Abstract
Silent chains tend to have more and more usage in automotive industry. The study of these types of chains has a lot to consider due to the fact that silent chains are not standardized yet. The aim of this paper is to study and analyse the theoretical contact point between a silent chain’s toothed plate and an involute sprocket. Varying different parameters of the chain and sprocket, there will be studied its effects on the theoretical contact point and the sprocket’s profile geometry.
Highlights
Improving tribological performances of automotive power units can have significant benefits related to power increase, friction reduction, oil and fuel consumption reduction and not in the last place could increase the reliability of engine components [1].There are different approaches trying to reduce friction between automotive engine components, one of which is presented by [2], within there are considered different materials, surface treatments and surface coatings of engine timing chain transmissions
The aim of this paper is to study and analyse the theoretical contact point between a silent chain’s toothed plate and an involute sprocket
Varying different parameters of the chain and sprocket, there will be studied its effects on the theoretical contact point and the sprocket’s profile geometry
Summary
Improving tribological performances of automotive power units can have significant benefits related to power increase, friction reduction, oil and fuel consumption reduction and not in the last place could increase the reliability of engine components [1]. Influence of the centrifugal force and the number of teeth on the forces distribution that can be found in a silent chain transmission was analysed in [10] with the conclusion that the load is distributed not just on the first links but on several links. Another view on the force distribution in the case of a silent chain transmission was presented with the consideration of the friction force that appears between the silent chain’s elements and the sprocket in [11]. The contact point position will be analysed for a silent chain transmission with involute sprocket
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