This paper is on the effects of the wear elongation on a long-distance transmission roller chain. It presents the formulas of load calculation and the formulaic relationship between load and wear elongation in theory, with the point-by-point calculation method and chains/sprockets gearing model. With RecurDyn software for the analysis and verification of the theoretical results, it concludes that the total tension of every chain is the sum of static load and the corresponding proportion of dynamic load, and that a logical pre-tension can effectively reduce the vibration.
With times of tensile tests, the tensile behavior of a kind of stainless steel at room temperature was determined. According to the results of tensile tests, some parameters of mechanical properties of the stainless steel can be obtained. Fatigue crack expansion of COD stainless steel specimens at room temperature can be simulated with the finite element software extensions.
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