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Part atomization spraying process

A technology of atomizing nozzles and parts, applied in the field of penetrant flaw detection, which can solve problems such as misjudgment, surface defects, and incomplete removal of penetrant fluid from test pieces, etc., to reduce the probability of misjudgment, ensure accuracy, and reduce fluorescent traces The effect of chance

Pending Publication Date: 2020-08-21
江苏德意高航空智能装备股份有限公司
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AI Technical Summary

Problems solved by technology

[0003] At present, when performing fluorescent penetrant testing, due to the incomplete removal of the penetrating fluid of the test piece, especially the test piece with holes or blind holes, air film holes, etc., false fluorescent traces will remain on the surface of the test piece to form surface defects. Artifacts, leading to wrong judgments, thus affecting the accuracy of fluorescent penetrant testing

Method used

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Embodiment Construction

[0037] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0038] In addition, the terms "first" and "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, the terms "first", "second" are limited to A "second" feature may explicitly or implicitly include one or more of said features.

[0039] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. A connectio...

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Abstract

The invention relates to a penetration flaw detection technology, and discloses a part atomization spraying process. The process comprises: S1, performing penetration; to be specific, carrying out atomization spraying on the surface of a test piece to be detected to apply penetrating fluid; S2, removing superfluous penetrating fluid on the surface: removing superfluous penetrating fluid on the surface of the test piece to be detected; S3, performing drying; to be specific, dynamically purging and drying the surface of the test piece to be detected; S4, performing developing; to be specific, spraying a developing agent on the test piece to be detected; and S5, performing inspection: observing whether the surface of the test piece to be detected has defects or not under the irradiation of ablack light lamp. According to the invention, the judgment accuracy of the surface defects can be ensured.

Description

technical field [0001] The invention relates to penetration flaw detection technology, in particular to an atomization spraying process for parts. Background technique [0002] In the manufacturing industry, surface defects on the surface of raw materials and parts often make product quality unable to meet customer requirements. To detect these surface defects, fluorescent penetrant testing technology is widely used in the industry. Fluorescent penetrant testing refers to the application of penetrating liquid containing fluorescent substances on the surface of the flawed part, penetrating into the surface defects through capillary action, and then cleaning the excess penetrating liquid on the surface. Retain the penetrating liquid in the defect, and then develop the image. The typical imaging method is to spray uniform white powder on the surface of the flawed part, suck the penetrating liquid from the defect and spread it to the surface of the test piece. At this time, In ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/91G01N1/28G01N1/30G01N1/34G01N1/44G01N21/64G01N21/88
CPCG01N21/91G01N1/28G01N1/30G01N1/34G01N1/44G01N21/6456G01N21/8806G01N21/8851G01N2021/646
Inventor 丛长林
Owner 江苏德意高航空智能装备股份有限公司
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