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首页> 外文期刊>Periodica Polytechnica. Transportation Engineering >Dry milling of magnesium based hybrid materials
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Dry milling of magnesium based hybrid materials

机译：镁基杂化材料的干磨

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摘要

In the transportation industry, a general desire is to reduce the energy consumption. One way to achieve this is the use of light weight metals like magnesium and its' alloys. An alternative solution is the use of magnesium based hybrid structures which are combinations of magnesium and another material like aluminium or steel in one machine part. Hybrid materials can offer optimal technical performance due to the favourable strength-weight ratio. On the other hand during cutting increased difficulties arise due to the different nature of thecoupled materials. Hybrid material couples due to their constructions have to be machined in one operation. Particularly the magnesium–sintered steel combination requires special approach because of the completely different machinability of the constituents. Authors aimed to optimize face milling process of hybrids in dry conditions. Experiments focused on the tool material and cutting edge geometry. The milling tests on the hybrid material couple specimens were carried out basically by single cutting edge, and the cutting forces, torque, surface roughness, the chip temperature was measured in the cutting process. Because of the flammability of magnesium chips, shape and type of chips were also examined.
机译：在运输行业中，人们普遍希望减少能耗。实现这一目标的一种方法是使用轻质金属，例如镁及其合金。另一种解决方案是使用镁基混合结构，该结构是镁和另一种材料（如铝或钢）在一个机器部件中的组合。由于有利的强度重量比，混合材料可以提供最佳的技术性能。另一方面，在切割过程中，由于耦合材料的不同性质，增加了难度。混合材料对由于其结构而必须在一次操作中进行机加工。特别是镁烧结钢的组合，由于成分的可加工性完全不同，因此需要特殊的方法。作者旨在优化干燥条件下杂种的端面铣削工艺。实验侧重于工具材料和切削刃的几何形状。基本上在单个切削刃上对混合材料对试样进行铣削测试，并在切削过程中测量切削力，扭矩，表面粗糙度，切屑温度。由于镁屑的易燃性，还检查了屑的形状和类型。

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