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Adjustable multi-path outer powder feeding frame for plasma spraying and spraying equipment

A plasma and adjustable technology, applied in coating, fusion spraying, metal material coating process, etc., can solve the problems of unfavorable coating preparation, high melting/gasification degree of metal materials, etc., achieve good reference significance, improve coating Layer-dependent performance, the effect of a simple structure

Pending Publication Date: 2018-08-14
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the two-way powder feeding frame is fixed, and the heat and force fields experienced by the ceramic / metal materials of the functional gradient coating are the same. Facilitate the preparation of coatings

Method used

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  • Adjustable multi-path outer powder feeding frame for plasma spraying and spraying equipment
  • Adjustable multi-path outer powder feeding frame for plasma spraying and spraying equipment
  • Adjustable multi-path outer powder feeding frame for plasma spraying and spraying equipment

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Embodiment Construction

[0024] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0025] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0026] As introduced in the background technology, there is a deficiency in the prior art that the position of t...

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PUM

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Abstract

The invention discloses an adjustable multi-path outer powder feeding frame for plasma spraying and spraying equipment. The adjustable multi-path outer powder feeding frame for plasma spraying and thespraying equipment solve the problem that the position of a powder feeding frame cannot be adjusted, the movement of multi-path powder feeding pipes in the axial direction and the radial direction ofa plasma spray gun is achieved through adjustable movement of adjusting rods and the powder feeding pipes, accordingly, the ceramic / metal molten state difference is reduced, and the comprehensive performance of a functional gradient coating is improved. According to the technical scheme, the adjustable multi-path outer powder feeding frame comprises a main frame connected with the spray gun, themain frame is connected with the multiple vertically-arranged adjusting rods capable of moving up and down, and the height positions of the multiple adjusting rods are different; and the lower portions of the adjusting rods are connected with the transversely-arranged powder conveying pipes capable of moving left and right.

Description

technical field [0001] The invention relates to the technical field of plasma spraying, in particular to an adjustable multi-channel external powder feeding frame and spraying equipment for plasma spraying. Background technique [0002] Plasma spraying technology uses a plasma arc driven by direct current as a heat source to heat materials such as ceramics, alloys, and metals to a molten or semi-molten state, and sprays them on the surface of the pretreated workpiece at high speed to form a firm surface coating. [0003] Functionally graded coating is a new type of composite coating in which two or more materials are compounded and the composition and structure change continuously. According to the material composition, it can be divided into metal / non-metal functionally gradient layer, non-metallic / ceramic functional gradient coating and many other types. Due to the continuous gradient change of the material, it has unique advantages in alleviating the difference in therma...

Claims

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Application Information

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IPC IPC(8): C23C4/134
CPCC23C4/134
Inventor 王黎明杜际雨李振李方义鹿海洋李剑峰张兴艺商建通
Owner SHANDONG UNIV
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