Accurate determination of interference in pin joints |
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Authors: | Akella Kameswara Rao |
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Institution: | 1. Department of Aeronautical Engineering, Indian Institute of Science, Bangalore-12, India
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Abstract: | Suitable pin-to-hole interference can significantly increase the fatigue life of a pin joint. In practical design, the initial stresses due to interference are high and they are proportional to the effective interference. In experimental studies on such joints, difficulties have been experienced in estimating the interference accurately from physical measurements of pin and hole diameters. A simple photoelastic method has been developed to determine the effective interference to a high degree of accuracy. This paper presents the method and reports illustrative data from a successful application thereof. |
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