Abstract
Due to the variety of materials used for flat belts of belt conveyors and the further development of material engineering in relation to these belts, the methods of their connection become an increasingly problematic issue. The belts can be connected mainly in three ways: vulcanized (weldable or heat-weldable), glued or mechanically. The latter method is one of the simplest and most universal in terms of the material variety of belts; however, there are many design variations of mechanical fasteners, and each of them has a certain advantage in a narrow group of properties, e.g., the thickness spectrum of a conveyor belt, the minimum diameter of a drive roller or the range of transferable longitudinal loads. The objective of this paper is to analyze the design solutions of commercial mechanical fasteners used mainly for flat rubber-fabric, composite or plastic belts. To fulfill this goal, a preliminary analysis of the stress distribution for an exemplary solid mechanical fastener was carried out in two cases: during ramp-up and during circulating around the roll, followed by a detailed review of commercial solutions available on the market. In addition to determining the current state of knowledge and technology and determining the state of ignorance, special algorithm and design maps have been created, thanks to which the process of selecting the right mechanical fastening will be easier. The overview includes several tables with detailed information on individual connection properties. Additionally, several design aspects were derived, within which individual mechanical connections may differ. This is to enable the generation of customized solutions in the future by proposing an appropriate mathematical model, on the basis of which it will be possible to generate optimal design properties for a given application.
Highlights
The rapid increase in production, which characterizes the development of modern industry, requires systematic improvement on the level of organization and mechanization of production processes
This applies to the state of organization and the development of in-plant systems and means of transport, which must ensure the continuous circulation of raw materials, semi-finished products and finished products by all production, control and storage stocks, as well as guarantee an uninterrupted production process of auxiliary materials [1]
The most important aspect in choosing the right fastener is the type of application
Summary
The rapid increase in production, which characterizes the development of modern industry, requires systematic improvement on the level of organization and mechanization of production processes. Tensioning the belt is necessary to create on the surface of the driving roller the tractive force needed to overcome the resistance to movement of the conveyor and move the transported material to the desired level and distance. An article was found [21] in the available scientific databases that was helpful in the process of choosing the right mechanical connection of flat conveyor belts; the development of their design and the use of more and more complex materials for the belts determine the need for a deeper study of this issue. I want to check what the model of the roller-belt-connection system looks like using two extremely different roller diameters In this case, the linear speed of the belt must remain the same in both systems, because we want the load to move at a given speed. It is expected that the final stage of activities in the field of this topic will be the development of a mathematical model that will allow to design an optimal mechanical connection for the given output parameters in terms of construction
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