computerized cupping testing machine

Description
Inquiry

1. introductions

The WTB-CUP series computerized cupping testing machine is a special designed machine for ductility test of metal sheets and strip materials. It meets with test method of GB4156 and ISO 20482 metallic materials— sheet and strip—Erichsen cupping test.

The WTB-CUP series computerized cupping testing machine adopts composite cylinder with hydraulic clamping and hydraulic stamping. It has functions of auto stop when crack occurs, easy and convenient to observe cracks; peak value record functions to record max. force and deformation depth; easy and convenient to change, install and uninstall test specimen and punch.

The cupping machine adopts electronic control mechanical loading, spoke load cell to measure force and high precise encoder to measure cupping value. Accuracy of cupping value can be 0.01mm and test force accuracy can be 1N. The whole test is controlled by computer software and the software can auto analyze test parameters.

2. specifications

No.	Item	Spec.
1	Test specimen thickness	0.5-2mm, can choose 2-3mm
2	Test specimen width	90-100mm, can choose 55-90mm,30-55mm
3	Stroke of punch	40mm
4	Clamp piston stroke	40mm
5	Punch force	60kN max.
6	Mac. Clamp force	10kN
7	Resolution of cupping value	0.01mm
8	Test speed	2-100mm/min
9	Test mould for specimen with width 90-100mm	Diameter of the spherical end of the punch: φ20±0.05mm bore diameter of the blank holder: φ33±0.1mm bore diameter of the die: φ27±0.05mm, φ40±0.05mm
10	Test mould for specimen with width 55-90mm	Diameter of the spherical end of the punch: φ15±0.02mm bore diameter of the blank holder: φ18±0.1mm bore diameter of the die: φ21±0.02mm
11	Test mould for specimen with width 30-55mm	Diameter of the spherical end of the punch: φ8±0.02mm bore diameter of the blank holder:φ10±0.1mm bore diameter of the die:φ11±0.02mm
12	Hydraulic oil	N46# hydraulic oil (prepared by client)
13	Outside dimension	700x560x1500mm
14	Voltage	AC220V/ AC380V
15	Weight	About 480kg