Accessories for Shaker Systems

Lateral Excitation Shaker Stand
Model 2050A

The Lateral Excitation Shaker Stand Model 2050A provides a versatile means of adapting a modal shaker for horizontal input that many modal testing applications may need for better energy distribution. The stand facilitates excitation with a tensioned “piano wire” stinger (optional accessory) which significantly reduces force measurement errors from unmeasured transverse forces. Using the 2050A the shaker location can now be precisely adjusted in both the horizontal and vertical directions to provide lateral force input.

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AirRide® Test Mount
Model 8032S

The AirRide Model 8032S provides excellent isolation and support of heavy structures during modal testing while meeting the modal challenge of keeping the mounting (rigid body) frequencies well below the frequency of the first deflection mode. Used extensively in “body-in-white” vehicle modal tests, the unit offers a typical mounting frequency of 2.88 Hz for 650 lbs mass. Since the natural frequency does not vary appreciably with load, several mounts may be used to support a structure, at various points, with good agreement on overall system mounting frequency.

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Horizontal Table Systems

Horizontal table systems are designed to accommodate test objects that are limited in orientation, or may be larger and heavier than those that can be attached directly to the platform of a standalone vibration shaker. The Modal Shop shaker models 2075E, 2110E, and 2500E can be integrated into a horizontal table The shakers can be used while coupled with the horizontal table, or to be decoupled and rotated vertically to be used as the shaker only in the vertical direction. The Horizontal Table offers an easy-to-use, versatile solution to expand testing capabilities with an existing Modal Shop shaker.

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Vibration Shaker Head Expander

Head Expanders are designed to increase the mounting footprint of a vibration shaker mounting platform for vibration testing allowing the shaker users to test objects larger than those that can be attached directly to the shaker existing platform. Model 2000X01 is designed for Model 2075E and 2110E shakers and the Model 2000X14 is designed for Model 2500E shaker. Both models are available in standard and metric threads.

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Modal Pod CubeSat Test Fixture

The model 2000X15 Modal-Pod™ is a CubeSat test fixture which provides a broader standard mounting fixture to meet the standardized sizing of 1U, 2U, and 3U CubeSats that interfaces directly with the model 2500E shaker. This fixture allows the user to quickly mount up to 3U size satellites in horizontal or vertical configurations for critical vibration qualification and acceptance testing based on NASA or other standards to ensure survivability during launch.

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