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Why do joints self-loosen? The Junker Test - Fastening Theory Part 3
A common issue with threaded fasteners is that they can selfloosen over time. In this video we discuss the Junker test, as made famous by Gerhard Junker in 1969, and what it revealed about vibrations in a bolted assembly. The Junker test became the base for the standards DIN 25201 & DIN 65151
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