Laser texturing method for plate welding machine box

A laser and engraving technology, which is applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems that the accuracy and consistency of parts cannot be guaranteed, it is difficult to ensure the accuracy of outline lines, and a large number of engraving templates, etc. , to achieve the effect of improving processing efficiency and dimensional accuracy, high degree of automation, and good processing quality

Inactive Publication Date: 2012-06-13
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the processed parts are in the shape of a conical surface, the operator accumulates a large error in the process of engraving and shape shifting; in addition, the processing efficiency of this method is low and the processing cycle is long; at the same time, the accuracy and consistency of the part size cannot be guaranteed. It is difficult to guarantee the accuracy requirements required by the contour line, and a large number of engraved templates are required

Method used

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  • Laser texturing method for plate welding machine box
  • Laser texturing method for plate welding machine box
  • Laser texturing method for plate welding machine box

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] A laser engraving method for a sheet welding casing, comprising the following steps:

[0020] Step 1: Apply a protective layer on the surface of the part;

[0021] The marking process is affected by the properties of the cover material, including reflectivity, absorption properties, thermal conductivity, color and surface finish of the workpiece. The laser must be absorbed to generate heat. If the material to be processed is highly reflective to the laser, it is necessary to increase the laser power and reduce the pulse frequency to obtain a higher peak power. For reflective materials, marking may not be possible at all. The thickness of the protective layer is generally selected from 10 μm to 50 μm, so that it is easy to cut through the protective layer during laser cutting without damaging the base material of the part; the protective layer used in this embodiment is AC850 glue.

[0022] Step 2: Select the laser parameters of the laser according to the thickness of ...

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Abstract

A laser texturing method for a plate welding machine box belongs to the technical field of material processing engineering, and is high in processing efficiency and short in processing cycle. The laser texturing method includes the steps: firstly, coating a protective layer on the surface of a part; secondly, selecting laser parameters of a laser device according to the thickness of the protective layer, performing parameter test cutting on a process side of the part, judging that the parameters are qualified if the protective layer is completely cut through without exposing base materials, judging that the parameters are unqualified if the protective layer is completely cut through while base materials are exposed and scratched, decreasing laser power and performing test cutting again until finding qualified parameters at the moment, judging that the parameters are unqualified if the protective layer is incompletely cut through, and increasing the laser power and performing test cutting again until finding qualified parameters at the moment; and thirdly, performing formal cutting according to the determined laser parameters in test cutting.

Description

technical field [0001] The invention belongs to the technical field of material processing engineering, in particular to a laser engraving method for a sheet welding casing. Background technique [0002] The surface of the part needs to be coated with a protective layer before laser engraving. The traditional engraving method is to use a pre-designed template (such as figure 1 , figure 2 As shown), use a scratch knife to clearly draw all the contour lines on the protective layer along the limited corrosion area, and the whole process needs to be done manually. Since the processed parts are in the shape of a conical surface, the operator accumulates a large error in the process of engraving and shape shifting; in addition, the processing efficiency of this method is low and the processing cycle is long; at the same time, the accuracy and consistency of the part size cannot be guaranteed. It is difficult to guarantee the accuracy required by the contour line, and a large nu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/36B23K26/18
Inventor 阚田田邱兆峰高献娟
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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