Method for spraying surface of engineering machinery covering part

A technology of surface spraying and engineering machinery, which is applied in the direction of surface coating liquid devices, special surfaces, coatings, etc., which can solve problems such as corrosion, surface coating peeling, time-consuming and production costs, and improve the spraying process. Efficiency, simplification of spraying process, and reduction of drying times

Inactive Publication Date: 2014-07-02
GANSU AGRI UNIV
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Problems solved by technology

In the actual production and use of construction machinery products, often because the surface spraying quality of construction machinery covering parts is unqualified, resulting in surface damage such as paint film peeling off or scratches on the surface of construction machinery product covering parts, these surfaces need to be reworked and cost a lot of money time and production costs, resulting in unn

Method used

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Experimental program
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Embodiment Construction

[0023] The entire spraying process is described in detail below.

[0024] Surface pretreatment:

[0025] Surface pretreatment, the purpose is to remove grease, scale and other dirt on the surface of the covering. The treatment method is: firstly block the processing holes, threaded holes, processed surfaces and other parts on the cover with rubber plugs, so as to prevent these holes or processed surfaces from being damaged by steel grit during the shot blasting process. Then transport the cover to the shot blasting room through the spreader, adjust the processing time of the shot blasting room, the speed of steel grit injection, the speed of shot blasting wheel, the impact energy of steel grit, the amount of steel grit shot, the power of shot blasting machine, the effective current, No-load current, full-load current and other buttons, and finally start the working button of the shot blasting cleaning room. The steel grit sprayed at high speed from different spatial angles ...

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PUM

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Abstract

The invention provides a method for spraying the surface of an engineering machinery covering part. Before a complete machine is assembled, spraying of parts covering the surface of a machine body is finished, and assembling of the complete machine is then performed. The method for spraying the surface of the engineering machinery covering part includes the specific steps of surface preprocessing, primer spraying, primer drying, puttying, finish paint spraying, finish paint drying and polishing. The method is characterized in that a corrosion-resisting coating is sprayed after surface preprocessing and before primer spraying. According to the method for spraying the surface of the engineering machinery covering part, the spraying efficiency of the covering part can be improved, the spraying quality is guaranteed, the dosage of primer is reduced, and the number of times of spraying finish paint is reduced.

Description

technical field [0001] The invention relates to a method for spraying the surface of a cover, in particular to a method for spraying the surface of an engineering machinery cover. Background technique [0002] Construction machinery is a kind of machinery that works outdoors. It has been exposed to harsh environments such as outdoor atmosphere and different water quality for a long time, and is subject to different degrees of corrosion in different regions and environments all the time, resulting in various " chronic disease" and "frequent disease". Construction machinery surface spraying is an important link in the manufacturing process of construction machinery products. The quality of anti-rust and anti-corrosion spraying is one of the important aspects of the overall quality of the product. The appearance quality of construction machinery not only reflects product protection and decoration performance, but also is an important factor that constitutes product value. In...

Claims

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Application Information

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IPC IPC(8): B05D5/00B05D7/24
Inventor 黄晓鹏万芳新杨传家吴劲锋同长虹贺志洋
Owner GANSU AGRI UNIV
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