Rapid prototyping/manufacturing of product assemblies
Başlık çevirisi mevcut değil.
- Tez No: 517689
- Danışmanlar: Dr. OLADELE OWODUNNI
- Tez Türü: Yüksek Lisans
- Konular: Makine Mühendisliği, Mechanical Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2016
- Dil: İngilizce
- Üniversite: University of Greenwich
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 50
Özet
Özet yok.
Özet (Çeviri)
3D printers are essential tools for the rapid prototyping. With the development of technology, 3D printers (especially work with Fused Deposition Modelling principle) are being used in the manufacturing industry widely. It is a problem that the usage of printing and support material unnecessarily during the printing process. Thus, this study aims to investigate and determinate the amount of support material usage in the process of printing an assembly in a 3D printer which works based on the principle of Fused Deposition Modelling technology. In the light of this information, it is targeted to reach a general solution for a printing assembly process about the usage of minimum support material. Subsequent to this, four different type of crank-slider mechanisms are designed to represent assembly. During the 3D printing process, depending on each crank's rod angle, requirement of support material usage for a fixed orientation is recorded. In this study, it resulted that when the positions of an assembly's components were arranged properly, it was possible to reduce support material generation during the printing process. The minimum amount of support material was desired for when the distance between crank and slider has the almost maximum value. Result findings showed that when the crank's rod had 260 – 290 degree of angle, the distance between crank and slider had the almost maximum value, and the minimum support material was required in order to print the mechanism. Besides, another critical position was obtained when the degree of crank's rod angle varied between 75 to 100, the overlapping positon. It was observed that for this position, the amount of support material usage decreased. Finally, according to results, consuming the unnecessary support material usage can be prevented between 3% and 6% without any need for extra investment. Consequently, although this study reached a general solution for the problem which is studied on, for the future research, it is recommended to assess more different type of crank-slider mechanism by using different types of CAD and 3D simulator software products in order to reach stronger results.
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