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A washer with a "wave" in the axial direction, which provides spring pressure when compressed. Wave washers, of comparable size, do not produce as much force as Belleville washers. In Germany, they are sometimes used as lock washers but they are less effective than other choices. [a] [8] Split washer or spring lock washer
A lock washer is used to prevent a screw, bolt, or nut from loosening under vibration. It operates as a spring under compression having sufficient elasticity to neutralize the play between the assembled parts that vibration causes. [3] National licensed five other washer manufacturers under the patent.
A Junker test is a mechanical test to determine the point at which a bolted joint loses its preload when subjected to shear loading caused by transverse vibration.. Design engineers apply the Junker test to determine the point at which fastener securing elements – such as lock nuts, wedges and lock washers – fail when subjected to vibration.
Tab-washers and cup-washers are also used for lock washers, but usually need modification of the part and sometimes the fastener. — Dmc6006 20:08, 22 Aug 2004 (UTC) Just for the record, I knew what a fender washer was, I just didn't know what to say about it.
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A safety wire is used to ensure proper security for a fastener. The wire needed is long enough to reach from a fixed location to a hole in the removable fastener, such as a pin — a clevis fastener, sometimes a linchpin or hitch-pin through a clevis yoke for instance — and the wire pulled back upon itself, parallel to its other end, then twisted, a single end inserted through a fastener ...
One of the very best deals we've seen this weekend is on the internet's favorite ... Whirlpool 3.5-cu ft High-Efficiency Top-Load Washer . $498 $699 Save $ ... Place it in a bathroom or bedroom ...