Torsion testing machine NJS-X series

automaticfor metal wireelectromechanical

NJS-10X series Metal Wire Torsion Tester is used to execute metal wire torsion test, measure the metal wire endure of plastic distortion ability in single or double direction torsion condition; check the surface or internal defect. ISO 7800 Metallic materials -- Wire -- Simple torsion test; ISO 9649 Metallic materials -- Wire -- Reverse torsion test; ASTM A938 Standard Test Method for Torsion Testing of Wire; GB/T 239 Main Application: Steel: steel wire, steel rod, steel rebar; Copper: copper wire, copper rod, copper alloy Aluminum: Aluminum wire, aluminum rod, aluminum alloy; Other metal: Rod, glass steel, alloy steel etc. Principle: A test piece of wire is twisted a specified number of turns through 360° around its own axis in one direction, and then a specified number of turns through 360° in the opposite direction.