A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...

Thermal effects can increase or decrease bolt load and clamping capability. Measuring the angle of nut rotation can sometimes be used to gage preload. Modeling the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...