EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of JIS C-2550-3 testing. JIS C-2550-3 specifies the method of measurement of the ac magnetic properties of electrical steel strip and sheet in the medium frequency range of 400 Hz to 10 kHz.
The purpose of this standard is to define terms and specify methods for measuring the magnetic properties of electrical steel strip.
The Epstein tester can be applied to test pieces from any grade of electrical steel strip. AC magnetic properties Under excitation conditions where the induced voltage is sinusoidal (hereinafter referred to as flux sinusoidal excitation conditions), the peak value of magnetic flux density and frequency are determined and measured.
The Epstein tester consists of a primary coil, a secondary coil and a test piece assembled as an iron core. Creates a no-load transformer.
The magnetic properties of electric steel sheets are deteriorated by a mechanical stress caused by cutting, punching, bending-forming. Stress relieving annealing is performed to remove this stress and restore the inherent good magnetic properties. Stress relief annealing can vary with the grade of manufacture and the type of annealing equipment.
EUROLAB assists manufacturers with JIS C-2550-3 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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