Bob Metz

Bob Metz is pressure force product manager at PCB Piezotronics Inc. (Depew, NY). For more information, call (888) 684-0004, e-mail or visit


The End of Overtesting

A major cause of overtesting of spacecraft, aerospace and flight hardware during random and swept sine vibration tests is associated with differences between the mechanical impedance of the shaker and mounting fixture, and the standard practice of controlling the input acceleration to the frequency envelope of the flight data. The result is artificially high shaker forces and responses at the resonance frequencies of the test item. These high forces can damage expensive payloads.
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Karen Spencer, Clinkenbeard's quality manager, discusses what makes the plant stand out, advice for other plants, and looks to the future.
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Quality Magazine


2015 May

The May 2015 edition of Quality Magazine includes articles on cloud technologies, depth gages, ISO 9001, digital inspection and cool new products.

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