Single-beam dual-spot composite energy field laser cladding head and its optical components
A technology of laser cladding and composite energy field, which is applied in optical components, optics, metal material coating technology, etc., and can solve problems such as high porosity, coarse crystal grains, and uneven cladding layer surface
Active Publication Date: 2020-09-01
NANJING ZHONGKE RAYCHAM TECH
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[0004] The purpose of the present invention is to provide a single-beam double-spot compound energy field laser cladding head, which divides the laser light source into two through the frustum semi-transparent mirror to form a stirring spot light path for molten pool stirring and a laser cladding head for laser cladding. The ring-shaped spot of cladding, laser cladding is carried out through the ring-shaped spot, and the stirring spot is used for molten pool stirring and dual-energy field remelting, which effectively solves the problems of high porosity, coarse grains, uneven powder melting and problems in laser cladding. The problem of uneven cladding layer surface
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[0041] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.
[0042] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
[0043] combine Figure 1-4 The structure example of the single-beam double-spot composite energy field laser cladding head ...
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The invention provides a single-beam double-spot compound energy field laser cladding head and its optical components, including a support frame defining a channel for the laser beam to enter; The transflector has a bottom surface that allows the laser beam to pass through and a side surface that reflects the laser beam; an annular reflector surrounding the outer side of the prism semi-transparent mirror; a first backing plate supporting the annular reflector; supporting the prism The fixed plate of the semi-transparent mirror; the sleeve bracket arranged under the fixed plate; the conical reflector arranged on the bottom surface of the sleeve bracket; the reflector which can be driven to rotate. The laser cladding head of the present invention has a laser stirring optical path and a laser cladding optical path. Through the laser cladding of the annular spot, the stirring spot is used for molten pool stirring and dual energy field remelting, effectively solving the problem of large porosity and high porosity in traditional laser cladding. Coarse grains, uneven powder melting and uneven cladding layer surface.
Description
technical field [0001] The invention relates to the technical field of laser cladding, in particular to a single-beam double-spot composite energy field laser cladding head. Background technique [0002] Laser cladding (Laser Cladding) technology is an emerging rapid prototyping technology. The powder material is sprayed on the surface of the cladding substrate by means of rapid powder feeding by a powder feeder, and at the same time, it is irradiated by laser to make it and a thin layer on the surface of the substrate at the same time. After melting and rapid solidification, a surface coating with extremely low dilution and metallurgical bonding with the substrate is formed, which can significantly improve the wear resistance, corrosion resistance, heat resistance, oxidation resistance and electrical properties of the base surface, thereby achieving surface modification or repair. The purpose of this not only meets the requirements for the specific properties of the materia...
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IPC IPC(8): C23C24/10G02B27/09
CPCC23C24/10G02B27/0927G02B27/0977
Inventor 唱丽丽邢月华邢飞蒋士春彭明新
Owner NANJING ZHONGKE RAYCHAM TECH