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Laser cutting anti-overburning process

A cutting process and laser cutting technology, applied in laser welding equipment, manufacturing tools, metal processing equipment, etc., can solve problems such as affecting cutting efficiency and unsatisfactory cutting effect, so as to ensure cutting efficiency, reduce heat impact, avoid Effects of overburning and melting gaps

Pending Publication Date: 2022-04-12
TAIER HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing laser cutting anti-overburning process basically pauses at the edge of the knife or at the corner, and then cuts, the cutting process will be suspended, affecting the cutting efficiency, and the cutting effect is not ideal at the same time

Method used

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  • Laser cutting anti-overburning process
  • Laser cutting anti-overburning process

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. The parts of the present invention that are not described in detail are known technologies of those skilled in the art.

[0023] Such as Figure 1-3 As shown, when the metal plate is cut by laser, the melting area 200 is easily formed by using the conventional cutting process on the edge and corner of the plate, resulting in overburning. pass Figure 1 to Figure 3 It can be seen that there are obvious concave gaps at the knife joint and corners, especially for...

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Abstract

The invention discloses an anti-overburning process for laser cutting, belongs to the technical field of laser cutting, and is suitable for reducing melting gaps caused by overburning due to excessive concentration of heat at a cutter connecting position and a corner in the laser cutting process. According to the laser cutting anti-overburning process, the cutting path of the plate is divided into the conventional process cutting section and the anti-overburning process cutting section, the conventional cutting process and the anti-overburning cutting process are adopted for cutting, and the conventional cutting process can meet product characteristics for normal cutting machining; according to the anti-overburning cutting technology, the laser energy at the cutter connecting position or the corner is reduced through the methods of reducing the cutting speed, reducing the duty ratio and frequency of laser pulses, turning off light in advance and the like, and the phenomenon of overburning during laser cutting at the cutter connecting position and the corner is effectively avoided.

Description

technical field [0001] The invention belongs to the technical field of laser cutting technology, and relates to a laser cutting anti-overburning technology, which is a technology for avoiding the overburning of the surface of the cutting material and the accumulation of molten metal on the surface of the cutting material due to the large amount of heat generated during laser cutting. Background technique [0002] When the laser cutting head cuts the metal sheet, sometimes the material is over-burned. This problem is mostly due to the fact that the laser cutting head generates a lot of heat during the cutting process, and the heat cannot be effectively diffused, causing the edge of the sheet to burn. melting phenomenon. In addition, in the cutting of thick plates, the molten metal accumulated on the surface of the material and the accumulation of heat generated during the perforation will cause the auxiliary air flow to be disturbed, and the heat input will be too much, which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/38B23K26/70
Inventor 李园园傅欢
Owner TAIER HEAVY IND
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