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When the test piece is placed near a coil with alternating current
2021-07-21When the test piece is placed near a coil with alternating current, the alternating magnetic field entering the test piece can induce an eddy current (eddy current) flowing in the direction perpendicular to the excitation magnetic field in the test piece. A magnetic field opposite to the direction of the excitation magnetic field will be generated
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Special casting with natural mineral sand and gravel as the main modeling
2021-07-21Casting is a process in which metal is smelted into a liquid that meets certain requirements and poured into a casting mold. After cooling, solidification and cleaning, a casting with a predetermined shape, size and performance is obtained. Because the casting blank is almost formed, it can achieve the purpose of avoiding machining or a small amount of processing, reducing the cost and reducing the time to a certain extent.
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He believes that due to the impact of the financial crisis
2021-07-21Speaking of new energy vehicles, he believes that the current development focus of new energy vehicles is to accelerate the industrialization of hybrid vehicles and pure electric buses. Many thin-walled, accurate positioning
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which are divided into habitually according to the modeling method
2021-07-21Casting is a relatively economical method of forming blanks, and it can show its economy more for parts with complex shapes. Such as the cylinder block and cylinder head of car engine, ship propeller and exquisite artwork. Some parts that are difficult to cut, such as nickel-based alloy parts of gas turbines
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