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Universal Sheet Metal Testing Machine - Erichsen 142-40

Universal Sheet Metal Testing Machine – Erichsen 142-40

Universal Sheet Metal Testing Machine, Model 142-40 with electro-hydraulic drive, max. drawing force 400 kN and for pre-setting the blank holder pressure of 400 kN, for testing sheets and strips, fully automatic test sequence and switch off at specimen failure.

  • The operator’s controls are well arranged on the control panel
  • Electro-hydraulically driven operation
  • Automatic or manual control of test sequence
  • A programmable logic controller is used to control the functions of the machine
  • Sheet holder force, the drawing force, drawing punch stroke is digitally displayed
  • Cylinder head with bayonet lock allows tools to be changed quickly
  • Infinitely variable drawing speed
  • Cardanic drawing die retention

Possible Tests:

  • ERICHSEN Cupping Test
  • Deep Drawing Test at High Temperatures up to 550 °C/ High Temperature Facility up to 850 °C
  • Deep Drawing Cup Test acc. to Swift I (32 mm dia.)
  • Deep Drawing Cup Test acc. to Swift II (50 mm dia.)
  • Square Cup Test (40 x 40 mm)
  • Bore Expanding Test D, E, F (KWI Test)
  • High Temperature Forming Limit Curve (at temperatures up to 900 °C).
  • Bulge Test (50 mm dia. or 100 mm dia.)
  • Olsen Cupping Test
  • Nakajima Test for Determination of Forming Limit Curves
  • Marciniak Test for Determination of Forming Limit Curves
  • Waviness test
  • Hydraulic Bulge Test

Possible Standards:

  • ERICHSEN Cupping Test: ISO 8490, JIS Z-2247, EN 14-58, JIS Z-7729, EN 14-67, UNI 3037, EN ISO 20482, UNE 7080, BS 3855, GOST 10510, NF A 03-602, ICONTEC 21, NF A 03-652, SIS 11 26 35, ASTM E 643-84, SABS 0132-197,GB 4156-84
  • ERICHSEN Deep Drawing Cup Test: ISO 11 531, MSZ 5731-68, DIN 50 155, UNI 6124-67, EN 16-69, JIS Z 2249, GB/T 15825
  • Hole Expansion: D, E, F (KWI Test)
  • Nakajima Test for Determination of Forming Limit Curves acc. ISO 12004
  • Marciniak Test for Determination of Forming Limit Curves acc. ISO 12004
  • Waviness test acc. to PV 1054
  • ERICHSEN Cupping Test for Lacquer and Paint: DIN ISO 1520

Equipment & Software:

  • ErMES: Software and data acquisition system for acquisition of punch force, punch stroke and sheet holder force. This software also plots graphs such as Punch Force Vs. Punch Stroke.
  • 126 Plus: Automatic ear measuring device
  • HEXRASCAN: Camera and software system for automatic detection of crack, automatic test stop and measurement of Hole expansion ratio.
  • Hot Drawing Equipment: Ex-situ heating device for heating up to 550°C is available.
  • High Temperature Facility: A high temperature facility enables to characterize the forming behaviour of metal sheets at up 900 °C.
  • Equipment for High Speed Tests: To conduct a deep draw test with pre-selected speed (from 3 m/min to 25 m/min) and it is digitally displayed.
  • Tools: Exhaustive selection of tools and dies is available from Erichsen!

Note: Requirements of various other tests and standards could also be met. Please contact us for details.

Manufacturing Partner:

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Product Specifications

Parameter Value
Drawing Force 400 kN
Blanking Force 600 kN
Sheet Holder Force up to 220 kN
Drawing Punch Dia up to 75 mm
Drawing Punch Stroke approx. 120 mm
Blank Holder Stroke approx. 38 mm
Blank Diameter approx. 170 mm
Drawing Speed approx. 500 mm/min
Power Supply 7.5 kW / 400 V / 50 Hz