Integral Flaw Detection Method of Aluminum Alloy Impeller

An aluminum alloy impeller, integral technology, applied in the direction of using radiation for material analysis, etc., can solve the problem of integral flaw detection of impellers that cannot be closed

Active Publication Date: 2018-09-18
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to provide an overall flaw detection method for an aluminum alloy impeller to solve the problem in the prior art that the overall flaw detection of a closed impeller cannot be carried out

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  • Integral Flaw Detection Method of Aluminum Alloy Impeller
  • Integral Flaw Detection Method of Aluminum Alloy Impeller

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Embodiment Construction

[0022] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0023] see figure 1 and figure 2 as shown, figure 2 The direction of the arrow in is the irradiation direction of X-rays. According to an embodiment of the present invention, a method for overall flaw detection of an aluminum alloy impeller is provided. The overall flaw detection method of the aluminum alloy impeller includes: step S1: preparing a solution, the attenuation rate of the solution to X-rays is consistent with that of the aluminum alloy impeller 10 to X-rays; step S2: laying the negative film 30 on the placement plane, and The container 20 with the solution is placed on the negative film 30 ; step S3 : place the aluminum alloy impeller 10 in the solution, and use an X-ray machine to irradiate the container 20 with X-rays to expose a...

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Abstract

The invention provides an overall flaw detection method of an aluminum alloy impeller. The overall flaw detection method of the aluminum alloy impeller comprises the following steps: step S1: preparing a solution, wherein the decay rate of the solution on X rays and the decay rate of the aluminum alloy impeller on the X rays are uniform; step S2: paving a film on a placement plane, and placing a container holding the solution on the film; and step S3: putting the aluminum alloy impeller in the solution, and irradiating the X rays on the container by using an X ray machine to expose and image on the film. The overall flaw detection method of aluminum alloy impeller according to the invention can be used for carrying out flaw detection on semi-open, semi-sealed and sealed aluminum alloy impellers, and moreover, the arrangement of the film in the entire flaw detection process is simple and quick, so that the flaw detection check rate of enterprises on the aluminum alloy impeller is improved.

Description

technical field [0001] The invention relates to the technical field of flaw detection of impellers, and more particularly, to an overall flaw detection method of an aluminum alloy impeller. Background technique [0002] At present, there are various types of compressors for commercial large-scale air conditioners, mainly screw and centrifugal compressors. The air conditioner with centrifugal compressor has great advantages in terms of energy saving, high efficiency and environmental protection. Among them, one of the most critical components in the centrifugal compressor is the impeller, and the manufacturing and inspection requirements of the impeller are very high. The raw material of the centrifuge compressor impeller is generally made of high-strength aluminum alloy. There are generally two methods for the manufacture of centrifuge compressor impellers: one is to finish machining aluminum ingots of a certain size, and the assembly can be solved by brazing; the other is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/04
Inventor 刘权刘桂平黄小伟陇忠云张辉鹏王朝羽
Owner GREE ELECTRIC APPLIANCES INC
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