All-electric fatigue-testing machine

Shimadzu Scientific Instruments has introduced the EMT-series Servopulser fatigue-testing machine.

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Shimadzu Scientific Instruments (Columbia, Md.) has introduced the EMT-series Servopulser fatigue-testing machine. Billed as an environment-friendly option for dynamic strength testing, the device operates exclusively on electrical power and, therefore, generates no waste oil and does not contaminate surrounding lab areas. Its closed-loop, 24-bit, rangeless Servo Controller 4830 enables stable loading over a wide range of high-resolution test forces and displacements (strain), including offset loads and contact tests, as well as unique functions to perform varied text procedures. The series offers full digital control for auto-tuning control parameters and waveform correction. The testers are capable of fast, large movements with sine wave cycle testing at speeds up to 2 m/sec (6.6 ft/sec). Features include stroke lengths up to ±50 mm (~2 inches) and ±20-µm (0.00079-inch) displacement amplitude at 200-Hz frequencies.