O-ring | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-05

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/O-ring


00:01:23 1 Manufacturing
00:01:42 2 History
00:04:29 3 Theory and design
00:05:29 3.1 Typical applications
00:07:17 3.2 Vacuum applications
00:08:21 3.3 High temperature applications
00:08:42 4 Sizes
00:10:20 5 Material
00:17:38 6 Other seals
00:20:08 7 Failure modes
00:22:45 8 iChallenger/i disaster
00:26:07 9 Future
00:28:03 10 Standards
00:28:13 10.1 ISO 3601 Fluid power systems — O-rings



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Voice name: en-GB-Wavenet-C


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SUMMARY
=======
An O-ring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.
The O-ring may be used in static applications or in dynamic applications where there is relative motion between the parts and the O-ring. Dynamic examples include rotating pump shafts and hydraulic cylinder pistons. Static applications of O-rings may include fluid or gas sealing applications in which: (1) the O-ring is compressed resulting in zero clearance, (2) the O-ring material is vulcanized solid such that it is impermeable to the fluid or gas, and (3) the O-ring material is resistant to degradation by the fluid or gas.O-rings are one of the most common seals used in machine design because they are inexpensive, easy to make, reliable and have simple mounting requirements. They have been tested to seal up to 5000 psi (35 megapascals) of pressure. The maximum recommended pressure of an O-ring seal depends on the seal hardness and gland clearance.