LINEAR ACTUATORS

Brochure
We design and manufacture high-performance linear actuators, ideal for high-dynamic mechanical testing and testing of shock absorbers of cars and motorbikes. With our wide range of electric linear actuators, we are a leader in advanced testing solutions.
Features

Load: 1-100 kN

Type of test

Fatigue
Tensile
Compression

Applications

Materials
Components

attuatori elettrici lineari

LINEAR ACTUATORS

Brochure
We design and manufacture high-performance linear actuators, ideal for high-dynamic mechanical testing and testing of shock absorbers of cars and motorbikes. With our wide range of electric linear actuators, we are a leader in advanced testing solutions.
Features

Load: 1-100 kN

Type of test

Fatigue
Tensile
Compression

Applications

Materials
Components

attuatori elettrici lineari

LINEAR ACTUATORS – SERIES

At STEP Lab, we have designed three series of testing machines based on electric linear actuators:

  • UD Series: ideal for continuous dynamic testing with millions of cycles.
  • HUD Series: suitable for endurance testing due to high dynamic forces.
  • XUD Series: dedicated to short-term tests with higher accelerations.

These machines, all based on linear actuators, follow our tradition and consequently offer all the distinctive advantages of electrical technologies.

  • Closed-loop force and displacement control via Test Center controller
  • High-resolution data acquisition in 24bit
  • Can be installed on any type of structure
  • Up to 8 controlled and synchronised axes
  • Control station in separate and independent position
  • Simple and flexible test management via a graphical Test Center 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

FEATURES

No maintenance

High reliability

High efficiency

Wide range of use

Simple installation

UD SERIESUNITSUD01UD04UD08UD012UD025UD030UD050UD100
Max. Dynamic ForcekN0.70 4.00 8.00 12.00 25.00 30.00 50.00100.00
Max. Static ForcekN0.54 2.90 5.80 8.70 14.50 19.20 29.0058.00
Max. Test Speedm/s2.002.002.002.001.002.00 1.001.00
Max. Test FrequencyHz250* 250* 250* 250* 100* 250*100*100*
Standard Strokemm80 250250250130100130130
CoolingAirAirAirAirWater closed circuitWater closed circuitWater closed circuitWater closed circuit
Working Temperature°C5-30
Facility Requirement3PH 400V

* On request

HUD SERIESUNITSHUD010/
HUD010L		HUD020/
HUD020L		HUD030/
HUD030L		HUD060/
HUD060L
Max. Peak ForcekN11.00 22.00 33.00 66.00
Max. Dynamic ForcekN4.00 8.00 12.00 24.00
Max. Static ForcekN3.00 6.00 9.00 18.00
Max. Test Speedm/s4.0/6.0 4.0/6.5 4.0/6.5 4.0/6.5
Max. Speed at Peak forcem/s1.6/4.0
Max. Test Frequency *Hz125
Standard Strokemm250
Working Temperature°C5-30
Facility Requirement3PH 400Vac
CoolingAirAirAirWater closed circuit
* Max. Frequency of 250 Hz available on request.

-Maximum performance achieved at 480 Vac
-Stroke of 260, 300 and 380 mm is available for HUD020, HUD030 and HUD060 versions.
-For higher loads, please refer to KUD Series.

* On request

XUD SERIESUNITSXUD05XUD010XUD020XUD030
Max. Peak ForcekN5.510.420.531.2
Max. Dynamic ForcekN1.52.75.48.1
Max. Static ForcekN1.02.14.26.3
Max. Test Speedm/s6.0
Max. Speed at Peak Forcem/s4.0
Max. Test FrequencyHz600
Standard Strokemm220
Working Temperature°C5-30
CoolingAir
Facility Requirement3PH 400V

* On request

TECHNICAL DATA – LINEAR AXES

STEP Lab actuators are designed for material and product testing, optimal for tests with force and position control.

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

APPLICATIONS

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