A material magnetic detection device and its testing method
A magnetic detection and testing method technology, applied in the direction of magnetic performance measurement, etc., can solve the problems that cannot be reflected by other materials, inconvenient parts measurement, complicated measurement process, etc., and achieve the effect of being easy to be widely used, easy to operate, and simple in structure
Active Publication Date: 2016-01-20
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology
However, the measurement process of the above method is complicated, and it is not convenient to quickly and effectively measure a large number of parts on the production line
[0003] Using a Tesla meter can measure the magnetic properties of magnetic materials, but its sensitivity to small parts is low, and it can only measure ferromagnetic and ferrimagnetic materials after magnetization, and cannot measure other materials. Effective reflection of features under strong magnetic fields
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[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0027] figure 1 It is a structural schematic diagram of the magnetic material detection device of the present invention; figure 2 for figure 1 Schematic diagram of the back structure of the magnetic material detection device.
[0028] See figure 1 The material magnetic detection device provided by the present invention comprises a main measuring board 1, a magnetic field source 5 and a suspension wire 6, and what the magnetic field source 5 adopts is a ring of neodymium-iron shed with holes or a cylindrical magnetic block of a standard brand, and its remanence is greater than 1.0T (Tesla), the main test board 1 constitutes the skeleton of the entire testing device and provides basic support for other components. It is preferably vertically fixed on the bottom plate 16, and the back of the bottom plate 16 and the main test board 1 is arranged at a ri...
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The invention discloses a material magnetism detection device and a test method thereof. The device comprises a main test plate, a magnetic field source and a suspension line, wherein a suspension line locating plate is fixed on the upper portion of the main test plate, a horizontal locating plate is fixed on the lower portion of the main test plate, a magnetic source limiting plate is fixed on the horizontal locating plate, the magnetic field source is fixed on the magnetic source limiting plate through an installation block, one end of the suspension line is fixed on the suspension line locating plate, the other end of the suspension line is connected with a part to be tested, and the length of the suspension line enables the part to be tested and the magnetic field source to be installed roughly in the same horizontal direction. According to the material magnetism detection device and the test method thereof, only the part to be tested is hung on the suspension line, the corresponding amplitude value of the part to be tested is read out, and whether the part to be tested has influence on zeugmatography can be judged. The material magnetism detection device is simple in structure, convenient to operate, and capable of being conveniently and widely popularized and applied.
Description
technical field [0001] The invention relates to a material detection device and a testing method thereof, in particular to a material magnetic detection device and a testing method thereof. Background technique [0002] As far as material magnetism is concerned, it is divided into five categories: 1. Paramagnetic, 2. Diamagnetic, 3. Antiferromagnetic, 4. Ferromagnetic, 5. Ferrimagnetic. The evaluation method of material magnetism is mainly to measure its magnetization curve and demagnetization curve, and the influence of temperature on its curve. However, the measurement process of the above method is complicated, and it is not convenient to quickly and effectively measure a large number of parts on the production line. [0003] Using a Tesla meter can measure the magnetic properties of magnetic materials, but its sensitivity to small parts is low, and it can only measure ferromagnetic and ferrimagnetic materials after magnetization, and cannot measure other materials. Eff...
Claims
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IPC IPC(8): G01R33/12
Inventor 贾东方
Owner SHANGHAI UNITED IMAGING HEALTHCARE