Inert atmosphere protecting chamber of laser solid forming equipment

A technology of laser three-dimensional forming and inert atmosphere, which is applied in the direction of improving process efficiency and energy efficiency, can solve the problems of large volume of protection room, increased processing cost, inconvenient operation, etc., to simplify the operation process, improve work efficiency, The effect of shortening the preparation time

Active Publication Date: 2014-07-02
AECC AVIATION POWER CO LTD
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Problems solved by technology

The disadvantages are: first, the volume of the protection chamber is large, the preparation time is long when forming or repairing small parts, the work efficiency is low, and the gas consumption is large, resulting in waste of inert gas and increasing processing costs
Second, if there is a problem during the processing, the atmosphere protection room must be opened to adjust the equipment, which is particularly inconvenient to operate

Method used

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  • Inert atmosphere protecting chamber of laser solid forming equipment

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Embodiment

[0011] Laser cladding CoCrMo hard alloy layer is carried out on the turbine blade of a certain type of engine. The material of the turbine blade is DZ125 alloy. 1.2mm. The positioning tool is placed in an inert atmosphere protection room, the blade is installed on the positioning tool, and the plastic bag 5 is bound on the laser nozzle by plastic tape. Pass the air intake pipe through the hole of the plastic bag and the hole of the light-shielding tube into the inside of the light-shielding tube. Turn on the argon gas source before processing the parts, set the argon pressure at 0.2Mpa, inflate the inert atmosphere protection chamber for at least 10 minutes, and then process the parts.

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Abstract

The invention belongs to the laser forming and recovering technology, and relates to an inert atmosphere protecting chamber of laser solid forming equipment. The inert atmosphere protecting chamber comprises a rotary workbench (1), a laser nozzle (2) and a gas inlet pipe (3). The inert atmosphere protecting chamber is characterized in that a soft protecting mechanism comprising a shading cover (4), a plastic bag (5) and a shading cylinder (6) is provided. The inert atmosphere protecting chamber of the laser solid forming equipment is adaptive to meeting the processing requirements of small-size parts, preparing time is shortened greatly, working efficiency is improved, usage of inert is saved, processing cost is reduced, and operating processes are simplified.

Description

technical field [0001] The invention belongs to laser forming and repairing technology, and relates to an inert atmosphere protection room of laser three-dimensional forming equipment. Background technique [0002] Laser forming and repair technology uses high-energy laser beams to locally melt the metal surface to form a molten pool, and simultaneously uses a synchronous powder feeding device to send metal powder into the molten pool at a certain powder supply speed, rapidly melts and solidifies, and passes through the layers of points, lines, and surfaces. Layers are superimposed to form a three-dimensional solid. In order to prevent alloy oxidation during laser forming and repairing, laser forming and repairing equipment must be equipped with an inert atmosphere protection device mainly composed of argon. The currently used atmosphere protection chamber is a closed chamber made of a metal plate: the movement system of the entire machine tool is completely enclosed in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105
CPCY02P10/25
Inventor 王辉明朱红钢耿军儒温嵘杨明芸尉秧李文涛魏颖
Owner AECC AVIATION POWER CO LTD
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