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Shanghai Allmarine Industry Co.,Ltd.
16-58 Chenbao Road, Malu Industry Park, Jiading Dist., Shanghai City,China.
Tel +86 21-59152099
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Fax +86 21-59152055
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Coating operation for airless paint sprayer
7/26/2012 7:00:32 PMCoating operation, the operation of spray gun, spray gun operation is
used improperly, can cause the coating coating defects, coating coating
defects are mainly three aspects: First, uneven coating, mainly for
Jiecha traces coating colors are inconsistent, smooth coating and poor
degree. Second, the coating is too thick, mainly for the sagging, the
coating surface is dry and deep quit coated crust phenomenon. Third,
the coating is too thin; mainly by the number of times of conventional
spray coating, the coating of less than the required thickness. Airless
spray machine gun operation the main attention to two issues:
1.Away from the gun: the gun known as the gun away from the mouth and the distance of the painted surface, appropriate gun away from the 300 ~ 400mm. Gun away from the spray pressure is too large, recoil, prone to uneven coating phenomenon, and spray (fan width), so that excessive coating material local spray material, the coating is too thick. Gun away from the airless paint sprayer pressure loss, the paint is easily lost, and the spray rate is too large, so be coated to local spray material is too small, the film reach the thickness required.
2.Spray fan angle: spray fan with the painted surface is perpendicular to each other, manual spray gun, to pay attention to each of the spray width is not too large, otherwise the handling will cause significant changes in spray fan angle, resulting in uneven coating.
1.Away from the gun: the gun known as the gun away from the mouth and the distance of the painted surface, appropriate gun away from the 300 ~ 400mm. Gun away from the spray pressure is too large, recoil, prone to uneven coating phenomenon, and spray (fan width), so that excessive coating material local spray material, the coating is too thick. Gun away from the airless paint sprayer pressure loss, the paint is easily lost, and the spray rate is too large, so be coated to local spray material is too small, the film reach the thickness required.
2.Spray fan angle: spray fan with the painted surface is perpendicular to each other, manual spray gun, to pay attention to each of the spray width is not too large, otherwise the handling will cause significant changes in spray fan angle, resulting in uneven coating.
