Solid freeform fabrication PDFdownload book for $9.99 (free for members)

Author: Wikipedia (That means the book is composed entirely of articles from Wikipedia that we have edited and redesigned into a book format. If you would prefer to read the unedited articles in their old format for free, we have provided a list of the article titles under "chapters" below. Simply go to Wikipedia and use their search form to locate each individual article.)

Pages: 23

Year published: 2011

Chapters: RepRap Project, 3D printing, STL, MakerBot Industries, Rapid prototyping, Solidscape, 3D Systems, Stereolithography, Selective laser melting, PLY, Fused deposition modeling, Selective laser sintering, Digital materialization, CandyFab, Ultrasonic consolidation, Electron beam melting, Stratasys, Digital fabricator, Laser engineered net shaping, Photopolymer, Laminated object manufacturing, D-Shape, CatalystEX, NovoGen, BJB Enterprises, Artifacturing, Polyphenylsulfone, Dimension, Inkjet 3d printing.

Random excerpt from the book:
...The RepRap project is an initiative to develop a 3D printer (RepRap, short for "replicating rapid prototyper") that can print most of its own components. As an open design, all of the designs produced by the project are released under a free software license, the GNU General Public License. RepRap uses a variant of fused deposition modeling, an additive manufacturing technique. To date, the RepRap project has released two 3D printing machines: "Darwin", released in March 2007, and "Mendel", released in October 2009. Developers have named each after famous biologists, as "the point of RepRap is replication and evolution". Due to the self-replicating ability of the machine, authors envision the possibility to cheaply distribute RepRap units to people and communities, enabling them to create (or download from the internet) complex products without the need for expensive industrial infrastructure. They intend for the RepRap to demonstrate evolution in this process as well as for it to increase in number exponentially. RepRap was founded in 2005 by Dr Adrian Bowyer, a Senior Lecturer in mechanical engineering at the University of Bath in the United Kingdom. As an open-source project designed to encourage evolution, many variations exist, and the designer is free to make modifications and substitutions as they see fit. However, RepRap 3D printers generally consist of a thermoplastic extruder mounted on a computer-controlled Cartesian XYZ platform. The platform is built from steel rods and studding connected by printed plastic parts. All three axes are driven by stepper motors, in X and Y via a timing belt and in Z by a leadscrew. At the heart of the RepRap is the thermoplastic extruder. Early extruders for the RepRap used a geared DC motor driving a screw pressed tightly against plastic filament, forcing it past a heated melting chamber and through a narrow extrusion nozzle. However, due to their large inertia, DC motors cannot quickly start or stop, and are therefore dif...


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