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The application of a photopolymer material for the manufacture of machine elements using rapid prototyping techniques

100%

Andrearczyk A.

tom nr 4

8628--8635, CD3

The paper discusses the application of polymer resin for 3D printing. The first section focuses on rapid prototyping technique and properties of the photopolymer, used as input material in the manufacture of machine components. Second part of the article was devoted to exemplary 3-D-printed elements for incorporation in machines. The article also contains detailed description of problems encountered in implementation of the selected rapid prototyping technology and the ways to deal with them.

W artykule omówiono zastosowanie żywicy polimerowej w wydruku przestrzennym. W pierwszej części przedstawiona została technologia szybkiego prototypowania oraz właściwości fotopolimeru wykorzystywanego do tworzenia elementów maszyn. Druga część artykułu została poświęcona przykładowym wydrukom i ich zastosowaniom w maszynach. Artykuł zawiera również opis problemów na jakie napotkano się w trakcie korzystania z wybranej technologii szybkiego prototypowania oraz ich eliminację.

A concept of a test stand for the investigation of a 3D printed turbochargers and selected ﬂuid-ﬂow machinery

63%

Andrearczyk A. , Żywica G.

tom nr 133

3--11

The paper describes the general concept of using the rapid prototyping methods and their application tomanufacturing of selected components of rotating machinery. Chosen rapid prototyping technology (multijet printing) allows precise manufacture of rotor models with complex geometry, without the need for their further processing. The research is planned to be performed on designed test rig, which is described in the paper. 3D printed elements will be pretested using air from a high performance compressor. Basic preliminary testing and own experience has shown that this technology is faster, cheaper and more accurate than conventional manufacturing. This fact can signiﬁcantly contribute to the development of production and research of prototypical ﬂuid-ﬂow machines. The tensile strength testing of the two materials which are used in a 3D printer in diﬀerent printing directions has been also discussed.

Test stand for the experimental investigation of turbochargers with 3d printed components

51%

Andrearczyk A. , Bagiński P. , Żywica G.

tom Vol. 22, nr 2

397--404

The paper discusses the universal test stand which allows determining the characteristics of turbochargers. Currently, there are works carried out in the world aimed to develop innovative fluid-flow machines, made partly with the use of rapid prototyping technology. This type of manufacturing technology allows reducing production time and costs in comparison to conventional methods of prototyping. This article also discusses start-up tests of the experimental test stand using a commercial turbocharger and the comparison between calculated and experimental results. In this paper, there are also described some modifications of the test stand, made prior to the start-up test, which were necessary to get more accurate characteristics of turbochargers. This work is an introduction to the investigation on turbomachines, whose elements were manufactured using the rapid prototyping technology.