Abstract
Abstract Dynamic development of 3D printing technology contributes to its wide applicability. FDM (Fused Deposition Method) is the most known and popular 3D printing method due to its availability and affordability. It is also usable in design of technical objects – to verify design concepts with use of 3D printed prototypes. The prototypes are produced at lower cost and shorter time comparing to other manufacturing methods and might be used for a number of purposes depending on designed object’s features they reflect. In the article, usability of 3D printing method FDM for designing of technical objects is verified based on sample functional prototypes. Methodology applied to develop these prototypes and their stand tests are covered. General conclusion is that 3D printed prototypes manufactured with FDM method proved to be useful for verifying new concepts within design processes carried out in KOMAG.
Highlights
Development and analysing of design concepts is integral activity within engineering design
The question that arose was, whether it is possible to verify new design concepts of nozzles and clutches via stand tests of their functional prototypes fabricated on an FDM 3D printer
The tests confirmed that use of FDM for manufacturing of prototypes of nozzles is usable for testing of their new designs, and brings reliable results
Summary
Development and analysing of design concepts is integral activity within engineering design. The question that arose was, whether it is possible to verify new design concepts of nozzles and clutches via stand tests of their functional prototypes fabricated on an FDM 3D printer. Each material was accepted for the tests to determine which of these materials is best for manufacturing the prototype of the new designed nozzle, taking into account the quality of the generated stream parameters (fractional distribution and range of the drops). RESUTLS AND DISCUSSION Tests of psychical models of the STK-ZZ-2 nozzle Fig. 7 shows a change in the quality parameter of the Dv(50) stream depending on the feeding media pressure, for each STK-ZZ-2 nozzle, i.e. the steel one and the 3D printed ones. Operational parameters of water stream from plug-in nozzles: D1 – cylindrical outlet, D2 – conical outlet, D3 - cylindrical outlet, water opening in the axis
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