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its layers. By creating a liquid ink made of metal or mixed metal powders, solvents, and an elastomer binder, Shah was able to rapidly print densely packed structures using a simple syringe-extrusion process, in which ink dispenses through a nozzle, at room temperature. Despite starting with a liquid ink, the extruded material


instantaneously solidifi es and fuses with previously extruded material, enabling very large objects to be quickly created and immediately handled. Then, with collaborator David Du- nand, the team fused the powders by means of sintering. Instead of one laser slowly working its way across a


large powder bed, Shah and Dunand’s method can use many extrusion nozzles at one time. Their method poten- tially can quickly 3D print full sheets that are meters wide and can be folded into large structures. The only limitation is the size of the furnace.


PwC urges adoption of new manufacturing technologies


M


anufacturers need to embrace technology like “connected” factories, 3D printing and “cobot- ics,” despite a slowing manufacturing economy,


PricewaterhouseCoopers said in a report. “Manufacturing may be facing some headwinds, but it’s undeniably in the midst of a technological renaissance,” the consulting company said in an annual report about manufacturing trends. “Industrial manufacturing compa- nies cannot aff ord to ignore these advances. The New York-based consultancy urged manufacturers


to adopt these smart manufacturing technologies, among others:


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đƫ Internet of Things (IoT), where machines, sensors and computers are connected via the Internet.


đƫAdvanced robots. PwC said newer robots “are employed to complement rather than replace workers.”


đƫAugmented reality, in which “text, graphics, audio, and other virtual enhancements” are “superimposed onto goggles” worn by users. Some manufacturers are using the technology for training.


đƫ 3D printing: Printing of parts directly from a digital design isn’t new but is gaining momentum, particu- larly as more metals are used in 3D printing.


AD INDEX


3D Systems CimatronE, 17 ABB Inc-Robotics, 15 Capture 3D Inc, 28 CMS Research Inc, 33 Deltek, 31 FANUC America Corp, Cover 3 Hurco North America, 9 KUKA Robotics Corporation, 3 MachiningCloud, 27 Marposs Corp, Cover 2 Mazak Corporation, Cover 4 Plex Systems, 13 Renishaw Inc, 45 Schunk Inc, 37 SMART Manufacturing Seminar Series, 61 Stratasys Direct Manufacturing, 7 Universal Robots USA Inc, 47


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SMART MANUFACTURING April, 2016, Vol. 001, No. 1 is published by SME, One SME Drive, Dearborn, MI 48128. Telephone 313-425-3000 Fax: 313-425-3417. Canada Post Publication Mail Sales Agreement No. 40732015. Postmaster: Send address changes to Attn: CDC, Smart Manufacturing, PO Box 930, Dearborn, MI 48121-0930.


Spring 2016


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