The article focuses on additive manufacturing (AM) or also known as three-dimensional (3D) printing as an alternative for rapid prototyping. It says that AM is use in stereo lithography and selective laser sintering wherein the shape defined by computer-aided design (CAD) is achieved through deposition of various materials and use of lasers to fuse the layers. It mentions the increase trend of using bonded sand as build material.
The article reports on the development of additive manufacturing, more commonly known as three-dimensional (3D) printing. It is said that additive manufacturing is increasingly used to produce parts with greater speed, improved economics and performance. Earlier, additive manufacturing was primarily used to make prototypes of new products.
RAPID prototyping, PROTOTYPES, MANUFACTURING processes, JUST-in-time systems, PRODUCTION control, and FOUNDING
Provides information about rapid prototyping systems. Mechanics of the rapid prototyping system; Advantages of rapid prototyping methods; Significance of the rapid prototyping systems in metalcasting processes. INSET: Rapid prototyping advances medical bone implant technology.
Focuses on the advantages of rapid prototyping technologies for product development in the foundry industry. Increase of market share; Factors to consider in the correction of design errors; Enhancement of the manufacturing processes. INSET: Rapid Prototyping Advances Medical Bone Implant Technology.
TECHNOLOGY, RAPID prototyping, ENGINEERING design, MANUFACTURES, COLLEGE campuses, UNDERWATER pipelines, and OCEAN engineering
The article reports on the launch of Baker Hughes' Subsea Centre of Excellence (CoE) in Montrose on the northeast coast of Scotland in June 2019 to leverage the best of industry innovation, engineering, manufacturing, test and assembly facilities in the world. It mentions that upgraded and expanded CoE created to encourage product innovation on a new scale.
Machine Design. 4/8/2010, Vol. 82 Issue 6, p52-55. 4p. 3 Color Photographs, 1 Black and White Photograph.
RAPID prototyping, PRINTING, ENGINEERING equipment, MACHINE design, and SINTERING
The article presents survey findings on the capability of rapid-prototyping (RP) technique for micromolded components in a machine design in the U.S. The gathered data primarily focuses on the dimensions, features and performance of various RP technologies, considering the technology requirement in the medical, optical and microelectronics industries. Among the assessed RP tools include stereolitography, 3D printing or inkjet printing, and selective laser sintering.
The article focuses on the booming industry of additive manufacturing. According to NIST’s Brandon Lane, the technology is still relatively new, and maintaining quality control can be time-consuming and challenging. The build up of residual stresses which create cracks between layers and warping the piece is cited.
RAPID prototyping, COMPUTER software, PROTOTYPES, and ENGINEERING design
Looks at materials and build techniques that change the way companies use rapid prototyping (RP) equipment. Information on some RP build improvements which include software revisions; Benefits of rapid prototypes; Description of the Z-Cast RP pattern process from Griffin Industries. INSETS: Accurate RP parts tell more in wind tunnel tests;Thin layers produce smooth surfaces.
RAPID prototyping, LITHOGRAPHY, MODELING (Sculpture), SINTERING, and MOLDING (Founding)
The article presents several rapid-prototyping techniques for micromolded parts which include stereolithography (STL), fusion-deposition modeling (FDM) and selective laser sintering (SLS). It says that the first technique utilizes liquid ultraviolet (UV) curable photopolymer resin touched on a UV laser beam. The second technique extrudes a modeling material through a nozzle while the last one uses a high-temperature laser to melt metal into a three-dimensional (3D) part.
This article reports that rapid prototyping has evolved from a relatively simple modeling technique that allows design engineers to "test" their ideas in three dimensions to a sophisticated custom-manufacturing tool that may one day find its place alongside the copy machines at the local copy center or in the parts department at the local automobile dealership. Direct metal deposition is a laser-melting process that uses a powder nozzle to deposit metal powder onto existing tools to build the components layer by layer. While the last few years have seen the development of new rapid-prototyping technologies and processes that overcome the geometry problem, the available materials have not had adequate properties to enable them to build production-quality parts. INSET: High-power lasers enable metal-powder prototyping.
The article presents information on several new approaches for rapid prototyping. Neil Gershenfeld of the Massachusetts Institute of Technology established a few fabrication laboratories (Fab Labs) a few years ago in universities, colleges and housing projects. ShopBot CNC router is a digital fabrication machine developed by ShopBot Tools Inc. based in Durham, North Carolina, which provides a format for making several industrial machines and devices.
The article focuses on enhancement of advanced freeform optics by using subaperture stitching. Topics include advancement in freeform fabrication technology with improved diamond turning, grinding, and polishing machines; information on profilometry which is a cost-effective technique for measuring aspheric shapes; and an information that subaperture stitching lacks the ghosting and other diffraction artifacts in a computer-generated hologram that can corrupt mid-spatial frequency estimates.
RAPID prototyping, MANUFACTURING processes, PROTOTYPES, NEW product development, and METAL castings
The article offers information on rapid prototyping, a manufacturing concept which do not necessarily involve metal casting that develops physical prototypes of finished products before starting series production. It presents a scope of possibilities for metal casting operations in theory and practice. It notes that various technologies such as stereolithography and fused deposition modeling are processes wherein a prototype structure is built in a material that can hold the desired shape.
RAPID prototyping, MANUFACTURING processes, THREE-dimensional printing, FABRICATION (Manufacturing), and NANOFABRICATION
The article focuses on the move of additive manufacturing to replace conventional fabrication processes in critical areas ranging from aerospace components to medical implants. The possibility of the technology to become a target for malicious attacks is mentioned. The validation technique developed by researchers at Georgia Institute of Technology and Rutgers University is emphasized.
RAPID prototyping, NEW product development, PROTOTYPES, ENGINEERING models, and EQUIPMENT & supplies
The article evaluates the Eden550V, a PolyJet rapid prototyping system, from Stratasys Inc. and offers information on its speed and resolution settings which allows users to match these properties to specific projects.
RAPID prototyping, THREE-dimensional printing, 3-D printers, PRESSURE sensors, and DIGITAL printing
The article discusses the advantage for manufacturers to consider using 3D metal printing for flow and pressure sensors. Brief overview of the history of 3D printing and different industrial applications is explored. The development of quality standards for may of the 3D-metal printing alloys and processes, as well as its emerging methods, is also mentioned.
Foundry Management & Technology. Jul2001, Vol. 129 Issue 7, p20. 4p. 1 Color Photograph, 1 Black and White Photograph, 1 Chart.
RAPID prototyping and METAL castings
Focuses on the benefits of using rapid prototyping in the U.S. Ability to save time in product development process; Reduction in potential human errors caused by misinterpretation; Enhancement to the casting process of the machines.
COMPUTER software, RAPID prototyping, LIGHTING, ENERGY consumption, and OPTICS
The article offers information on software tools that design freeform optics for illumination. Topics discussed include newly developed tools integrated with commercial illumination software quickly create freeform reflective and refractive surfaces, freeform optics tailor resulting illumination pattern to meet system requirements such as enhance the visual appeal and improve energy efficiency.
RAPID prototyping, SOLID freeform fabrication, SUBMILLIMETER waves, PAPER, and DIFFRACTIVE optical elements
The article discusses the experimental research by researchers at the Warsaw University of Technology of warsaw, Poland and the University of Savoie of Le Bourget du Lac, France on the problems of fabrication process for rapid prototyping. It develops binary phased-based diffracted lenses from a commercially purchased paper to address the fabrication process problem. It suggests that nonparaxial paper diffractive lens with terahertz radiation for quick prototyping.