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TECH FRONT


Nanofibers are less than 100 nm—thousands of times thinner than a human hair—and used in the manufacture of fuel cells, batteries, filters and light-emitting screens as well as by medical researchers for wound dressings, tissue re- generation, drug testing, stem cell therapies and the delivery of drugs directly to the site of infection. They can be made from natural materials like proteins or from human-made substances, including biodegradable materials. According to Sergiy Minko, study co-author and the Georgia Power Professor of Polymers, Fibers and Textiles in UGA’s College of Family and Consumer Sciences, the new process makes it possible to manufacture nanofibers of high quality without using expensive equipment. Lowering the cost of manufacture will allow businesses and researchers to use nanofibers in new ways without busting their budgets. The most common nanofiber manufacturing technique to date is called electrospinning. It uses high-voltage electricity and specially designed equipment to produce the polymer strings. Such equipment requires lots of training in order to


be used safely and effectively. In contrast, Minko told UGA that for magnetospinning all one really needs is a magnet, a small motor and a syringe, and that a simple lab setup can produce hundreds of yards of nanofiber in seconds. UGA has a video of the process at https://youtube/ CwxkAr74QQc.


SME Tech Papers:


Learn More & Do More Energy-Wise Sustainability


The US National Institute of Standards and Technology LASER CALIBRATION SYSTEMS


Patented LDDM (Laser Doppler), single aperture is compact, lightweight, easier to use, and more cost effective than traditional interferometer laser systems


Applications: CNC Machine Tools, large area Water and Laser cutting machines, 5-axis Gantry type machines, and CMMs


Optodyne, Inc. U. S. Innovation, Made in the USA


Trusted by the global machine tool industry for more than 25 years


Features: > ASME and ISO machine calibration > Innovative 3D laser-vector volumetric compensation > Automatic data collection and file generation > Dynamic contour and spindle error motion measurement


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(NIST; Gaithersburg, MD) Manufacturing Extension Partner- ship (MEP) site (www.nist.gov/mep) describes a sustainable approach to manufacturing as “one that merges environmen- tal, societal and economic concerns. Continual improvement is necessary in these three areas in order to secure the future of companies, communities, supply chains and the environ- ment…. Companies that commit to implementing eco-friendly changes find themselves with lower operating costs, access to new markets and a more profitable enterprise.” MEP sustainability programs include E3 – Economy, Energy, and Environ- ment, a federal-local coordinated effort that helps manufacturers assess production processes and assists with the implementation of energy-saving projects, and the Building Construction Technology Extension Pilot (BCTEP), which focuses on training building op- erations staff to retune energy systems in smaller commercial and industrial buildings. Commercial buildings ac- count for almost 20% of the total US energy consumption, with 10–30% of the energy used wasted due to im- proper and inefficient operations. Energy analysis and optimization is an ongoing process. A novel energy demand modeling approach for CNC machining based on function blocks is described in a paper by Tao Peng, Xun Xu and Lihui Wang in SME’s Journal of Manufacturing Systems (http://tinyurl. com/JMS-functionblocks). Among other


36 AdvancedManufacturing.org | July 2015


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