ELECTRODYNAMIC ACTUATORS WITH LINEAR MOTORS

STEP Lab is capitalizing on its specialization in the development of electrodynamic axes by producing a new series of machines for highly dynamic applications (e.g. car and motorbike shock absorbers). This new range of machines, all based on linear motors, is divided into two families: HUD and XUD. The former is also suitable for endurance tests due to its high continuous dynamic forces, the latter is dedicated to short-term tests with the achievement of higher accelerations.
These machines enjoy, in keeping with our tradition, the advantages inherent in electric machines.

Brochure

Benefits

No maintenance

High performance

High efficiency

Wide range of use

Quick and easy installation

Benefits

  • 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*>100*>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 380- 440V 3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V
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 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V
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 380- 440V3PH 380- 440V3PH 380- 440V3PH 380- 440V
  • Closed-loop force and displacement control via Test Centre controller
  • High-resolution data acquisition in 24bit
  • Can be installed on any type of structure
  • Up to 8 controlled and synchronized axes
  • Control station in separate and independent position
  • Simple and flexible test management via a graphical Test Centre interface
  • Wide variety of grips, dedicated test accessories, and load cells
  • Integration with extensometers and climatic chambers
  • Wide operating range, manageable speeds from 0.01mm/s up to 2,000mm/s, and high stroke of 100mm

Linear motor-based axis for material and product testing. Suitable for tests in force and position control.

  • UD actuators are ideal for fatigue tests up to 2 m/s and 10g
  • HUD/HUDL actuators are ideal for dynamic tests up to 6 m/s and 45g
  • XUD actuators are ideal for dynamic tests up to 6 m/s and 90g

Areas of application:

  • Testing of materials, products, and assembly processes
  • Cyclic tests (fatigue), static tests and high-speed tensile and compression tests