BrochureSTEP Lab produces systems for very high dynamic mechanical tests such as high cycle fatigue or on shock absorbers.
We have the largest catalog of machines based on linear motors, divided into three families:

UD - For continuous dynamic testing over millions of cycles
HUD - Suitable for high dynamic tests and also for endurance tests due to high continuous forces
XUD - Dedicated to short-duration tests with the achievement of incredible accelerations.

In keeping with our tradition, these machines enjoy the advantages of electric machines, so they are easy to install,
non-polluting, and easy to maintain.ELECTRODYNAMIC TESTING SYSTEMS
BrochureELECTRODYNAMIC TESTING SYSTEMSSTEP Lab is leader in the production of electrodynamic testing
systems, linear motor based. We have the widest range in the
market with dynamic load up to 60kN. and three level of speed
and dynamic.
UD - For continuous dynamic testing over millions of cycles
HUD - Suitable for high dynamic tests and also for endurance
tests due to high continuous forces
XUD - Dedicated to short-duration tests with the achievement
of incredible accelerations.

FEATURES

No maintenance

High performance

High efficiency

Wide range of use

Quick and easy installation

FEATURES

  • No maintenance

  • High performance

  • High efficiency

  • Wide range of use

  • Quick and easy installation

UD SERIESUnits UD01UD02UD04UD08UD012UD020UD025UD030UD040UD060
Max. Dynamic Force [kN][lbf]0.7 – 157.32.4 – 539.54.0 – 899.28.0 – 1798.512.0 – 2697.720.0 – 4496.225.0 – 5620.230.0 – 6744.340.0 – 8992.360.0 – 13488.5
Max. Static Force [kN][lbf]0.5 – 112.41.5 – 3372.13.0 – 674.46.0 – 1349.99.0 – 2023.315.0 – 3372.118.0 – 4046.521.0 – 4720.930.0 – 6744.245.0 – 10116.4
Max. Test Speed [m/s] [in/s]2.0 – 78.72.0 – 78.72.0 – 78.72.0 – 78.72.0 – 78.71.0 – 39.32.0 – 78.71.0 – 39.31.0 – 39.31.0 – 39.3
Max. Test Frequency [Hz]>250*>250*>250*>250*>250*>250*>250*>100*>100*>100*
Standard Stroke [mm] [in]80 – 3.1100 – 3.970 – 2.770 – 2.770 – 2.780 – 2,770 – 2.760 – 2,380 – 2,780 – 2,7
Cooling AirAirAirAirAirWater closed circuitWater closed circuitWater closed circuitWater closed circuitWater closed circuit
Working Temperature [C°]5-305-305-305-305-305-305-305-305-305-30
Facility Requirement 3PH 400V 3PH 400V 3PH 400V 3PH 400V 3PH 400V 3PH 400V 3PH 400V 3PH 400V 3PH 400V 3PH 400V
HUD SERIESUnits HUD010
HUD010L		HUD020
HUD020L		HUD030
HUD030L		HUD030-5/11
HUD030L-5/11		HUD040-15
HUD040L-15		HUD080-30
HUD080L-30		HUD120-45
HUD120L-45
Max. Peak Force [kN] [lbf]11.0 – 2472.922.0 – 4945.833.0 – 7418.730.0 – 6744.240.0 – 8992.380.0 – 17984.7120.0 – 26977.1
Max. Dynamic Force [kN] [lbf]4.0 – 899.28.0 – 1798.512.0 – 2697.715.0 – 3372.120.0 – 4496.240.0 – 8992.460.0 – 13488.5
Max. Static Force[kN] [lbf]3.0 – 674.46.0 – 1348.89.0 – 2023.311.0 – 2472.915.0 – 3372.130.0 – 6744.245.0 – 10116.4
Max. Test Speed [m/s] [in/s]4.0/6.0 – 157.5/236.24.0/6.5 – 157.5/255.94.0/6.5 – 157.5/255.91.7/3.3 – 67.0/129.91.7/3.3 – 67.0/129.91.7/3.3 – 67.0/129.91.7/3.3 – 67.0/129.9
Max. Test Frequency [Hz]>125*>125*>125*>100*>100*>100*>100*
Standard Stroke [mm] [in]200 – 7.8200 – 7.8200 – 7.8240 – 9.480 – 3.180/265 – 3.1/10.480/265 – 3.1/10.4
Cooling AirAirAirAir/Water closed circuitWater closed circuitWater closed circuitWater closed circuit
Working Temperature [C°]5-305-305-305-305-305-305-30
Facility Requirement3PH 400V3PH 400V3PH 400V3PH 400V3PH 400V3PH 400V3PH 400V
XUD SERIESUnits XUD05
XUD010
XUD020
XUD030
Max. Peak Force [kN] [lbf]5.5 – 1236.410.4 – 2338.020.5 – 4608.631.2 – 7014.0
Max. Dynamic Force [kN] [lbf]1.5 – 337.22.7 – 606.95.4 – 1213.98.1 – 1820.9
Max. Static Force [kN] [lbf]1.0 – 224.82.1 – 472.1 4.2 – 944.26.3 – 1416.3
Max. Test Speed [m/s] [in/s]6.0 – 236.26.0 – 236.26.0 – 236.2 6.0 – 236.2
Max. Speed at Peak Force [m/s] [in/s]4.0 – 157.44.0 – 157.44.0 – 157.44.0 – 157.4
Max. Test Frequency (Hz)>300*>300*>300*>300*
Standard Stroke [mm]220 – 8.6220 – 8.6220 – 8.6220 – 8.6
Cooling AirAirAirAir
Working Temperature [C°]5-305-305-305-30
Facility Requirement3PH 400V3PH 400V3PH 400V3PH 400V

