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A coating protection method of variable thickness paint

A technology of variable thickness and coating, applied in the direction of coating, liquid coating device on the surface, etc., can solve the problems of long production cycle, low production efficiency, tape pollution, etc., and achieve a wide range of implementation and large differences in the appearance of multiple structures Effect

Active Publication Date: 2020-12-29
XIAN AIRCRAFT IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method results in long production cycle and low production efficiency
If the protection is carried out directly on the surface-treated parts, it will cause tape pollution on the surface and reduce the bonding force of the product coating

Method used

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  • A coating protection method of variable thickness paint
  • A coating protection method of variable thickness paint

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Experimental program
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Embodiment Construction

[0017] The specific implementation manners are further described below in conjunction with the accompanying drawings.

[0018] The invention comprises: a bracket 1, a workbench 2, a clip 3, a plastic protective film, and a plastically deformable metal wire 5.

[0019] Before coating is applied:

[0020] a) According to the size of the parts to be protected and the size of the workbench, use the existing and plastically deformable metal wire 5, take the plastically deformable metal wire 5 as the axis, wrap the plastic protective film around the axis for about 2 weeks, heat seal and fix it with a hair dryer, and make One side plastically deformable plastic film 4 larger than the size of the workbench;

[0021] b) Place the paint spraying workbench 2 on the support 1 according to the conventional paint coating preparation method;

[0022] c) According to the position of the parts to be protected, place the parts 6 on the workbench 2, and use the clip 3 to assist the plastic fil...

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PUM

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Abstract

The invention provides a variable-thickness coating protection method. The variable-thickness coating protection method comprises a support, a workbench, a clamp, a plastic protection film and a plastic deformation metal wire, wherein the plastic deformation metal wire is taken as a shaft, the plastic protection film winds the shaft for 2 circles, and a single-side plastic deformation plastic filmlarger than the size of the workbench is manufactured; a part is placed on the workbench, the single-side plastic deformation plastic film is assisted by a clamp, effective protection is implemented,and the single-side plastic deformation plastic film is located at a variable-thickness and color-changing protection area; and after the first layer of thickness coating is coated, the single-side plastic deformation plastic film is removed, the second-layer coating is sprayed on the part directly, and the variable-thickness spraying on the part is achieved.

Description

technical field [0001] The invention relates to a protection method and tooling for a variable-thickness coating part, which is used for protection during variable-thickness spraying of the same kind of paint or different kinds of paint. Background technique [0002] In aviation and other fields, due to the requirements of anti-corrosion function and appearance marking, the thickness and color of part coatings have different engineering requirements. The special requirements of this selective area paint must be protected by protective tooling to achieve non-painted areas. [0003] At present, in the spraying protection of the whole part, the common protection method is to use adhesive tape to bond plastic film, kraft paper, etc. to the part for protection. For the spraying method with variable thickness requirements, first apply a layer of paint, and after curing to the time for tape application, implement protection and apply a second layer of paint. This mode results in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D1/32B05D1/36B05D7/00
CPCB05D1/325B05D1/36B05D7/52
Inventor 盛永清王浩军朱增辉
Owner XIAN AIRCRAFT IND GROUP
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