Erichsen cupping tester GBW-60B

for metal sheetscomputer-controlledhydraulic

The Cupping testing Machine ( Erichsen Tester ) is precise technology testing machine which is used for sheet metal & strip steel rolled stock etc. It can complete test of plastic deformation for sheet metal & strip steel rolled stock . Standard: It conforms to ASTM E 643-78 & GB4156-84 named Testing Machine for Metal Cupping test Specification: Specimen thickness • Standard 0.1-2mm,( Non-Standard 0.1-3mm) Max. Specimen Width • 100mm Max. Punch stroke • 60mm Clamping piston stroke • 19-21mm Max. Cupping Force • 60kN Max. Clamping Force • 25kN Test mold specifications (Standard) • Punch diameter:Φ20±0.05mm，cushion mold hole diameter : Φ33±0.1mm Fixed mold hole diameter: Φ27±0.05mm • Standard press mold hole diameter : Φ27±0.05mm; ( Non-Standard ) Test mold specifications (Non-Standard) • Punch diameter : Φ15±0.05mm , Φ8±0.02mm, Φ3±0.02mm Press mold hole diameter : Φ18±0.1mm, Φ10±0.1mm ,Φ3.5±0.1mm • Fixed mold hole diameter : Φ21±0.02mm ,Φ11±0.02mm , Φ5±0.02mm Display resolution • 0.01mm