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Universal Sheet Metal Testing - Erichsen 142-20 Basic

Universal Sheet Metal Testing – Erichsen 142-20 Basic

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Universal Sheet Metal Testing Machine, Model 142-20-Basic comes with an electro-hydraulic drive, max. drawing force 200 kN and holder force of max.100 kN. It is ideal for testing sheets and strips and has a fully automatic test sequence and switch off at specimen failure.

It consists of a solid housing made of high-strength steel into which the test aggregate (test cylinder with work piston, sheet holder plate and die) are integrated.

  • 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.
  • The tools required for each individual test can be changed quickly.

Possible Tests:

  • ERICHSEN Cupping Test
  • Deep Draw Cup test (at temperatures up to 550 °C)
  • Deep Drawing Test with Blank Holder Quick Release (for Earing Test)
  • Deep Drawing Test with Preselected Punch Stroke
  • Square Cup Test
  • Bore Expanding Test
  • Nakajima Test for Determination of Forming Limit Curves
  • ERICHSEN Cupping Test for Lacquer and Paint
  • Stamping Lacquer Test and Deep Drawing Cup Test on Coil Coatings

Possible Standards:

  • ERICHSEN Cupping Test: EN ISO 20482, JIS Z-2247, NF A 03-602, NF A 03-652, ASTM 643-09, UNE 7080, GB 415607, GOST 10510
  • ERICHSEN Deep Drawing Cup Test: DIN EN 1669, ISO 11 531, JIS Z 2249, GB/T 15825
  • Hole Expansion: KWI, ISO 16630
  • ERICHSEN Cupping Test for Lacquer and Paint: DIN ISO 1520

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

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Product Specifications

Parameter Value
Drawing Force 200 kN
Blanking Force 265 kN
Sheet Holder Force 0.5 – 30 kN 10 – 100 kN
Drawing Punch Dia up to 50 mm
Drawing Punch Stroke approx. 80 mm
Blank Holder Stroke approx. 38 mm
Blank Diameter up to 120 mm
Drawing Speed approx. 500 mm/min
Power Supply 3.4 kW / 400 V / 3 Phase 50 Hz
Oil Tank Capacity 95 L

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.
  • Tools: Exhaustive selection of tools and dies is available from Erichsen!