Cast iron surface painting process
A cast iron and process technology, applied in the field of cast iron surface painting technology, can solve the problems of low construction efficiency, achieve the effects of improving construction efficiency, reducing the number of times of painting, and reducing the amount of paint used
Inactive Publication Date: 2015-05-06
航天海鹰安全技术工程有限公司
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AI Technical Summary
Problems solved by technology
[0004] The technical problem to be solved by the present invention is: the construction efficiency of the cast iron surface painting process in the prior art is low
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0015] A cast iron surface painting process of the present invention will be described in detail below.
[0016] A kind of cast iron surface painting process of the present invention comprises the following steps:
[0017] step 1
[0018] Paint the first two coats of primer on the cast iron to ensure the airtightness of the cast iron surface and achieve waterproof and anti-fog functions: after the first coat of primer is completely air-dried, paint the second coat of primer, and record the air-drying time of the primer.
[0019] step 2
[0020] Paint the third primer after the second primer is completely air-dried; the primer air-drying time recorded in step 1 shall prevail. The strong adhesion of the primer, and then take a small amount of primer to fill the uneven place.
[0021] step 3
[0022] After all the primer has dried, paint the top coat.
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The invention belongs to the technical field of coating painting, and particularly relates to a cast iron surface painting process. The cast iron surface painting process comprises the following steps of painting cast iron twice with priming paint; after firstly-applied priming paint is thoroughly air-dried, painting the cast iron with priming paint for a second time; after the secondly-applied priming paint is thoroughly air-dried, painting the cast iron with priming paint for a third time; when the air drying degree of the thirdly-applied priming paint reaches 80%, utilizing a small amount of priming paint for filling-in; after all priming paint is air-dried, painting the cast iron with finishing coat. According to the invention, the technical problem of the cast iron surface painting process in the prior art that the construction efficiency is low is solved; the cast iron surface painting process has the advantages that the number of times of applying the priming paint is few, the construction time is reduced, the construction efficiency is improved, the usage amount of the paint is reduced, the paint cost is saved, and the emission of harmful substances is reduced.
Description
technical field [0001] The invention belongs to the technical field of paint painting, and in particular relates to a surface painting process of cast iron. Background technique [0002] The surface roughness of cast iron is different. In order to ensure the beauty and air tightness after painting, it is necessary to paint the primer before painting the top coat. The tackiness acts as a further link between the finish and the cast iron. [0003] In the prior art, the process method of painting the primer is mainly the brushing method, which can be applied to objects of various shapes, the tools are simple, and the construction is not limited by the site, but the brushing method is labor-intensive and the construction efficiency is low. It is difficult to apply volatile paints. Under normal circumstances, in order to ensure that the cast iron surface is completely leveled, the cast iron that has been preliminarily polished needs to be painted with primer 3 to 7 times. After...
Claims
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IPC IPC(8): B05D7/14
Inventor 杜越洋高少波刘宇薇尹盼春刘广力
Owner 航天海鹰安全技术工程有限公司