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Window Progressive Laser Cleaning Method

A laser cleaning and progressive technology, applied in the field of laser cleaning, can solve the problems of inability to adapt to the cleaning environment, inconvenient automatic control, etc., to avoid damage to the substrate, save control costs, and achieve the effect of good cohesion

Active Publication Date: 2022-08-09
咸亨电气技术(杭州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there are many types of attachments to be removed, such as rust, paint, stains, etc., and the surface conditions are relatively complicated, this method of testing threshold energy cannot adapt to complex cleaning environments, and it is inconvenient to combine with automatic control

Method used

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  • Window Progressive Laser Cleaning Method
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  • Window Progressive Laser Cleaning Method

Examples

Experimental program
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Embodiment Construction

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments. However, this should not limit the protection scope of the present invention.

[0032] The laser cleaning device in this embodiment is a laser marking machine, using a 1064nm fiber laser, the power is set to 50W, the cleaning speed is 4000mm / s, and the cleaning object is the rust on the surface of the steel plate. The specific steps are as follows:

[0033] 1) The first window cleaning: in the present invention, the line spacing is 20um, and the window length and width are 20mm and 2mm respectively, then the number of lines=window width / line spacing, which is 100 lines. Complete the cleaning of lines 1 to 100, done in a bow shape, such as figure 2 shown. In this embodiment, the line spacing of 20um is preferred, which can ensure that the contamination layer is completely cleaned and there is no residue. The size of the line spacing can be selected accord...

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PUM

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Abstract

A window progressive laser cleaning method, including S1, cleaning the first window, traversing line by line with the starting point of the area to be cleaned as the starting point of the first window; S2, starting with the second line of the first window, and continuing to traverse The same number of lines in S1; S3, take the line spacing as an interval, gradually increase the starting position, repeat steps S1 to S2, until the specified number of cleanings is traversed in the first window, and the cleaning of the first window is completed; S4, take the window width as interval, gradually increase the starting position, repeat steps S1-S3, complete the cleaning of all windows in the first column within the scanning width range; S5, take the window length as an interval, gradually increase the starting position, repeat steps S1-S4, complete the scanning width Cleaning of all windows within the range. The invention can realize um-level high-precision cleaning. When the cleaning equipment does not move, the cleaning of the area within the scanning width can be automatically completed.

Description

technical field [0001] The invention relates to a laser cleaning method, in particular to a window progressive laser cleaning method. Background technique [0002] Laser cleaning is a new type of cleaning technology that uses a high-energy laser beam to irradiate the surface of an object, so that the surface to be cleaned, such as rust, paint or stain layer, is instantly peeled off or vaporized, so as to achieve the purpose of cleaning. Laser cleaning has the characteristics of no grinding, non-contact, no thermal effect, and is suitable for objects of various materials, and is considered to be the most reliable and effective cleaning method. Traditional cleaning methods, such as high-pressure water column cleaning, mechanical cleaning, chemical cleaning, and ultrasonic cleaning, are costly, inconvenient to operate, and cause environmental pollution. [0003] When laser cleaning contaminants of different materials, the removal mechanisms are different, including gasificatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B7/00B08B13/00
CPCB08B7/0042B08B13/00
Inventor 施蕾刘鑫吕德亮
Owner 咸亨电气技术(杭州)有限公司
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