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Process method of coating line

A process method and coating line technology, applied in the direction of surface coating liquid device, coating, electrolytic coating, etc., can solve the problem that the surface of the car cannot achieve anti-corrosion

Inactive Publication Date: 2019-03-19
NANTONG BEST MACHINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the above-mentioned problems that the existing automobile coating process cannot achieve the anti-corrosion effect on the automobile surface, it is now aimed to provide a method that can block the corrosive substances such as air and water from adhering to the automobile surface, so that the automobile surface can achieve anti-corrosion effect. Process method of coating line for corrosion effect

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  • Process method of coating line

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Embodiment approach

[0109] In further embodiments of the present invention, please continue to refer to figure 1 As shown, in step A2, also include:

[0110] Step A2.1: pre-degreasing the workpiece, removing oil from the outer plate of the workpiece, and heating the workpiece;

[0111] Step A2.2: Degrease the workpiece to remove oil from the workpiece.

[0112] In a further embodiment of the present invention, in step A3, also includes:

[0113] Step A3.1: Carry out the first water washing treatment to the workpiece, preliminarily remove the degreasing agent on the surface of the workpiece, and cool the workpiece to keep the temperature of the workpiece below 40°C; preferably, the first water washing treatment removes the degreasing agent on the surface of the workpiece Most skim fluids.

[0114] Step A3.2: Carry out a second water washing treatment on the workpiece to completely remove the degreasing agent on the surface of the workpiece, and cool the workpiece to keep the temperature of the ...

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Abstract

The invention discloses a process method of a coating line. The process method comprises a fore-treatment process, an electrophoresis process, a pretreatment process, a middle coating process and a finish paint process which are operated in sequence, wherein the fore-treatment process comprises the following steps of pre-washing, degreasing, water washing, surface adjusting, water washing, silanization and pure water washing treatment; the electrophoresis process comprises the following steps of cathode electrophoresis, secondary electrophoresis, ultrafiltration spray washing, ultrafiltrationimmersion washing, the pure water washing, electrophoresis drying, electrophoresis strong cooling, checking and finishing; the pretreatment process comprises the following steps of pasting shielding,spraying PVC, shielding removing, welding seam and gluing, glue drying and glue strong cooling treatment; the middle coating process comprises the following steps of middle coating wiping, middle coating paint spraying, middle coating flash off, middle coating drying, middle coating strong cooling and middle coating grinding treatment; the finish paint process comprises the following steps of finish paint wiping, finish paint spraying, finish paint flash off, finish paint strong cooling, finishing varnish spraying, finishing varnish, finishing varnish washing, finish paint strong cooling and overhauling. According to the method, air and corrosion substances such as water and the like can be prevented from being attached to the surface of an automobile, so that the surface of the automobileis enabled to have an anti-corrosion effect.

Description

technical field [0001] The invention relates to the technical field of automobile painting, in particular to a process method of a painting line. Background technique [0002] The purpose of automobile painting is to make the surface of the automobile (including parts) achieve the effect of anti-corrosion, protection and decoration, and to prevent corrosive substances such as air and water from adhering to the metal sheet, relying on the smoothness of the coating and the color and Gloss gives the car a beautiful appearance, but the car coating process in the prior art is simple, and cannot make the car surface achieve the anti-corrosion effect better. Contents of the invention [0003] Aiming at the above-mentioned problems that the existing automobile coating process cannot achieve the anti-corrosion effect on the automobile surface, it is now aimed to provide a method that can block the corrosive substances such as air and water from adhering to the automobile surface, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/00B05D7/00B05D3/00C25D13/22
CPCB05D3/002B05D5/00B05D7/544B05D7/546C25D13/22
Inventor 董卫红张江华邰国胜那文玉丁增明王长松殷文静董涛
Owner NANTONG BEST MACHINE CO LTD
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