MATERIAL ANALYSIS OF THE ENGINE PART FOR THE HISTORICAL MOTORCYCLE JAWA 250, 1939

Lukáš Kudrna, P. Váňová, J. Malcharcziková, T. Kubín
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Abstract

This article deals with the chemical composition of the engine part mounted on the historical motorcycle JAWA 250 from 1939. Before the company started making motorcycles, it was engaged in the production of firearms. It was an arms industry, and this also entailed high demands on the quality of the products, which can be observed not only on aluminum alloy castings but also on other parts of the motorcycle. The part under review is made of aluminum alloy and serves as a holder for the motorcycle ignition mechanism. It is one of many parts of the engine. There are several reasons for material analysis. The motorcycle was restored, and it was important to find out what material our ancestors used to produce the parts of the motorcycle. The measurement result can be used to produce a new part if necessary, which will be possible to replace either the missing part or the part in an already unrepairable state. The issues concerning the production of spare parts for historical means of transport or technical monuments are generally very extensive. Production processes and materials must be observed. For this reason, material analysis is of great importance and in the future, we will not be able to avoid it in the process of cultural technical monuments restoration. The information found may assist restorers to manufacture or repair of damaged parts. There were more types of JAWA motorcycles produced in the interwar period and the results of this research can be also applied in general.
历史摩托车java 250发动机零件材料分析,1939
本文讨论了1939年历史悠久的JAWA 250摩托车发动机部件的化学成分。在开始生产摩托车之前,该公司从事枪支生产。这是一个军火工业,这也意味着对产品质量的要求很高,这不仅可以在铝合金铸件上观察到,而且在摩托车的其他部件上也可以观察到。该部件由铝合金制成,用作摩托车点火机构的支架。它是发动机众多部件中的一个。材料分析有几个原因。摩托车被修复了,重要的是要找出我们的祖先用什么材料来生产摩托车的零件。测量结果可以用来生产一个新的零件,如果有必要,这将有可能取代缺失的部分或部分在一个已经无法修复的状态。为历史运输工具或技术纪念物生产备件的问题通常非常广泛。生产过程和材料必须遵守。因此,材料分析是非常重要的,在未来的文化技术古迹修复过程中,我们将无法避免它。发现的信息可能有助于修复者制造或修理损坏的部件。在两次世界大战期间,爪哇摩托车的生产种类较多,本研究的结果也可以普遍应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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