The QL-UNISHAKE 500 is a high-performance uniaxial earthquake shake table designed for seismic simulation, structural dynamics research, and accelerograph calibration. Featuring a 500 kg payload capacity, ±1 g acceleration, ±150 mm stroke, and 0.1–30 Hz frequency range, it delivers precise, repeatable horizontal motion through advanced servo technology and closed-loop PID control.
Equipped with QL-SHAKECONTROL software, earthquake record playback, FFT analysis, and response spectrum tools, this USA-manufactured seismic testing system is ideal for universities, research laboratories, and earthquake engineering applications.
The QL-UNISHAKE 500 Uniaxial Earthquake Shake Table is a high-performance system for earthquake testing, research, and teaching. It creates controlled ground motion to help engineers study how structures respond to earthquakes.
The system supports a 500 kg (1,102 lb) payload at ±1 g acceleration. In addition, it offers a ±150 mm stroke and a peak speed of 500 mm/s. Its 1.0 × 1.0 m platform provides ample space for small-scale test models.
The QL-UNISHAKE 500 uses an AC servo motor and a precision ball screw. Together, these parts provide smooth and repeatable motion.
Moreover, the system operates across a 0.1–30 Hz frequency range. Its closed-loop PID control also helps maintain accurate motion during each test.
As a result, users can run controlled tests and compare results with greater ease.
The included QL-SHAKECONTROL software makes test setup and motion control simple. Users can import real earthquake records in .txt, .csv, and PEER .AT2 formats.
In addition, the software supports sine waves, sweeps, chirps, white noise, shock signals, and custom motion patterns.
Users can also scale, filter, and adjust input signals before each test. Furthermore, built-in FFT tools and response spectra help users review test data.
The QL-UNISHAKE 500 supports a wide range of lab and research tasks. For example, it can be used for:
Safety is a key part of the system design. Therefore, the shake table includes limit switches, Safe Torque Off sensors, and an emergency stop.
In addition, automatic output limits help prevent unwanted motion during tests.
Finally, QuakeLogic designs, builds, and tests the QL-UNISHAKE 500 in the USA. The company also provides installation, training, and long-term technical support.
Share your payload, axis, stroke, frequency, and installation requirements with QuakeLogic engineering sales.
The QL-UNISHAKE 500 includes QL-SHAKECONTROL, an advanced seismic simulation and motion analysis software platform.
Software Capabilities:
Applications:
Optional Accessories:
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