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Hemi-anechoic chamber and multi-axis shaker table

Shake, rattle and roll

The multi-axis shaker table (MAST) is unique and highly optimal for product development/prototype validation of all kinds. It offers repeatable, high-frequency, six-degrees-of-freedom simulation of the vibrational environment of products and components. It is also located in an anechoic chamber, meaning the walls absorb/break up sound waves, enabling microphones to pick up the squeaking and rattling of test products. The MAST is ideal for testing:

  • durability
  • noise, vibration and harshness (NVH)
  • squeak and rattle

Sectors: 

Any sector that develops, tests, and brings new products or components to market will find immense value in the MAST. Sectors include:

  • automotive components
  • building materials
  • cycling
  • unmanned aerial vehicles (UAVs)

Testing examples: 

  • air-turbulence and uneven-surface landing simulations
  • automotive components life cycle/squeak and rattle
  • construction/architectural design and materials (earthquake simulations)
  • heating, ventilation and air conditioning (HVAC) subsystems life cycle/squeak and rattle
  • UAVs/drones
  • vehicle seats life-cycle testing

Car Seat Quality Testing on MAST    Drone Testing on MAST

Key features: 

  • Hemi-anechoic chamber, 150Hz cut-off frequency with exceptionally low background noise.
  • Six-degrees-of-freedom (three translational; three rotational) inverted hexapod hydraulic shaker table.

Test section features: 

Overall dimensions

  • Inside room surface:
    • Length: 9 metres
    • Width: 8.87 metres
    • Height: 5.15 metres
  • Clearance to acoustic treatment:
    • Length: 7.6 metres
    • Width: 7.5 metres
    • Height: 4.4 metres

Test-object entry clearance

  • Width: 4.41 metres
  • Height: 4.35 metres

Chamber acoustics

  • Cut-off frequency: 150 Hz
  • Background noise level measured to NC-16 with ventilation system operating (<25 dB above cut-off frequency)

Pit opening for shaker table

2.77 metres (diameter)

Safety

Laser-based light screen

Pure acoustic test setup

Portable cover plates for pit

MAST Room

MAST Doors Opening    MAST Doors Open

Multi-axis shaker table specifications: 

Manufacturer and model

MTS MAST Table 353.20

Control system

Flextest 100 with 793 System Software

Simulation system

MTS RPC Pro Software

Table diameter

2 metres

Test object max payload weight

680 kg

Maximum translation displacements

  • Vertical: ±150 mm
  • Lateral: ±120 mm
  • Longitudinal: ±120 mm

Maximum rotation displacements

  • Pitch: ±8o
  • Roll: ±8o
  • Yaw: ±6o

Maximum velocities

  • Vertical: 1 metre/second
  • Lateral: 0.8 metre/second
  • Longitudinal: 0.8 metre/second

Bare table response

  • Frequency response: 150 Hz
  • Vertical acceleration: 17.8 g
  • Lateral acceleration: 10.5 g
  • Longitudinal acceleration: 10.5 g

Maximum payload response

  • Frequency response: 100 Hz
  • Vertical acceleration: 11 g
  • Lateral acceleration: 6.5 g
  • Longitudinal acceleration: 6.5 g
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