*Special requests

MECHANICAL TESTING SYSTEMS

  • Ergonomic and flexible design thanks to the various structures available
  • Closed-loop force and displacement control via Test Center controller
  • High-resolution data acquisition in 24bit
  • Up to 8 controlled and synchronized axes
  • Control station in a separate and independent position
  • Simple and flexible test management via Test Center graphical interface
  • Wide variety of grips, dedicated test accessories, and load cells
    Integration with extensometers and climatic chambers

Certified Standards

TEST MATERIAL STANDARD DESCRIPTION
Static tests Plastic ASTM D638 Tensile properties of plastics
Static tests Plastic ISO 527-1
ISO 527-2		 Plastics-Determination of Tensile Properties
TEST MATERIAL STANDARD DESCRIPTION
Static tests Metal ASTM E21 High-temperature tensile testing of metallic materials
Static tests Metal ASTM E290 Material bending test for ductility
Static tests Metal ASTM E517 Plastic deformation ratio r for sheet metal
Static tests Metal ASTM E646 Tensile hardening exponents (n-values) of sheet metal materials
Static tests Metal ASTM E8M Tensile testing of metallic materials
Static tests Metal ASTM E9 Compression testing of metallic materials at room temperature
Static tests Metal EN 10002-1:2001 (replaced by ISO EN 6892-1:2019) Tensile testing of metallic materials. Test method at room temperature
Static tests Metal ISO 6892-1 Metallic materials – Tensile testing Part 1: Test method at room temperature
Static tests Metal ISO 7438 Metallic materials. Bending test.
Static tests Metal ISO 783 Metallic materials – Tensile test of steel at high temperature
TEST MATERIAL STANDARD DESCRIPTION
Static / Fatigue Bike EN 15194 Electrically assisted pedal cycles – EPAC Bicycles – test methods
Static / Fatigue Bike ISO 4210-3 Bicycle safety requirements – Part 3: Common test methods
Static / Fatigue Bike ISO 4210-4 Safety requirements for bicycles – Part 4: Braking test methods
Static / Fatigue Bike ISO 4210-5 Bicycle safety requirements – Part 5: Steering test methods
Static / Fatigue Bike ISO 4210-6 Safety requirements for bicycles – Part 6: Test methods for frame and fork
Static / Fatigue Bike ISO 4210-7 Bicycle safety requirements – Part 7: Test methods for wheels and rims
Static / Fatigue Bike ISO 4210-8 Safety requirements for bicycles – Part 8: Pedal and drive system test methods
Static / Fatigue Bike ISO 4210-9 Bicycle safety requirements – Part 9: Test methods for saddles and seatposts
TEST MATERIAL STANDARD DESCRIPTION
Static / Fatigue Biomedical ASTM F1264 Standard Specifications and Test Methods for Intramedullary Fixation Devices
Static / Fatigue Biomedical ASTM F1717 Standard test methods for spinal implant structures in a vertebrectomy model
Static / Fatigue Biomedical ASTM F1798 Standard test method for evaluating static and fatigue properties of interconnection mechanisms and subassemblies used in spinal arthrodesis implants
Static / Fatigue Biomedical ASTM F1800 Standard Practice for Cyclic Fatigue Testing of Metal Components of the Tibial Plateau of Total Knee Joint Prostheses
Static / Fatigue Biomedical ASTM F2068 Standard specifications for femoral prostheses – metal implants
Static / Fatigue Biomedical ASTM F2077 Test methods for intervertebral body fusion devices
Static / Fatigue Biomedical ASTM F2193 Standard specifications and test methods for components used in surgical fixation of the spinal skeletal system
Static / Fatigue Biomedical ASTM F2502 Standard specifications and test methods for resorbable plates and screws for internal fixation implants
Static / Fatigue Biomedical ASTM F2580 Standard practice for evaluating the modular connection of a proximally fixed femoral hip prosthesis
Static / Fatigue Biomedical ASTM F2706 Standard test methods for occipito-cervical and occipito-cervical-thoracic spinal implant constructions in a vertebrectomy model
Static / Fatigue Biomedical ASTM F382 Standard Specifications and Test Method for Metal Bone Plates
Static / Fatigue Biomedical ASTM F384 Standard specifications and test methods for angled metal devices for orthopaedic fracture fixation
Static / Fatigue Biomedical ASTM F543 Standard Specifications and Test Methods for Metal Medical Bone Screws
Static / Fatigue Biomedical EN 843-1 Mechanical properties of monolithic ceramics at room temperature – Determination of flexural strength
Static / Fatigue Biomedical ISO 11405 Tooth structure adhesion test
Static / Fatigue Biomedical ISO 12189-8 Mechanical testing of implantable spinal devices – Fatigue test method for spinal implant assemblies using anterior support
Static / Fatigue Biomedical ISO 14801 Dentistry – Implants – Dynamic load test for endosseous dental implants
Static / Fatigue Biomedical ISO 14879-1 Total knee joint replacement Determining the strength properties of tibial knee trays
Static / Fatigue Biomedical ISO 6872 Dentistry – Ceramic materials
Static / Fatigue Biomedicale ISO 7206 Surgical implants – Partial and total hip joint replacements
Static / Fatigue Biomedical ISO 9585 Surgical implants – Determination of flexural strength and stiffness of bone plates
TEST MATERIAL STANDARD DESCRIPTION
Static tests Rubber ISO 2439 Determination of hardness (indentation technique)
Static tests Rubber ISO 3386 Determination of stress-strain characteristics in compression
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