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Additional info for Additive Manufacturing. 3D Printing for Prototyping and Manufacturing
1 shows an example of a three-dimensional model of a plastic and the resulting shift model, which is marked by the stair-step effect. 1 Stepped surface as a result of the layering process. Three-dimensional solid model (left) with marked equidistant layers and the created layer model (right) (Source: FH-Aachen) The stair-step effect is a typical characteristic of the additive manufacturing process that can never be entirely eliminated but can be reduced by decreasing the layer thickness. 125 mm.
13). 14). 13 Articulated cable clamp, a final product made by laser sintering from polyamide in one piece. 14 Cutaway model of a gas turbine blade, gypsum ceramics, made with a powder-binder process (Source: IwF-Aachen) 19 2 Characteristics of the Additive Manufacturing Process Additive manufacturing machines on the market today are developed at a high rate of speed. New processes that are currently in the laboratory stage or under development will break into the market while simultaneously, tried and tested systems will be upgraded within a relatively short time.
Before starting production of an AM model, the 3D model first has to be placed on the building platform in the optimal direction by the front-end or additive manufacturing software. It is also necessary to add the process-specific data like the supports. 2 Generation of Layer Information simultaneously on the platform. In some AM processes the components are placed into and one above each other. 6 Data flow during additive manufacturing Third-party software contains optional features that allow, for example, the derivation of 3D data from 2D sketches.
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