Abstract
The new maintenance system of semi-trailer combination as a most used road freight transport means is the subject of interest in this article. The real experiences from practice and creation of the FMEA analysis of the system using software support are the basis of wear and damage analysis of air brake system components used on the semi-trailer combination. The desire to improve market position of the company, customer satisfaction, but also the product specifications, government regulatory requirements, agency recommendations, and legal implications are the grounds for continuous improvement of the product quality, reliability and safety. These reasons push the product manufacturers to perform risk analyses, which helps them identify and minimize system failures during the life cycle of product. One of the risk analysis techniques recommended by international standards to identify possible failure causes is the FMEA methodology. It helps to locate the failures and reduce their consequences, so that the intended function of the machine is fulfilled. In this paper was presented the wear and damage analysis of individual components of air brake system and creating of the FMECA analysis for semi-trailer combination. Base on them, new methods to detect failures of components of air systems, preventive measures and set up of a new planned preventive maintenance system for air brakes was designed. The cost of the proposed maintenance system is 2.2 times higher than the cost of the current maintenance system, but it minimizes the failures and their consequences (traffic accidents).
Highlights
IntroductionRoad safety issues are the subject of interest of researchers from different European countries
In [17], the authors examined the impact of additional equipment of a truck tractor with semi-trailer on aerodynamic properties by simulation in a wind tunnel
From this study resulted that the articulated vehicle stability depends on the trailer parameters and on the connection to the tractor
Summary
Road safety issues are the subject of interest of researchers from different European countries. From this study resulted that the articulated vehicle stability depends on the trailer parameters (e.g., mass, centre of gravity and dimensions) and on the connection to the tractor. Articulated vehicles demonstrated their economic profitability, but as the number of these vehicles grows, it is observed that there is a need to improve their performance in terms of handling and control [11]. The most commonly used means of transport in road freight transport is a semi–trailer combination This consists of tandem truck or truck with semi-trailer. This type is the most commonly used means of transport and became a subject of interest in the solution of the research in which maintenance of selected parts of semi–trailer combination was solved. Risk priority number (RPN) values resulting from proposed preventive maintenance were used at the new maintenance system whose main objective was to reduce the impact of any failure in any component on the air brake system [18]
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