| 词条 | Bearing surface |
| 释义 |
A bearing surface in mechanical engineering is the area of contact between two objects. It usually is used in reference to bolted joints and bearings, but can be applied to a wide variety of engineering applications. On a screw the bearing area loosely refers to the underside of the head.[1] Strictly speaking, the bearing area refers to the area of the screw head that directly bears on the part being fastened.[2] For a cylindrical bearing it is the projected area perpendicular to the applied force.[3] On a spring the bearing area refers to the amount of area on the top or bottom surface of the spring in contact with the constraining part.[4] The ways of machine tools, such as dovetail slides, box ways, prismatic ways, and other types of machine slides are also bearing surfaces. See also
References1. ^{{harvnb|Smith|1990|p=38}}. 2. ^{{Citation | title = Fastener terms | url = http://www.canadianstainless.ca/page9.html | accessdate = 2009-06-29}}. 3. ^{{harvnb|Low|Bevis|1908|p=115}}. 4. ^{{Citation | title = Helical Compression Spring Terminology | url = http://www.masterspring.com/technical_resources/helical_compression_spring_terminology/default.html | accessdate = 2009-06-29}}. Bibliography
2 : Bearings_(mechanical)|Mechanical engineering |
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