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• The Use of Additive Manufacturing for Wind Tunnel Simulations

  62-71

  Tamás Pálfi

  Péter Ficzere

  Views:

  101

  The current economical situation requires aircraft operators to start organizing their  activity in the direction of carbon neutrality using innovative solutions.

  The goal of present study is to desing a brand new wingtip device using 3D printing which helps reducing aerodynamical drag, leading to fuel efficiency and less carbon emission with its innovative shape.

• The Investigation Of Heat-Resistant PLA Produced By Additive Manufacturing Technology

  24-29

  Péter Ficzere

  Norbert László Lukács

  Views:

  156

  In recent years, additive manufacturing technologies have been increasingly used in both custom and small-series production. In such cases, the component must remain functional under realistic conditions.. This means that there must also has a load‑bearing capacity. In many cases, materials are already suitable for strength. However, in many cases (machine parts, outdoor use) the models need to operate reliably at higher temperatures. This seems to be solved by the most widespread additive manufacturing technology (FDM), with a new heat-resistant material, HT PLA. In many cases, the use of cooling is essential during manufacture, especially for parts with high overhangs where hardening of the material is required as soon as possible to achieve the correct surface quality. In this paper, we investigated the effect of cooling applied during manufacturing on the mechanical strength