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Analysis of the technological process of rings of train wheels

Topolska S.

Journal of Achievements in Materials and Manufacturing Engineering

2006

Vol. 17, nr 1-2

405--408

Purpose: The aim of this paper is to show the analysis of a specific process of manufacturing the rings of train wheels. Secondly this work presents the exemplars of possible faults in this technology. Design/methodology/approach: The presented work bases on the investigations made in chosen manufacturing plant. Also laboratory tests have been made to point the discovered problems. Findings: Results show that it is important to apply in modern manufacturing processes the system of monitoring. Also it helps to establish the continuous quality assurance system. Moreover it is proved that quality system must cooperate with the training system. Research limitations/implications: The presented elaboration includes results from one manufacturing plant. It is consider with the fact that this production process is rare so it is difficult to receive comparative data. Secondly, the limitation of this work is the commercial secret. Some specific parameters of presented process are secret. Also the name of manufacturing plant is omitted. Practical implications: The implication of the work could be found in two remarks. Firstly it is important to introduce to the industry practice the integrated approach. Secondly the human and technical factors are equally important. Originality/value: The value of this work is its subject. In this work a very rare technological process is presented. Secondly, in this work it is presented the analysis of quality parameters of this process. Also are proposed the general solutions of same faults.

Profiles synthesis through radii variation of arcs profile

Gerlici J., Lack T.

Archives of Transport

2006

Vol. 18, iss. 3

37-56

The articIe deals with one of the ways of profile geometry design of a railway wheel and rail. The base for the creation of a new profile is an interactive attitude based on the modification of "the original shape which is defined by section of a railway wheel profile", with mutually connected and exactly defined ares radii. It is possible to change them according to shape needs of the final geometrical characteristics.

Niniejszy artykuł rozważa jeden ze sposobów projektowania profilu geometrycznego koła pociągu oraz szyn. Podstawą stworzenia nowego profilu jest interaktywne podejście oparte na modyfikacji oryginalnego kształtu, który jest zdefiniowany przez przekrój profilu koła pociągu wraz z wzajemnie połączonymi i dokładnie zdefiniowanymi promieniami łuku. Możliwa jest jego zmiana zgodnie z wymaganym kształtem końcowej charakterystyki geometrycznej.