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http://dx.doi.org/10.14775/ksmpe.2014.13.5.001

Structural analysis of a planetary gear carrier in the slewing reducer for tower crane  

Cho, Seung-Je (Department of System Reliability, Korea Institute of Machinery & Materials)
Han, Jeong-Woo (Department of System Reliability, Korea Institute of Machinery & Materials)
Park, Young-Jun (Department of System Reliability, Korea Institute of Machinery & Materials)
Lee, Geun-Ho (Department of System Reliability, Korea Institute of Machinery & Materials)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.13, no.5, 2014 , pp. 1-7 More about this Journal
Abstract
In this paper the structural analysis of a planet carrier was carried out for the design optimization of a slewing reducer used in tower cranes. The stress changes of the planet carrier according to the tolerance of interference fit were investigated, and the strength was evaluated on the basis of the stress level. The analysis results showed that the tolerance of interference fit have an important influence on the stress level of the planet carrier. To guarantee the static safety of carrier, the tolerances of carrier pinhole and planet pin as well as loading level exerted on the planet carrier should be determined considered correctly.
Keywords
Tower crane; Slewing reducer; Carrier pinhole; Planet pin; FE analysis;
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