Ball Bearing Exciter

Air bearing exciter

Vibration Exciter for Modal and   Component Testing

The APS Dynamics series of ELECTRO-SEIS shakers with ball bearings are force generators specifically designed to be used alone or in arrays for modal excitation of various structures.

 

They find use in forced excitation of complex structures such as floors, bridges, aircraft, spacecraft and automobiles. Furthermore they can be used for low frequency vibration testing of components and assemblies.

 

Product overview

  • Ball-bearing ELECTRO-SEIS® Long-Stroke vibration exciter for modal analysis of oscillatory structures.
APS 113
Frequency range: 0 Hz ... 200 Hz

APS 113

  • Ball-bearing ELECTRO-SEIS® Long-Stroke vibration exciter for modal analysis of oscillatory structures.

Product Details:

  • Max. Force: 133 N (optionally 186 N)
  • Max. Displacement pk-pk: 158 mm
  • Frequency Range: DC - 200 Hz

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  • with 450 N max. force that is suitable for excitation of large structures such as ceilings or bridges.
APS 400
Frequency range: 0 Hz ... 200 Hz

APS 400

  • with 450 N max. force that is suitable for excitation of large structures such as ceilings or bridges.

Product Details:

  • Max. Force: 445 N
  • Max. Displacement pk-pk: 158 mm
  • Frequency Range: DC - 200 Hz

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  • to date is used for vibration tests of airplanes and other large structures. With a maximum force of 900 N and up to 150 mm stroke the shaker unlocks a new performance level without giving up all other advantages of the APS shaker family (i.e. compact dimensions, transportability, permanent magnets)
APS 420
Frequency range: 0 Hz ... 200 Hz

APS 420

  • to date is used for vibration tests of airplanes and other large structures. With a maximum force of 900 N and up to 150 mm stroke the shaker unlocks a new performance level without giving up all other advantages of the APS shaker family (i.e. compact dimensions, transportability, permanent magnets)

Product Details:

  • Max. Force: 900 N
  • Max. Displacement pk-pk: 150 mm
  • Frequency Range: DC - 200 Hz

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APS 4001
Horizontal Reaction Mass System

APS 4001

Product Details:

  • Horizontal excitation with 400 N rated force from 0.5 Hz ... 20 Hz
  • Up to 700 kg reaction mass attachable
  • Easy to disassemble and transport to a test location
  • Can be equipped with a reference force transducer (option)

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Product comparison (ball bearing exciter)

TypesAPS 113APS 400APS 420
 
Force (Sine Peak) 133 N / 186 N (30/42 lbf) 445 N (100 lbf) 900 N (200 lbf)
Velocity (Sine Peak) 1,000 mm/s (39 inch/s) 1,000 mm/s (39 inch/s) 1,000 mm/s (39 inch/s)
Stroke (Peak - Peak) 158 mm (6.25 inch) 158 mm (6.25 inch) 150 mm (5.9 inch)
Frequency Range DC … 200 Hz
Max. Payload 1.5 kg (3.3 lb) 23.0 kg (50.7 lb)
horizontal
11.0 kg (24.3 lb)
vertical
3.0 kg (6.6 lb)
horizontal
1.3 kg (2.9 lb)
vertical
Operation horizontal or vertical
Armature Weight 2.3 kg (5.1 lb) 2.8 kg (6.2 lb) 3.6 kg (8.0 lb)
Max. Overhung Load at
Armature Attachment Point
9.0 kg (20 lb)
DC Coil Resistance 4.4 or 1.1 Ω / 1.4 Ω 1.6 Ω 1.1 Ω
Total Shaker Weight 36.0 kg (80 lb) 73.0 kg (161 lb) 140.0 kg (310 lb)
Dimension L x W x H 526 x 213 x 168 mm
(20.7 x 8.4 x 6.6 inch)
526 x 314 x 178 mm
(20.7 x 12.4 x 7.0 inch)
591 x 360 x 280 mm
(23.3 x 14.2 x 11.0 inch)

On point:

Applications
  1. Modal analysis of dynamic loaded structures
  2. Seismic simulation for components
  3. Calibration and test for seismic instruments
  4. Geoservice, Geoscience, Geophysics, Geoseismic
Range of Use
  1. Departments for the supervision of measuring instruments in research, industry, automotive, aviation, space, military and civil engineering
  2. Test and calibration laboratories
Features
  1. Long stroke shaker for sine wave, swept sine wave, random or impulse force waveforms
  2. Optimized to deliver power to resonant load with minimum shaker weight and drive power
  3. Rugged linear guidance system

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Based on the 45 years of experience of APS Dynamics, we offer mobile shakers that exhibit their best performance in the low frequency range. Typical applications are modal testing of buildings, bridges and other large structures. Combined with SPEKTRA vibration controllers, complete systems are also available.