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Improved wheel painting process

A coating process and wheel technology, which is applied to the surface coating liquid device, coating, pretreatment surface, etc., can solve the problems of inconspicuous effect, chipped paint on the processing edge, and reduced processing efficiency, so as to improve the appearance quality , optimization of process parameters, and the effect of improving machining production efficiency

Active Publication Date: 2011-12-21
CITIC DICASTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the manufacturing process of fine car bright surface products: pretreatment-drying-dusting-curing-spraying paint-curing-machined car bright surface-pretreatment-drying-spraying transparent powder or transparent paint, among which during the machining process It is very easy for the wheel window color paint to be scratched and the paint on the processing edge to be chipped. In order to reduce these two types of defects, the feed rate and processing speed are usually adjusted in machining, and the number of processing times is increased, which leads to a decrease in processing efficiency and seriously affects the final appearance. Effect and production efficiency, but the effect is not obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: Improved wheel coating process, the specific process flow is: pretreatment-drying-spraying primer-curing-spraying color paint-spraying protective paint-curing-machined car bright surface-pretreatment-drying- Spray clear powder or clear varnish.

[0015] The primer spraying process is sprayed with an electrostatic spray gun, the voltage is 60KV, and the powder output is controlled at 10g / s to ensure excellent adhesion between coatings.

[0016] In the powder solidification process, the surface temperature of the workpiece is controlled at 180 degrees Celsius and kept for 8 minutes, so that the powder maintains a certain degree of flexibility and better interlayer adhesion.

[0017] The color paint spraying process is sprayed with an air spray gun, the paint output is controlled at 50cc / min, the atomization fan pressure is 2bar, the gun distance is 150mm, and the thickness of the upper edge of the window is guaranteed to be 10um.

[0018] The protective p...

Embodiment 2

[0023] Embodiment 2: Improved wheel coating process, the specific process flow is: pretreatment-drying-spraying primer-curing-spraying color paint-spraying protective paint-curing-machined car bright surface-pretreatment-drying- Spray clear powder or clear varnish.

[0024] The primer spraying process is sprayed with an electrostatic spray gun, the voltage is controlled at 70KV, and the powder output is controlled at 13g / s to ensure excellent adhesion between coatings.

[0025] In the powder solidification process, the surface temperature of the workpiece is controlled at 180 degrees Celsius and kept for 10 minutes, so that the powder maintains a certain degree of flexibility and better interlayer adhesion.

[0026] The color paint spraying process is sprayed with an air spray gun, the paint output is controlled at 80cc / min, the atomization fan pressure is 2.5bar, the gun distance is 180mm, and the thickness of the upper edge of the window is guaranteed to be 13um.

[0027] T...

Embodiment 3

[0032] Embodiment 3: Improved wheel coating process, the specific process flow is: pretreatment-drying-spraying primer-curing-spraying color paint-spraying protective paint-curing-machined car bright surface-pretreatment-drying- Spray clear powder or clear varnish.

[0033] The primer spraying process is sprayed with an electrostatic spray gun, the voltage is controlled at 80KV, and the powder output is controlled at 15g / s to ensure excellent adhesion between coatings.

[0034] In the powder solidification process, the surface temperature of the workpiece is controlled at 180 degrees Celsius and kept for 12 minutes, so that the powder maintains a certain degree of flexibility and better interlayer adhesion.

[0035] The color paint spraying process is sprayed with an air spray gun, the paint output is controlled at 100cc / min, the atomization fan pressure is 3bar, the gun distance is 200mm, and the thickness of the upper edge of the window is guaranteed to be 15um.

[0036] Th...

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Abstract

The invention discloses an improved wheel coating process which specifically comprises the steps of: pretreating, drying, bottom powder spraying, curing, colored paint spraying, masking lacquer spraying, curing, machining as well as lathing and polishing, pretreating, drying, and clear powder or lacquer spraying. According to the invention, spraying and curing process parameters are optimized so that the machining and producing efficiency of finish-turning and polishing a wheel is increased by one time, and the appearance quality is remarkably improved.

Description

technical field [0001] The invention relates to a coating process, in particular to an aluminum wheel coating process. Background technique [0002] At present, the manufacturing process of fine car bright surface products: pretreatment-drying-dusting-curing-spraying paint-curing-machined car bright surface-pretreatment-drying-spraying transparent powder or transparent paint, among which during the machining process It is very easy for the wheel window color paint to be scratched, and the paint on the processing edge to be chipped. In order to reduce these two types of defects, the feed rate and processing speed are usually adjusted in machining, and the number of processing times is increased, which leads to a decrease in processing efficiency and seriously affects the final appearance. Effect and production efficiency, but the effect is not obvious. Contents of the invention [0003] In order to overcome the deficiencies in the above processes, the present invention pro...

Claims

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Application Information

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IPC IPC(8): B05D1/38B05D1/02B05D1/06B05D3/00B05D3/02
Inventor 秦智伟冯亮张俊龙刘长材
Owner CITIC DICASTAL
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