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ERICHSEN CUPPING TESTING MACHINE
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The Erichsen Cupping Testing Machine is a specialized device used in materials testing, particularly for evaluating the formability and ductility of sheet metal materials. Named after the German engineer Erichsen, who developed the test, this machine plays a critical role in quality control and research and development in the metalworking and manufacturing industries. • Test Procedure • The test involves clamping a specimen of sheet metal between two plates. A spherical or hemispherical punch is then pressed into the sheet metal at a controlled rate. The punch deforms the material, creating a cup-like shape. The depth of the cup, measured when the first crack appears, indicates the material's ductility and formability. This depth is often referred to as the Erichsen Index or Erichsen Number. #ErichsenCuppingTest #MaterialsTesting #SheetMetal #Ductility #Formability • KeyFeatures • • ClampingMechanism: Securely holds the test specimen. • • PunchAndDie: Hardened steel punch creates a smooth, controlled deformation. • • MeasurementSystem: Digital systems provide accurate depth measurements. • • ControlSystem: Advanced models feature computerized controls for setting parameters and automating tests.
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