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A laser cladding device and method capable of changing the uneven distribution of Gaussian light energy

A technology of laser cladding and energy distribution, which is applied in optics, optical components, metal material coating technology, etc., can solve problems affecting the quality of coatings, and achieve the effects of uniform spreading, improved bonding force, and uniform energy distribution

Active Publication Date: 2022-03-01
河北光束激光科技有限公司
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Problems solved by technology

[0004] The object of the present invention is to provide a laser cladding device that can change the uneven distribution of Gaussian light energy and its use method, so as to solve the problems existing in the above-mentioned prior art, and can solve the problem of the lack of fusion depth caused by the insufficient energy of the edge of the Gaussian light spot. A series of problems that seriously affect the quality of the coating, such as pores, cracks, and voids

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  • A laser cladding device and method capable of changing the uneven distribution of Gaussian light energy
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  • A laser cladding device and method capable of changing the uneven distribution of Gaussian light energy

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Embodiment Construction

[0029] 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.

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] The present invention provides a laser cladding device that can change the uneven distribution of Gaussian light energy, which is characterized in that it includes a QBH collimation system 1, a beam splittin...

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Abstract

The invention discloses a laser cladding device and method capable of changing the uneven distribution of Gaussian light energy, including a QBH collimation system, a beam splitting reflection device, a focusing device and a powder feeding device; the QBH collimation system is arranged on the beam splitting reflection device Directly above; the focusing device is set on the side of the beam splitting reflector; the center of the powder feeding device is on the same axis as the center of the QBH collimation system and the beam splitting reflector, and is set under the beam splitting mirror. The energy distribution of the spot formed by this technology is uniform, and the width of the molten pool is very close to the diameter of the spot during cladding. The coating spreads evenly and the bonding force is effectively improved. The invention effectively solves a series of problems that seriously affect the quality of the coating, such as overlapping air holes, cracks, and cavities caused by insufficient energy at the edge of the Gaussian light spot to form penetration.

Description

technical field [0001] The invention relates to the technical field of laser cladding, in particular to a laser cladding device capable of changing the uneven distribution of Gaussian light energy and a method for using it. Background technique [0002] The energy distribution of the fiber laser spot is Gaussian. The center energy of the spot is high and the edge energy is low. During the cladding process, there is penetration in the center and no penetration in the edge. The use of security poses hidden dangers. [0003] Therefore, it is urgently needed to design a laser cladding device that can make the spot energy distribution more uniform. Contents of the invention [0004] The object of the present invention is to provide a laser cladding device that can change the uneven distribution of Gaussian light energy and its use method, so as to solve the problems existing in the above-mentioned prior art, and can solve the problem of the lack of fusion depth caused by the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/09C23C24/10
CPCC23C24/10G02B27/0927G02B27/0977
Inventor 付保周程凯强杨君霞贾东森
Owner 河北光束激光科技有限公司
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