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Sheet metal testing Erichsen

Electro-hydraulic high-speed universal sheet metal testing machine (600/1000 kN) – Model 146 - ERICHSEN

Universal sheet metal testing machine, Erichsen cupping and deep-draw testing and FLC, up to 1000 kN tensile force. Delivered and supported by Cromocol.

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Electro-hydraulic high-speed universal sheet metal testing machine (600/1000 kN) – Model 146 - ERICHSEN

Advanced Sheet Metal Testing for Professional Laboratories

The Model 146-60 stands out for its exceptional drawing speed, reaching up to 3000 mm/min thanks to an innovative separate oil circuit with high volumetric displacement. This advanced feature ensures a consistent drawing speed across a 150 mm displacement, setting it apart from nitrogen accumulator-based systems. Engineered with precision and versatility, it accommodates a variety of tests including the ERICHSEN Cupping Test and the ERICHSEN Deep Drawing Cup Test, making it an indispensable tool for assessing metallic materials.

Versatile Testing Applications

This Sheet Metal Testing Machine is optimized for conducting an array of significant deep drawing tests on both ferrous and non-ferrous metals. It also excels in technological investigations such as Square Cup Test, Bore Expanding Test (ISO 16630), Forming Limit Curves (FLC) determination, LDH Test, and Bulge Test in accordance with ISO 16808, among others. The machine’s adaptability to special requirements ensures its capacity to meet diverse testing needs.

Innovative Design and Technology

The Machine’s electro-hydraulic drive and option for PC control or manual operation provide flexibility in test sequencing. Features like triple-acting hydraulic system, blanking press in the test head, hydraulic cup ejector, and fully-automatic test sequence streamline operations and enhance safety. Its design allows quick changes of drawing and blanking tools, promoting efficiency in material testing laboratories.

Technical Specifications
Drive
  • Electro-hydraulic
Test 1
  • Erichsen cupping
Test 2
  • Deep Draw Test
Test 3
  • Hole Expansion
Test 4
  • FLC-Test
Test 5
  • Bulge-Test
Blank dia.
  • up to 220 mm
Net Weight
  • approx. 3100 kg
Mains supply
  • 400 V / 3⏀, 50/60 Hz (Other voltages upon request)
Drawing speed
  • up to 3000 mm/min
Ejector stroke
  • approx. 150 mm
Power required
  • 55 kW
Blankholder stroke
  • approx. 38 mm
Drawing punch dia.
  • up to 100 mm
Drawing force, max.
  • 600 kN
Blanking force, max.
  • 800 kN
Drawing punch stroke
  • approx. 150 mm
Dimensions (W x D x H)
  • approx. 2400 x 1540 x 1500 mm
Blankholder force, max.
  • 2 up to 100 kN and 10 up to 600 kN
Bulge test (bulge dia.)
  • up to 100 mm
FLC test (drawing punch dia.)
  • up to 100 mm
Digital indicators (Drawing force)
  • resolution (0.1 kN)
Digital indicators (Blankholder force)
  • resolution (0.1 kN)
Digital indicators (Drawing punch stroke)
  • resolution (0.1 mm (on request 0.01 mm))

Documents & Downloads

Electro-hydraulic high-speed universal sheet metal testing machine (600/1000 kN) – Model 146 - ERICHSEN - Datasheet PDF Document

Frequently Asked Questions

What tests can the Model 146-60 perform?
The Model 146-60 is capable of performing a variety of tests on both ferrous and non-ferrous metals. These tests include the ERICHSEN Cupping Test, Deep Drawing Cup Test, Square Cup Test, Bore Expanding Test (ISO 16630), Forming Limit Curves (FLC) determination, LDH Test, and Bulge Test (ISO 16808), among others. This versatility makes it suitable for a wide range of technological investigations in material testing laboratories.
What features distinguish the Model 146-60 from other sheet metal testing machines?
This machine is distinguished by its exceptional drawing speed of up to 3000 mm/min, supported by an innovative separate oil circuit with high volumetric displacement for consistent drawing speeds. Additionally, its electro-hydraulic drive, the option for PC control or manual operation, triple-acting hydraulic system, blanking press in the test head, hydraulic cup ejector, and fully-automatic test sequence are key features that promote efficiency and safety in testing operations.
Can the machine be customized for specific testing needs?
Yes, the Model 146-60 is adaptable to special requirements, ensuring its capacity to meet diverse testing needs. Its design allows for quick changes of drawing and blanking tools, adding to its versatility and making it an ideal choice for professional laboratories with varying testing requirements.
What are the technical specifications of the Model 146-60?
The machine features an electro-hydraulic drive, and a variety of tests can be conducted including Erichsen cupping and deep draw tests among others. It has a maximum drawing force of 600 kN and a blanking force of 800 kN. The machine offers a drawing speed of up to 3000 mm/min, can accommodate blank diameters up to 220 mm, and requires a power input of 55 kW. The dimensions are approximately 2400 x 1540 x 1500 mm (WxDxH), and it has a net weight of about 3100 kg.
What is the power requirement and mains supply needed for the machine?
The Model 146-60 requires a power input of 55 kW and operates on a 400 V / 3⏀, 50/60 Hz mains supply. Other voltages can be accommodated upon request, making it adaptable to various international standards and facilities' power supplies.
How does the machine enhance safety and efficiency in testing operations?
Safety and efficiency are enhanced through features such as the triple-acting hydraulic system, blanking press in the test head, hydraulic cup ejector, and the option for a fully-automatic test sequence. These features not only improve the reliability of test outcomes but also streamline operations, reduce manual intervention, and mitigate safety risks, providing a safer and more efficient testing environment.
How does the separate oil circuit benefit the Model 146-60's performance?
The separate oil circuit with high volumetric displacement is a key innovation that ensures a consistent drawing speed of up to 3000 mm/min across a 150 mm displacement. This system sets the Model 146-60 apart from models relying on nitrogen accumulators, providing steadier and more reliable performance for precise testing outcomes.

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