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Steel casting detection method

A detection method and technology for steel castings, applied in the detection field, can solve the problems of low efficiency and low accuracy, and achieve the effects of improving accuracy and quality, fast detection, and solving inaccurate detection.

Inactive Publication Date: 2019-01-04
温州瑞尔金属制造有限公司
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Problems solved by technology

In the existing technology, when testing steel castings, the traditional detection mode is used, which is not accurate and inefficient

Method used

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Embodiment Construction

[0022] The present invention will be further described below in combination with specific embodiments.

[0023] The present invention proposes a kind of detection method of steel casting, comprises the steps:

[0024] S1: Select steel castings, and clean the surface of the steel castings several times to remove metal impurities on the surface, and then place them in a horizontal plane, ensuring that the steel castings have no inclination angle;

[0025] S2: Use the straight probe of the ultrasonic flaw detector to conduct ultrasonic flaw detection on the surface of the steel casting after processing in S1. The specific steps of flaw detection are as follows:

[0026] A. Place the straight probe of the ultrasonic flaw detector in the movable limit mechanism so that the straight probe is above the steel casting, and adjust the incident angle of the ultrasonic sound beam emitted by the straight probe of the ultrasonic flaw detector. The incident angle of the ultrasonic sound beam...

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Abstract

The invention discloses a steel casting detection method, which includes the steps of selecting a steel casting, placing the same on a horizontal plane without any inclination, performing ultravioletflaw detection on the surface of the steel casting through a normal probe of an ultrasonic flaw detecting machine, measuring thickness of different main parts of the steel casting through a thicknessmeasuring mechanism while keeping the error within 0.5cm and recording the part of which the thickness error is greater than 0.5cm, scanning the part of the steel casting through a hand-held three-dimensional laser scanner to form image, while generating a scanning model, comprehensively analyzing the scanning model and the original design drawing, and judging whether the steel casting is qualified or not according to the comprehensive analysis result and acceptance standards of steel castings in different shapes. The method is adaptable to detection of steel castings in different shapes, hasthe advantages of quick detection, high accuracy and convenience in detection, and overcomes the defect of poor accuracy of the conventional detection method.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a detection method for steel castings. Background technique [0002] Steel castings are parts made of cast steel, which have similar properties to cast iron but are stronger than cast iron. Steel castings are prone to defects such as air holes and inaccurate angle positioning during the casting process, and the casing may break during long-term use. Steel castings are the steel used to cast castings. A type of cast alloy. Cast steel is divided into three categories: cast carbon steel, cast low alloy steel and cast special steel. In the prior art, when testing steel castings, the traditional detection mode is adopted, and its accuracy is not high, and the efficiency is low. Therefore, we propose a detection method for steel castings. Contents of the invention [0003] The present invention proposes a detection method for steel castings to solve the problems raised in the ...

Claims

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Application Information

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IPC IPC(8): G01N29/04
CPCG01N29/04
Inventor 彭祥赞李作俊
Owner 温州瑞尔金属制造有限公司
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