Application:

The Cupping Testing Machine (Erickson 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. It conforms to ASTM E 643-78;

Features:

l Pre-loading test force: 10-25kN read & calibrate directly from meter.

l Testing load of cupping test can be displayed on LCD; the load value precision is Grade 1 class in the range of 600N to 60kN in real time.

l Resolution of Load Cell & electric signal is more than 1/100000, displacement is measured with raster & light resolution can be 1µm.

l Test speed from 2 mm/min to 20mm/min can be set freely with variable speed. Specifications of specimen can be input according to the real thickness. The system can be ready to for next test automatically.

l It can display test load of cupping test & cupping value.

Specifications:

l Thickness of sheet metal: 0.2-2mm

l Width of sheet metal: 90-100mm

l Stroke of punch: 40mm

l Max. clamping test load: 60kN

l Max. clamping load: 25kN

l Specifications of cupping grips

l Standard punch ball: φ20±0.05mm

l Standard pattern hole: φ33±0.1mm

l Standard fixed pattern hole: φ27±0.05mm

l Non-standard mould can be special ordered.

l Hydraulic oil: #N46 hydraulic oil

l Power: AC380V

Standard Configuration ：

l Main frame, including high precise & low noise lead screw, DC adjusting system & servo motor.

l Electric control amplifier & LCD (6.4in) controller

l Hydraulic clamping device & control system

l Accessories for cupping test: 1 set, which includes 1 pc. of punch, 1 pc. of pad mould & 1 pc of fixed pad.

Notes: For the test requirement up to 3 mm thickness sheets, then model GBS-100 is recommended, with test load around 70 to 80 kN.