Laser cladding device and laser cladding forming method
A laser cladding and laser beam technology, which is applied in the coating process of metal materials, coating, etc., can solve the problems of low inert gas concentration and gas waste, achieve the effect of isolating peripheral air, ensuring stability, and solving high costs
Active Publication Date: 2021-04-16
SUZHOU UNIV
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Problems solved by technology
Although the protective gas flow range of this method is large, the inert gas concentration is low, so a large protective gas flow rate is required to provide effective protection, and the gas waste is serious
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[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0030] It should be noted that terms such as "upper", "lower", "left", "right", "inner" and "outer" in the present invention are only used to describe the present invention with reference to the accompanying drawings, and are not used as limiting terms.
[0031] See Figures 1 to 4 , The laser cladding device shown in one embodiment of the present invention includes a shell 1 with a concentric cone structure, a powder feeding channel 2, an inert collimated gas channel 3, a laser beam channel 4 and An inert protective gas cover 5, the powder feeding channel 2 is arranged at the center of the housing 1, the inert collimated gas channel 3, the laser beam channel 4 and the in...
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The invention relates to a laser cladding device and a laser cladding forming method. The laser cladding device includes a shell with a concentric cone structure, and a powder feeding channel, an inert collimated gas channel, and a laser beam are arranged in the shell. channel and an inert protective gas cover, the powder feeding channel is arranged at the center of the housing, and the inert collimated gas channel, laser beam channel and inert protective gas cover are arranged around the outer peripheral surface of the powder feeding channel in turn Above; the inert protective gas cover includes an air inlet surface, a side surface smoothly connected with the air inlet surface, and a bottom surface smoothly connected with the side surface, the air inlet surface is an inclined plane, the side surface is a curved surface, and the The bottom surface is a plane, and an air inlet is arranged on the air inlet surface. The laser cladding device and the laser cladding forming method can realize direct manufacturing of titanium alloy parts in air, as well as repair and strengthening of damaged parts.
Description
technical field [0001] The invention relates to a laser cladding device and a laser cladding forming method. Background technique [0002] Titanium alloy has excellent properties such as high strength, good corrosion resistance, and good low temperature performance, and has a wide range of applications in the aerospace field. Due to the metallurgical characteristics and material properties of titanium alloys, many difficulties are often encountered in traditional subtractive machining. Laser cladding forming is based on the principle of rapid prototyping, using high-energy laser to melt the synchronously conveyed metal powder, and completing the manufacturing of metal parts in a layer-by-layer accumulation method. The application of laser cladding forming method in the manufacture of titanium alloy parts has the advantages of high flexibility, one-time forming, and no need for molds. Titanium alloy has high temperature and active characteristics. When the temperature is hi...
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IPC IPC(8): C23C24/10
CPCC23C24/103
Inventor石世宏李刚程东霁张津超
OwnerSUZHOU UNIV