Browse Publications Technical Papers 2009-36-0054

Dynamic simulation of primary belt drive components applied in internal combustion engines 2009-36-0054

The primary belt drive is required to synchronize the crankshaft and camshaft of internal combustion engines, keeping the belt tensioned. In order to provide optimum setting of the belt force (compensation of fluctuations in the belt force due to temperature, wear or dynamic effects) automatic belt tensioning system is used, nevertheless, the components of such systems are liable to high dynamic loading condition.
Oscillatory loading and noise arise from the engine internal combustion and primary belt drive components can present failures even with conservative designs concerning to static loading.
This paper intends, by means of numerical methods, such as Finite Elements Method (FEM) through the commercial software Abaqus, analyze the dynamic behavior of critical components of the primary belt drive system, in order to avoid failures due to dynamic excitation and resonance.
Tools in the frequency domain were taken into account with the aim of validate the computational calculations through experimental measurements.


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