Electrostatic powder spraying repair method based on three-dimensional modeling

A technology of electrostatic powder and repair method, which is applied in the direction of coating, liquid coating device on the surface, special surface, etc., can solve problems such as shedding, rough working surface, unevenness, etc., and achieve reliable work, ensure reliability and stability sexual effect

Inactive Publication Date: 2017-10-03
TIANCHANG JINLING ELECTRONICS
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  • Abstract
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Problems solved by technology

However, although the current electrostatic powder coating device has achieved the effect of uniform powder coating, no pollution and resour

Method used

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  • Electrostatic powder spraying repair method based on three-dimensional modeling
  • Electrostatic powder spraying repair method based on three-dimensional modeling

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] refer to figure 1 , an electrostatic powder spraying repair method based on three-dimensional modeling proposed by the present invention includes the following steps.

[0032] S1. Spray electrostatic powder on the workpiece to be processed, and take the sprayed workpiece as the detection target. In this step, the overall spraying of the workpiece is mainly carried out.

[0033] S2. Presetting a three-dimensional coordinate system, and establishing a spraying model in the three-dimensional coordinate system. The establishment of the spraying model lays the foundation for the detection of detection targets and the repair of unqualified workpieces.

[0034] S3. Laser scanning is performed on the detection target, and a solid model is established in a three-dimensional coordinate system according to the scanning result. Specifically, in this step, laser scanning is performed on the detection target by infrared rays to ensure scanning efficiency and accuracy.

[0035] S4...

Embodiment 2

[0049] The difference between this embodiment and embodiment 1 is that this embodiment replaces steps S8A, S8B, S8C and S8D respectively, and S81, S82, S83 and S84 in embodiment 1; In different ways, the repair target is compared with the spray model, and the repair path is drawn according to the comparison result.

[0050] Specifically, in this embodiment, the method of comparing the repair target with the spray model, and drawing the repair path according to the comparison result specifically includes the following steps.

[0051] S8A. Extract points on the surface of the sprayed model to establish a target mask, and extract points on the surface of the solid model to establish a solid mask.

[0052] S8B. The center points of the object mask and the entity mask are overlapped to obtain a point set between the entity mask and the object mask.

[0053] S8C. Using the center point of the damaged target as a reference, map the point set to the damaged target to form a repaired ...

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Abstract

The invention discloses an electrostatic powder spraying repair method based on three-dimensional modeling. A lost part on a repaired target is determined through three-dimensional modeling and model comparison, and the lost part is accurately positioned; and a repair path is built through the point coordinate set of the lost part relative to a solid model. The repaired target is automatically and intelligently repaired, work is reliable, and coating repair reliability and stability can be ensured.

Description

technical field [0001] The invention relates to the technical field of electrostatic spraying, in particular to an electrostatic powder spraying repair method based on three-dimensional modeling. Background technique [0002] Electrostatic powder coating is one of the major reforms in the coating process. It has developed rapidly with the characteristics of no pollution, resource saving and high efficiency. Electrostatic powder coating uses powder coatings to induce electrification under the action of high-voltage static electricity. Under the action, it is evenly adsorbed on the surface of the coated workpiece. However, although the current electrostatic powder coating device has achieved the effect of uniform powder coating, no pollution and resource saving, the working surface sprayed by it is rough and uneven, and often falls off. Therefore, many sprayed Artifacts need to be repaired. Contents of the invention [0003] Based on the technical problems existing in the ...

Claims

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Application Information

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IPC IPC(8): B05D5/00
CPCB05D5/005
Inventor 茆文斌
Owner TIANCHANG JINLING ELECTRONICS
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