ELECTROMECHANICAL TEST SYSTEMS

FOR DYNAMIC AND FATIGUE TESTS

At STEP Lab, we produce test systems based on high-performance electromechanical actuators. Our technology offers extraordinary flexibility, making these actuators ideal for both static and dynamic testing, with a particular flair for fatigue testing applications.
Features

Max. Dynamic force: 200 kN
Max. Static force: 268 kN
Max. Speed: 1.6 m/s

Type of test

Fatigue
Tensile
Compression

Applications

Materials
Components

ELECTROMECHANICAL TEST SYSTEMS

FOR DYNAMIC AND FATIGUE TESTS

At STEP Lab, we produce test systems based on high-performance electromechanical actuators. Our technology offers extraordinary flexibility, making these actuators ideal for both static and dynamic testing, with a particular flair for fatigue testing applications.
Features

Max. dynamic force: 200 kN
Max. static force: 268 kN
Max. Speed: 1.6 m/s

Type of test

Fatigue
Tensile
Compression

Applications

Materials
Components

ELECTROMECHANICAL MACHINES

Our in-house designed electromechanical test systems cover a load range from 200 N to 268 kN and offer a wide range of speeds, high-quality load frames, and intelligent drive systems. Certified to ISO, EN and ASTM standards, these electromechanical machines guarantee high performance through the use of advanced measurement and control systems.

  • Designed for dynamic and fatigue tests (billions of cycles)
  • Improved actuator size-to-force ratio
  • Dynamic load range up to 200 kN
  • Operate in single or multi-actuator mode
  • Zero maintenance and easy installation
  • Low energy consumption

They are not just simple electromechanical actuators but true electrical machines for any type of application where high performance is required:

  • Material Testing Laboratories – used in conjunction with our standard facilities, controller and Test Center software, highly reliable and flexible testing machines are created that are perfect for testing all types of materials for static and dynamic characterisation.
  • Product test laboratories for quality certification – used in conjunction with the Test Center controller and software, they can be mounted alone or together with other actuators on structures built by STEP Lab or directly by the customer to perform even complex tests on products.
  • In the production line – for press-fit or quality control, the actuators’ combination of sophisticated control, dedicated quality control software and high-precision mechanical components make them perfect for repeated testing over large numbers of cycles even in H24 applications

ISO 12106- ASTM E606- DIN 50100- ASTM E399- ASTM E647- ASTM E466- ASTM D6484- ASTM D3479- ISO 13003- ISO 12110- ISO 14849

FEATURES

No maintenance

High reliability

High efficiency

Wide range of use

Simple installation


  • No maintenance

  • High performance

  • High efficiency

  • Wide range of use

  • Quick and easy installation

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EA025 – THE NEW ELECTRIC ACTUATOR

The new ‘EA025’ actuator has been designed to replace hydraulic systems; it offers high performance, low maintenance costs and is built to last for billions of cycles. With a dynamic load capacity of up to 25 kN, a test speed of 1,600 mm/s and a frequency of 30 Hz, the EA025 is ideal for:

  • Material tests
  • Fatigue tests
  • Static tests

To meet all your testing needs, a wide range of accessories is available (extensometers, climatic chambers, torsion actuators and grips).

TECHNICAL DATA

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EA SERIESUNITSEA05 EA025 EA050EA100EA200
Max. Dynamic ForcekN5.10 25.00 50.00 100.00 200.00
Max. Static ForcekN6.2018.00 47.00134.00268.50
Max. Test Speedmm/s9551600 14701665535
Standard Strokemm200250 200-300 200-300 200
FrequencyHz30 30 20 20 20
Lengthmm653 775 1100 1320 1500
Widthmm115 130 185 280 425
Depthmm240 300 370 600940
Length with pistonmm737 900 1250 1554 1745
Ambient Temp.°C5 – 30 5 – 30 5 – 30 5 – 30 5 – 30

