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::Signal Force Shakers
 
 

All SignalForce products and vibration test systems, or vibration shaker systems, including high quality accessories such as head expanders and slip tables, are manufactured in the USA or the UK acquired and integrated shaker manufacturers Gearing & Watson Electronics, Ltd. and Ling Electronics, Ltd. (Genuine Ling). Sound and vibration test equipment, electrodynamic vibration systems and vibration tables. Product service is provided from both direct and partner service centers located around the globe, with direct service centers on both coasts of the USA, the UK, China, and India.

SignalForce Shakers

Complete Vibration Test Systems

SignalForce Vibration Test Systems (both air- and water-cooled) are available as turnkey vibration test systems that include: shaker tables, power amplifiers, slip tables, shaker head expanders, fixtures, thermal barriers for environmental test.Sales and support are adept at understanding user applications and providing properly configured test solutions to meet both current and future needs.

Electrodynamic Shakers

A broad range of ED shakers or electrodynamic shaker systems for use with SignalStar Vibration Controllers.

 

 

 

 

 

Air Cooled Shakers

Air-cooled shakers are the workhorses for many component testing applications such as automotive assemblies and consumer electronics equipment. The range includes many shaker models with axial guidance bearings and 2 inches (50mm displacement) and our largest air-cooled model offers 2.5 inches (63.5mm) continuous displacement.

All cooling blowers for these shakers include noise reduction silencers, all models feature high levels of efficiency.

The range of small shakers is in use all over the world. Some have even been taken into space for special experiments under zero gravity conditions. Applications have included medical research, electronic component testing, materials analysis, automotive component testing, tyre balancing and actuator applications for antenna positioning using low axial stiffness special suspension units.

The range of air-cooled shakers have found application testing in Formula 1 racing cars, mobile telephones, health & safety type approvals, materials analysis, avionics systems and electronic sub-systems testing. These shakers provide high lateral and torsional stiffness to provide maximum stability and support. This produces high performance and low distortion levels.

SignalForce - Inertial and Modal Shakers

The M series of modal shakers use linear bearings, in place of the more common suspension systems, to produce virtually zero axial stiffness and virtually zero mechanical damping. When combined with ' linear amplifiers, operating in current mode, the resultant system force output will exhibit typically less than 1% electrical damping and the phase shift between drive current and force output will be typically less than 1°.

When large structures need to be tested, inertial shakers provide the ideal solution. The central spigot is attached to the structure under test and the body then provides the inertial mass. These shakers have found applications for testing buildings, floor loading resonances, ship's decks for helicopter loading, squeaks and rattle testing in cars, geological exploration, helicopter rotor simulation and active vibration cancellation.

Inertial Shakers

Testing of large structures can often present considerable difficulties, so when the payload can't be mounted on the shaker can provide a shaker that can be mounted on the payload. Inertial shakers are fully enclosed, permanent magnet shakers that can be mounted on to structures at any angle - they are entirely self-supporting. Inertial shakers have found applications testing car chassis, building structures, ships' flight decks, helicopters, submarines, geophysical surveys and vibration cancellation systems.

  • Force outputs from 30N to 250N
  • Tunable suspension to produce peak force at low resonant frequencies
  • Options for cooling by airline or by standard blowers
Modal Shakers

The Modal shaker series exhibits almost zero axial stiffness, while offering very high radial stiffness for stability. This performance combination is achieved through the use of a linear guidance bearing. There are 6 models of modal shakers with a total of 10 variants. Previous applications include the testing of airframes, space lab structures, automotive chassis, road surfacing materials and artificial limb joints.

  • Force outputs from 49N to 12
  • Bearing guidance
  • Virtually zero axial stiffness

 

 

Water Cooled Shakers

The range of water cooled shakers are used for many different applications, such as testing automotive sub-assemblies, military and defense components, large electronic components, and even fully assembled satellites. By utilizing the dual hydrostatic bearings that are incorporated in the shaker design, payloads with high overturning moments can be tested without the need for external guidance systems. The water cooled shakers may also be supplied with horizontal slip table systems for 3 axis testing .
  • Shakers from 18000 lbf (80kN) to 50000 lbf (222 kN)
  • 7 configurations
  • All Models are water cooled. Large force systems include chillers.
  • Dual Hydrostatic Bearings
  • Good axial and torsional stability
  • Special suspension options
  • Automatic Load Support and armature centering
  • Payload Support up to 3000 lbs (1365 kg)
  • Tunable suspension to produce peak force at low resonant frequencies
  • Options for cooling by airline or by standard blowers

Water cooled shakers cover the force range 18000 lbf (80 kN) to 50000 lbf (222 kN). These shakers all produce 2 inches (50mm) displacement all are water-cooled.

All models may be supplied on high quality pneumatic mounts, for vertical vibration isolation, in trunnions for horizontal and vertical operation, or in monobases for three axis testing using a slip plate. PDF data sheets may be obtained by clicking on the required model.

Vibration shaker
 

Slip Table

 
Power Amplifier
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
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