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Erichsen Cupping Testing Machine

Model: GBW Series

Description:

GBW series Erichsen Cupping Testing Machine is designed on the basis of screw universal material testing machine. The Erichsen Cupping Tester is suitable for cupping test of metal sheet and strip steel rolled stock etc to evaluate the plastic deformation performance and ductility. The cupping test for metal sheet thickness range is 0.1mm to 5mm, Max. punching capacity is 300KN, and the pre-tightening device is optional either with hydraulic servo loading pump or manual loading pump.

Tel: +86-531-86510531Ext.9

Fax: +86-531-86510535

Email:sales@testingequipmentie.com

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Features
● Constant punching speed control, testing speed variable
● Constant clamping force by the Servo hydraulic cylinder, no slippage during the test
● High precision load cell for force measuring
● Photoelectric encoder for measuring the displacement of punching head
● High control accuracy and fast response to stop the punching head instantly
● Dual servo systems (punching & constant clamping force) integrated in one machine
● High automation: After setting the test parameter, the testing can be done with onclick.
Specification
Model GBW-100M GBW-100A GBW-300A
Max. Cupping Load 100KN 100KN 300KN
Load accuracy ±0.5%
Stroke speed 0.005-250mm/min
Speed accuracy ±0.5%
Thickness of sheet 0.1-2mm (standard) 2.0-3.0mm (non-standard) 0.1-2mm (standard) 2.0-5.0mm (non-standard)
Max. of sheet material 110mm 140mm
Die specification Punch ball: φ20±0.05mm Pattern Hole: φ33±0.1mm Fixed pattern hole: φ27±0.05mm Punch ball: φ20±0.05mm Pattern Hole: φ27±0.05mm Fixed pattern hole: φ33±0.1mm
Non-standard Die specification Punch ball: φ20, φ15, φ8mm Pattern Hole: φ40, φ21, φ11mm Fixed pattern hole: φ33, φ18, φ10mm Punch ball: φ20, φ15, φ8mm Pattern Hole: φ40, φ21, φ11mm Fixed pattern hole: φ33, φ18, φ10mm
Max. Clamping load 10kN manual 10kN close-loop 10kN close-loop
Cupping value resolution 0.01mm
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