CERTIFIED STANDARDS

TESTAPPLICATIONSTANDARDDESCRIPTION
StaticPlasticsASTM D638Tensile properties of plastics
StaticPlasticsISO 527-1Plastics-Determination of tensile properties
StaticPlasticsISO 527-2Plastics-Determination of tensile properties
StaticMetalsASTM E21High temperature tensile testing of metallic materials
StaticMetalsASTM E290Material bending test for ductility
StaticMetalsASTM E517Plastic deformation ratio r for sheet metal
StaticMetalsASTM E646Tensile hardening exponents (n values) of sheet metal materials
StaticMetalsASTM E8MTensile testing of metallic materials
StaticMetalsASTM E9Compression testing of metallic materials at room temperature
StaticMetalsEN 10002-1:2001 (replaced by ISO EN 6892-1:2019)Tensile testing of metallic materials. Test method at room temperature
StaticMetalsISO 6892-1Metallic materials – Tensile testing Part 1: Test method at room temperature
StaticMetalsISO 7438Metallic materials. Proof of folding.
StaticMetalsISO 783Metallic materials – Tensile test of steel at elevated temperature
Static / FatigueBikeEN 15194Electrically assisted pedal cycles – EPAC Bicycles – test methods
Static / FatigueBikeISO 4210-3Safety requirements for bicycles – Part 3: Common test methods
Static / FatigueBikeISO 4210-4Safety requirements for bicycles – Part 4: Braking test methods
Static / FatigueBikeISO 4210-5Safety requirements for bicycles – Part 5: Steering test methods
Static / FatigueBikeISO 4210-6Safety requirements for bicycles – Part 6: Frame and fork test methods
Static / FatigueBikeISO 4210-7Safety requirements for bicycles – Part 7: Test methods for wheels and rims
Static / FatigueBikeISO 4210-8Safety requirements for bicycles – Part 8: Pedal and transmission system test methods
Static / FatigueBikeISO 4210-9Safety requirements for bicycles – Part 9: Test methods for saddles and seatposts
Static / FatigueBiomedicalASTM F1264Standard specifications and test methods for intramedullary fixation devices
Static / FatigueBiomedicalASTM F1717Standard test methods for spinal implant structures in a vertebrectomy model
Static / FatigueBiomedicalASTM F1798Standard test method for evaluating the static and fatigue properties of interconnecting mechanisms and subassemblies used in spinal arthrodesis implants
Static / FatigueBiomedicalASTM F1800Standard practice for cyclic fatigue testing of tibial plateau metal components of total knee joint replacements
Static / FatigueBiomedicalASTM F2068Standard specifications for femoral prostheses – metallic implants
Static / FatigueBiomedicalASTM F2077Test methods for intervertebral body fusion devices.
Static / FatigueBiomedicalASTM F2193Standard specifications and test methods for components used in surgical fixation of the spinal skeletal system
Static / FatigueBiomedicalASTM F2502Standard specifications and test methods for resorbable plates and screws for internal fixation implants
Static / FatigueBiomedicalASTM F2580Standard practice for evaluating the modular connection of a proximally fixed femoral hip prosthesis
Static / FatigueBiomedicalASTM F2706Standard test methods for occipito-cervical and occipito-cervical-thoracic spinal implant constructions in a vertebrectomy model
Static / FatigueBiomedicalASTM F382Standard specification and test method for metal bone plates
Static / FatigueBiomedicalASTM F384Standard specifications and test methods for angled metal devices for orthopedic fracture fixation
Static / FatigueBiomedicalASTM F543Standard specifications and test methods for metallic medical bone screws
Static / FatigueBiomedicalEN 843-1Mechanical properties of monolithic ceramics at room temperature – Determination of flexural strength
Static / FatigueBiomedicalISO 11405Dental structure adhesion testing
Static / FatigueBiomedicalISO 12189-8Mechanical testing of implantable spinal devices – Fatigue test method for spinal implant assemblies using anterior support
Static / FatigueBiomedicalISO 14801Dentistry – Implants – Dynamic load testing for endosseous dental implants
Static / FatigueBiomedicalISO 14879-1Total knee joint replacement Determination of strength properties of tibial knee trays
Static / FatigueBiomedicalISO 6872Dentistry – Ceramic Materials
Static / FatigueBiomedicalISO 7206Surgical implants – Partial and total hip joint replacements
Static / FatigueBiomedicalISO 9585Surgical implants – Determination of flexural strength and stiffness of bone plates
StaticRubberISO 2439Determination of hardness (indentation technique)
StaticRubberISO 3386Determination of compressive stress-strain characteristics

FREQUENTLY ASKED QUESTIONS

The EA series is STEP Lab’s range of electromechanical test machines that utilise ball screw actuators, designed for static and dynamic testing up to 30 Hz. It is intended for high-cycle, short-stroke applications, where cost-effectiveness and precision are just as crucial as dynamic performance.

The EA series is capable of withstanding dynamic loads of up to 200 kN and static loads of up to 268 kN, making it one of the highest-capacity electromechanical platforms in the STEP Lab range, for both fatigue and static testing of materials or components.

The EA series uses electromechanical ball-screw actuators optimised for higher static loads and moderate dynamic frequencies (up to 30 Hz), whilst the UD series uses linear motors for higher dynamic frequencies and a faster response to slightly lower static loads.

Yes, the EA series is designed to carry out static tests (tensile, compression, bending) and dynamic fatigue tests on the same machine, controlled via STEP Lab’s Test Centre software, without the need for separate equipment for each type of test.

Electromechanical technology converts the rotary motion of a motor into a precise linear force via a ball screw, ensuring high positioning accuracy, low maintenance and the absence of hydraulic fluids or pumping infrastructure. It is generally more energy-efficient than hydraulic systems and particularly well-suited to long-term, unattended fatigue testing at moderate frequencies.

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