To establish the influence of lubrication on the surface finish of cold forged components a series of workpieces made of copper, alnminium and heading steel were forged within hexagonal and square shaped dies. Tests were performed under non-lubricated, or "Dry", and lubricated conditions. It was fou
The influence of surface finish on sealing ability
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 215 KB
- Volume
- 1996
- Category
- Article
- ISSN
- 1350-4789
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β¦ Synopsis
The influence of surface finish on sealing ability
How well a seal fulfils its purpose relies on several factors concerning not only the seal but also the sealing surfaces, some of which are not easily determined. Experience plays an important role in finding the proper solution. A seal's effectiveness relies on the effective preload that presses it against the sealing surface: this can only occur if the seals elasticity is adequate to compensate for manufacturing tolerances. The greatest demands are made by extreme flaws, such as misalignment, or variances in centricity, as well as conicity, and out of round conditions.
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The components surfaces used in lubrication, friction and wear vary in their initial surface topography according to the particular use involved. In practice a real component from a machine or structure will generally have various surface finishes and different fatigue strengths. The usual stand by