Electric arc spraying method
A technology of arc spraying and sandblasting, which is applied in the direction of coating, fusion spraying, metal material coating process, etc. It can solve the problems that metal wires are easy to be stained with oil, dust, uneven arc spraying layer, and reduce the effect of arc spraying, etc. , to achieve the effect of eliminating residual thermal stress, uniform and compact coating, and smooth outer surface of workpiece
Pending Publication Date: 2021-01-01
上海戎实喷涂机械有限公司
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Abstract
The invention relates to an electric arc spraying method. The electric arc spraying method comprises the following steps that S1, construction preparation is conducted; S2, pretreatment is conducted on the surface to be sprayed, specifically, sand blasting treatment is conducted on the surface of a workpiece through pneumatically-controlled sand blasting equipment, and the roughness of the workpiece reaches 90-120 microns; S3, pretreatment is conducted on a metal wire, specifically, the metal wire is cleaned through a rust remover, straightened through a straightening machine after being cleaned and dried, and polished after being straightened, so that the surface of the metal wire is smooth; S4, electric arc spraying is conducted; S5, coating hole sealing is conducted; and S6, coating inspection is conducted, specifically, the appearance surface obtained after spraying is inspected. According to the electric arc spraying method, the metal wire is cleaned, dried, straightened and polished before spraying, so that the outer surface of the workpiece obtained after spraying is smooth, a coating is uniform, flat and compact, the coating and a base body are well combined, bubbling, cracking, pitted surfaces and peeling are avoided, and accordingly the corrosion resistance and structural strength of the workpiece are improved.
Application Domain
Molten spray coating
Technology Topic
Corrosion preventionPre treatment +5
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Examples
- Experimental program(1)
- Effect test(1)
Example Embodiment
PUM
Property | Measurement | Unit |
Total thickness | 0.8 ~ 0.9 | mm |
Description & Claims & Application Information
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