium silicate boards (hereinafter referred to as substrates), firstly cut the substrates, the maximum size of the cut substrates is 3050mm*1220mm*(4~14)mm, and then spray the surface Choose 40#~80# abrasive belts for grinding and remove floating dust, the purpose is to roughen and clean the surface of the substrate, which is beneficial to the combination of the shielding coating and the substrate. The surface is then subjected to a thermal spray masking treatment. This method selects metal materials (such as copper, zinc, stainless steel, lead, etc.) that have a shielding effect on electromagnetic waves, and uses a spray gun to generate a short-circuit arc. The compressed air flow atomizes the molten metal wire or powder, accelerates the injection onto the surface of the pretreated plate, and controls the speed of movement to obtain the required thickness of 0.10-0.50mm with a...

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Abstract

The invention relates the electromagnetic screen plate processing method used for building, comprising the following step: cutting the base plate according to the requirement, then grinding the surface of the base plate, burring, melting the metallic material which possesses the electromagnetic screen with hot spraying equipment, carbureting the molten metallic material and spraying it to the surface of base plate, and forming the shielding layer on the surface of base plate. The shielding layer is made by the metallic material which possesses the electromagnetic screen, so it possesses the absorption effect to the electromagnetic wave energy. The electromagnetic screen plate can be directly installed on the light gage steel joist element to form screen wall, shortening the building work hour and reducing the cost.

Description

technical field [0001] The invention relates to a processing method for building boards, in particular to a processing method for building electromagnetic shielding boards. Background technique [0002] The existing building boards are usually cut and selected according to the size of the substrate, and then the surface of the substrate is treated with anti-oxidation and fire resistance, so that the building boards can meet the general requirements of the construction industry, but the electromagnetic shielding function of the building boards processed according to the current technology Weaker, when building panels are used to construct shielding walls, such building panels are usually installed on light steel keels to form wall panels, and shielding panels with electromagnetic shielding effects need to be installed on the inside and outside of the wall panels to form shielding Wall, its installation process is more troublesome, and will cause the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/00C23C4/04E04B1/92C23C4/06C23C4/131
Inventor 朱家振蔡羽
Owner JIANGSU AIFUXI NEW BUILDING MATERIALS
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