2006 International Solid Freeform Fabrication Symposium
Recent Submissions
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Selective Infrared Sintering of Polymeric Powders using Radiant IR Heating & Ink Jet Printing
(2006-09-14)Established methods of rapid prototyping by sintering polymeric powders have predominantly focused on the use of lasers to selectively heat the polymeric particles together to form fused layers. Although effective, this ... -
Repeatability Analysis of 304L Deposition by the LENS® Process
(2006)Sandia National Laboratories is currently engaging in an effort to qualify Laser Engineered Net Shaping™ (LENS®) as a repair and modification process for high rigor metal components. As part of that effort, the LENS team ... -
Reduction of Machine Tool Times Through a Software/Hardware Integrated Solution
(2006)Toolmaking is an industry that creates metal moulds, generally of durable tool steels, for producing vacuum-formed and injection moulded plastic parts, which are used in thousands of everyday items such as mobile phones. ... -
Process Parameters Optimization for Ultrasonically Consolidated Fiber-Reinforced Metal Matrix Composites
(2006-09-14)As an emerging rapid prototyping technology, Ultrasonic Consolidation (UC) has been used to successfully fabricate metal matrix composites (MMC). The intent of this study is to identify the optimum combination of processing ... -
Principles of Laser Micro Sintering
(2006-09-14)Laser Micro Sintering was introduced to the international community of freeform fabrication engineers in 2003 and has since been employed for a variety of applications. It owes its unique features to certain effects of ... -
Practical Issues in the Application of Direct Metal Laser Sintering
(2006)Direct Metal Laser Sintering (DMLS) was introduced to meet the objective of producing metal parts directly from CAD data. CRDM has accumulated six years of experience in applying this technique, mostly to prototyping ... -
Mechanical Behavior of SLS Components in Relation to the Build Orientation During the Sintering Process as Measured by ESPI
(2006)Selective Laser Sintering (SLS) allows producing real parts from CAD data from materials with different characteristics compared to the final model, presenting dissimilar mechanical properties between the prototype and ... -
Localized Preheating Approaches for Reducing Residual Stress in Additive Manufacturing
(2006)Uniform preheating can be used to limit residual stress in the solid freeform fabrication of relatively small parts. However, in additive manufacturing processes, where a feature is deposited onto a much larger part, ... -
Improving Linear Weld Density in Ultrasonically Consolidated Parts
(2006-09-14)Ultrasonic consolidation is a novel additive manufacturing process with immense potential for fabrication of complex shaped three-dimensional metallic objects from metal foils. The proportion of bonded area to unbonded ... -
High Speed Sintering – Continuing Research into a New Rapid Manufacturing Process
(2006)High Speed Sintering (HSS) is an emerging layer manufacturing technique aiming to break into the lucrative field of Rapid Manufacturing (RM). The process is likened to Selective Laser Sintering (SLS), however, instead ... -
Fab@Home: The Personal Desktop Fabricator Kit
(2006)Solid freeform fabrication has the potential to revolutionize manufacturing, perhaps even to allow consumers to customize and manufacture goods cost-effectively in their own home. At present, the florescence of the ... -
Exploiting the Design Freedom of RM
(2006)This paper details how Rapid Manufacturing (RM) can overcome the restrictions imposed by the inherent process limitations of conventional manufacturing techniques and become the enabling technology in fabricating optimal ... -
Expanding Rapid Prototyping for Electronic Systems Integration of Arbitrary Form
(2006-09-14)An innovative method for rapid prototyping (RP) of electronic circuits with components characteristic of typical electronics applications was demonstrated using an enhanced version of a previously developed hybrid ... -
Dry Powder Microfeeding System for Solid Freeform Fabrication
(2006)Second generation SFF techniques allow both composition and shape to be downloaded directly from a computer file so that 3D functionally graded materials (FGM) can be assembled. Methods for multi-material deposition are ... -
Development of an Automated Multiple Material Stereolithography Machine
(2006)An automated Multiple Material Stereolithography (MMSL) machine was developed by integrating components of a 3D Systems 250/50 stereolithography (SL) machine in a separate stand-alone system and adapting them to function ... -
Design and Freeform Fabrication of Deployable Structures with Lattice Skins
(2006)Frontier environments—such as battlefields, hostile territories, remote locations, or outer space—drive the need for lightweight, deployable structures that can be stored in a compact configuration and deployed quickly ... -
Automation of a Hybrid Manufacturing System Through Tight Integration of Software and Sensor Feedback
(2006-09-14)This paper presents a framework for the automation of the Laser Aided Manufacturing Process (LAMP) lab at the University of Missouri-Rolla. The groundwork for the proposed system involves the integration of the LabVIEW ... -
Approach Tolerance in the Assemblies of Evolutionary Hybrid Prototypes
(2006-09-14)A new answer is proposed to replace the traditional “one shot” prototype (manufactured in one piece with one process): the hybrid rapid prototype. It is used to highly reduce time, cost and increase reactivity during the ... -
An Investigation of Gas-Powder Flow in Laser-Based Direct Metal Deposition
(2006-09-14)Laser-Based Direct Metal Deposition (LBDMD) is a blown-powder laser deposition process which can produce fully-dense and metallurgicaly sound parts by a layered manufacturing method. Since a deposition head equipped with ...