By Ian Gibson, David Rosen, Brent Stucker
This ebook covers intimately a few of the features of becoming a member of fabrics to shape components. A conceptual evaluate of swift prototyping and layered production is given, starting with the basics in order that readers can wake up to hurry speedy. strange and rising purposes similar to micro-scale production, clinical purposes, aerospace, and fast production also are mentioned. This publication presents a finished evaluate of speedy prototyping applied sciences in addition to aid applied sciences resembling software program platforms, vacuum casting, funding casting, plating, infiltration and different systems.
This publication also:
Reflects fresh advancements and traits and adheres to the ASTM, SI, and different standards
Includes chapters on car know-how, aerospace know-how and inexpensive AM technologies
Provides a huge diversity of technical inquiries to be certain finished knowing of the innovations covered
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Additional resources for Additive Manufacturing Technologies: 3D Printing, Rapid Prototyping, and Direct Digital Manufacturing
10 Exercises 17 provide force feedback relating to the virtual modeling environment. An object can be seen on-screen, but also felt in 3D space using the Phantom. The modeling environment includes what is known as Virtual Clay that deforms under force applied using the haptic cursor. This provides a mechanism for direct interaction with the modeling material, much like how a sculptor interacts with actual clay. The results using this system are generally much more organic and freeform surfaces that can be incorporated into product designs by using additional engineering CAD tools.
5 Geometry AM machines essentially break up a complex, 3D problem into a series of simple 2D cross-sections with a nominal thickness. In this way, the connection of surfaces in 3D is removed and continuity is determined by how close the proximity of one cross-section is with an adjacent one. Since this cannot be easily done in CNC, machining of surfaces must normally be generated in 3D space. , this is a relatively easy process defined by joining points along a path; these points being quite far apart and the tool orientation being fixed.
Incorrect programming of a CNC machine could result in severe damage to the machine and may even be a human safety risk. 4 shows a montage of parts fabricated using some of the common AM processes. Part a. 7 Example AM Parts 13 The cavity here may be too deep to machine The undercut here cannot be performed without more than 3 axis machining Base cannot be machined since machine must hold using a fixture Sharp internal features cannot be machined without a tool radius Fig. 3 Features that represent problems using CNC machining Fig.
Additive Manufacturing Technologies: 3D Printing, Rapid Prototyping, and Direct Digital Manufacturing by Ian Gibson, David Rosen, Brent Stucker