Required Input Motion Table

Nuclear Industry challenges  Applied Kinetics to design a seismic testing table.

High capacity, frequency and acceleration seismic table.

Project: RIM

Industry: Nuclear

Environment: Laboratory

Challenge:  The next generation of nuclear plants requires line-mounted equipment to be seismically tested with high level sinusoidal sweeps known as Required Input Motion (RIM). To provide this seismic test service to the nuclear industry, our client required the addition of a RIM Table in their testing facility.

Applied Kinetics was challenged with engineering a custom RIM Table for seismic testing.

Solution:  Applied Kinetics engineered a RIM Table with both horizontal and vertical axis seismic tables. The layout allowed a single servo hydraulic actuator the ability to reconfigure to oscillate either seismic table. Custom fasteners were used to secure the RIM Table to a strong floor.

Key Design Challenges:

  • The RIM Table required a 3,800lb payload capacity and a 1 to 100Hz frequency range, with 9g acceleration. Applied Kinetics used stress and frequency Finite Element Analysis (FEA) to develop a design to meet the test specifications.

Engineered Equipment:

  • Seismic Test Equipment
  • Custom Fasteners

Key Services:

  • Mechanical Engineering
  • Concept Development
  • 3D CAD Modeling
  • Mechanical Design
  • Mechanical Drawings
  • Finite Element Analysis (FEA)
  • Installation Support

Client Benifits:

  • FEA: Applied Kinetics utilized their Finite Element Analysis (FEA) capabilities to validate the design met specifications.
  • Concept: Applied Kinetics used their extensive experience in machinery design to develop an effective and efficient concept to solve the problem.

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