Partial paint removing method, system and equipment for surface of part

A kind of parts and partial technology, applied in the field of partial paint removal on the surface of parts, can solve the problems of function development, effort, and inconvenient holding of parts without paint removal on the surface of parts, so as to achieve mobile operation friendly, convenient to carry sand and wipe, and hold Convenient and labor-saving effect

Pending Publication Date: 2022-07-15
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] 3. Use sandpaper to polish and repair, which is inconvenient and laborious to hold
[0014] Commercially available sand wipes are mainly used for rust removal on the surface of parts, and there is no function development for paint removal on the surface of parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] A method for partial paint removal on the surface of a part, comprising the following steps:

[0070] Identify, mark, and record areas of paint damage or suspected damage on parts;

[0071] Determine the thickness of the paint layer of the parts that need to be removed at the marked position;

[0072] Use the coating measuring instrument to detect the thickness of the paint layer; determine and mark the damaged area or suspected damage area of ​​the paint layer of the part through the vision module, specifically:

[0073] The vision module includes a camera and a database. The camera collects part pictures and compares them with standard parts in the database. The difference between the thickness and flatness of the collected pictures and the standard part pictures is determined as the damaged area of ​​the paint layer of the part or the suspected damaged area.

[0074] According to the thickness of the paint layer, determine the mesh number of the sand wiper;

[0075...

Embodiment 2

[0080] A method for partial paint removal on the surface of a part, comprising the following steps:

[0081] Identify and mark the damaged area or suspected damage area of ​​the paint layer of the part;

[0082] Use the coating measuring instrument to detect the thickness of the paint layer; determine and mark the damaged area or suspected damage area of ​​the paint layer of the part through the vision module, specifically:

[0083] The vision module includes a camera and a database. The camera collects part pictures and compares them with standard parts in the database. The difference between the thickness and flatness of the collected pictures and the standard part pictures is determined as the damaged area of ​​the paint layer of the part or the suspected damaged area.

[0084] Determine the thickness of the paint layer of the parts that need to be removed at the marked position;

[0085] According to the thickness of the paint layer, determine the mesh number of the sand ...

Embodiment 3

[0094] Partial removal of surface coating on alloy parts coated with HKW 201

[0095] 1. Visual inspection. Determine the damaged area of ​​the paint layer or the suspected damaged area of ​​the part, and mark it with a marker pen;

[0096] 2. The protection of the paint layer. Avoid large return strokes during the grinding process, expand the grinding range, or make the area of ​​the removed paint layer exceed the allowable repainting area, or make part of the paint layer thinner, which will affect the protection effect of the parts. The friction range needs to be guaranteed, and tapes or protective frames can be used for protection. .

[0097] For parts with better flatness, make an opening plate with the largest removal area, and the four sides of the opening of the plate form a wedge shape to prevent the formation of dead corners and sand scratches, and can better fit the surface of the parts;

[0098] For irregular part surfaces, tapes can be used to protect the parts ...

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Abstract

The invention discloses a partial paint removing method, system and equipment for the surface of a part. The method comprises the following steps that a part paint layer damage area or a suspected damage area is determined and marked; the paint layer thickness of the part needing paint removal at the marking position is determined; according to the thickness of the paint layer, determining the mesh number of sand wipers; before the sand wiper is used for polishing, a protection device is adopted for protecting a polishing area; polishing is started, the edges or corners are wiped through sand, and the protection area is repeatedly polished till the paint layer is removed and the part base body is exposed; and chippings generated by polishing are removed, and then protection treatment of a paint removing face is conducted. Compared with an original technological method using abrasive paper, the improved procedure can improve and make up the defects and defects of abrasive paper polishing and repairing, the main component of the sand wiper is synthetic rubber, the sand wiper has the effects of cleaning the part and removing dirt attached to the surface, and therefore the part polished and repaired through the sand wiper is better in surface cleanliness and better in polishing effect. And grinding materials and dust are not easy to leave.

Description

technical field [0001] The invention belongs to the technical field of paint removal on the surface of parts, and particularly relates to a method, system and equipment for partial paint removal on the surface of parts. Background technique [0002] For parts with protective paint layer, when the protective layer on the surface of the parts is partially damaged, local repair paint is required. In order to ensure the adhesion of the repair paint layer, the peeling and bulging paint layers around the damage need to be removed together. Grind the exposed substrate for oxidation treatment. [0003] Soft parts collide with hard objects, and it is impossible to determine whether the substrate is damaged. It is necessary to remove the paint layer for further observation. The process method of soaking and rinsing the whole part in chemical solution to remove the paint layer has a long cycle, which is not conducive to the smooth implementation of production and delivery. And there i...

Claims

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Application Information

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IPC IPC(8): B24B1/00B24B27/033
CPCB24B1/00B24B27/033B24B27/0092
Inventor 朱伟肖波罗翔樊立虎蒲胜利邢波焦倩马小慧
Owner AECC AVIATION POWER CO LTD
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