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Automatic process control method for magnetic penetrant used in magnetic penetrant inspection has an arrangement where test piece does not come into physical contact with the penetrant
Automatic process control method for magnetic penetrant used in magnetic penetrant inspection has an arrangement where test piece does not come into physical contact with the penetrant
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机译:用于磁性渗透剂检查的磁性渗透剂的自动过程控制方法具有这样的布置,即试件不与渗透剂物理接触。
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摘要
For automatic testing of the magnetic penetrant, a test body (1) is used with artificial surface cracks (3). Magnetic penetrant is separated from the main circulation by a by-pass line (5) and fed over the test body to allow automatic process control. The line (5), made of quartz glass or similar, sits on top of the test piece so that crack indications form on the glass surface and can be viewed from above. Once the test piece (1) is demagnetized the penetrant flow within the test piece is sufficient to remove any crack indications. An Independent claim is made for a device for automatic process control of penetrant used in magnetic penetrant inspection.
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