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Fixtures

Head Expanders, Fixtures and Load Support Platforms to Meet Your Testing Needs

LDS is a world leader in the development, manufacture and support of vibration test equipment, offering a quality range of head expanders, fixtures and load support platforms to increase the capability of existing electrodynamic shaker systems.

All our head expanders are designed using advanced finite element modelling techniques to optimize the performance of the vibration table. A choice of our standard range of aluminium expanders or our optional magnesium version is offered to customers.

Features

• All head expanders are designed using advanced finite element modelling techniques
  
• High quality manufacture secures reliability
  
• Choice of standard range of aluminium expanders or optional magnesium version to special order

Combo Systems with HBT Slip Table

Slip Tables with Hydrostatic Bearings - The Vibration Table Solution for Strenuous Test Requirements

Hydrostatic Bearing Tables (HBT series) provide the ideal solution for strenuous vibration test requirements, whilst the use of linear hydrostatic bearings in the HBT series slip tables allows heavier load carrying capability.

Used extensively to test avionics and military hardware, automotive components and electronic assemblies, our range of combo systems and slip tables put test items through rigorous vibration testing.

For three-dimensional testing applications we recommend LDS's trunnion mounted electrodynamic shaker and slip table. Combined in one fabricated frame, it provides easy installation and mobility.

For testing very large or complex payloads we recommend a stand-alone trunnion mounted shaker with a separate slip table on a seismic base. This configuration provides the ultimate pitch, roll and yaw restraint for the vibration table.

The largest of the LDS V700 series and all V800 and V900 series shakers can be supplied as a combo system. All feature the LDS Lin-E-Air body isolation and guidance system, which ensures the shaker body is maintained on the central line, minimising distortion and maximize vibration control at low frequencies and payload capabilities.

All LDS slip tables use custom designed rugged steel chassis, allowing maximum stiffness for the greatest payload.

Features

• Suitable for exceptional payloads.
• Vibration tables feature additional hydrostatic load carrying bearings and are capable of 75mm (3") displacement.
• Oil film for load support minimizes plate rippling.
• Bearings can be configured to accommodate different load types.
• Linear bearings provide axial restraint for low distortion while additional bearings provide tolerance for thermal expansion and contraction.
• Body and base isolation suspension for body of electrodynamic shaker
• Air-glide and castor mobility available.

Combo Systems with LPT Slip Table

Low Pressure Slip Tables - Cost Effective Solution to Most Production Line and Research Applications

Low Pressure Tables (LPT series) are a cost effective solution for a vibration table to use in most production line and research applications. These slip tables use guidance bearings to minimize axial distortion and an oil film for load support.

Used extensively to test avionics and military hardware, automotive components and electronic assemblies, our range of combo systems and slip tables put test items through rigorous vibration testing.

For three-dimensional testing applications we recommend LDS's trunnion mounted electrodynamic shaker and slip table. Combined in one fabricated frame, it provides easy installation and mobility.

For testing very large or complex payloads we recommend a stand-alone trunnion mounted electrodyanmic shaker with a separate slip table on a seismic base. This configuration provides the ultimate pitch, roll and yaw restraint for the vibration table.The largest of the LDS V700 series and all V800 and V900 series electrodynamic shakers can be supplied as a combo system. All feature the LDS Lin-E-Air body isolation and guidance system, which ensures the body of the electrodynamic shaker is maintained on the central line, minimising distortion and maximize low frequency and payload capabilities.

All LDS slip tables use custom designed rugged steel chassis, allowing maximum stiffness for the greatest payload.

Features

• Suitable for general payloads. Vibration tables feature linear bearings to minimize distortion and are capable of 63mm (2.5inches) displacement.
• Oil film for load support minimizes plate rippling.
• Bearings are positioned on the centre line, eliminating the need for adjustment as a result of plate expansion and contraction caused by thermal changes.
• Body and base isolation suspension available for the body of electrodynamic shaker.
• Air-glide and castor mobility are available as options on all V800 and V900 series combo systems.