Xem 1-20 trên 147 kết quả Personal manufacturing
  • As manufacturing technologies follow the path from factory to home use, like personal computers, “personalized” manufacturing tools will enable consumers, schools and businesses to work and play in new ways. Emerging manufacturing technologies will usher in an industrial “evolution” that combines the best of mass and artisan production models, and has the potential to partially reverse the trend to outsourcing.

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  • The NASA Mars Sojourner rover inspired this project . I followed the mission with great enthusiasm and witnessed a giant leap in robotics that day it began roaming the Martian terrain and sending images back to earth. Though I was in awe when the Viking missions of the 1970’s were in progress, we didn’t see that near real-time interaction with the craft .

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  • This is the Solutions Manual for the textbook Fundamentals of Modern Manufacturing: Materials, Processes, and Systems (Second Edition). It contains the answers to the Review Questions and Multiple Choice Quizzes at the end of the Chapters 2 through 44, as well as the Problems at the end of Chapters 3, 4, 6, 10, 11, 13, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 30, 31, 33, 34, 35, 38, 40, 42, and 43. There are approximately 740 review questions, 500 quiz questions, and 500 problems (nearly all of them quantitative) in the text. I have personally...

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  • Since the cost of manufacturing a custom train part on a small-scale 3D printer is only $25, Kendrick’s niche market of loyal consumers can afford to manufacture their own train parts -- no investment in factory-scale production is needed. Imagine if a model train enthusiast purchased Kendrick’s electronic blueprint and tried to produce the stainless steel train cowcatcher (shown in the figure) in a factory. The high cost of setting up a factory infrastructure would be well out of the reach of the average consumer.

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  • A number of barriers stand in the way of mainstream adoption of personal manufacturing technologies that discourage widespread home, school and business use. A chief barrier is the “chicken and egg” paradox, where today’s current consumer and education markets for personal fabrication technologies is too small to attract the attention of companies, discouraging company investment in creating products and services, hence failing to attract more consumers.

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  • Sophisticated manufacturing technologies are becoming available to regular people. In their 2009 annual report Innovations That Could Change the Way You Manufacture, the Society of Manufacturing Engineers (SME) selected personal-scale manufacturing machines as a technology that “could change the way we do manufacturing.

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  • Hard to believe anything other than luck and maybe fate, never mind a book, can make someone fall in love with you, but oddly enough, Leil Lowndes seems to offer the advice that can do just that in How to Make Anyone Fall in Love with You. The sensation of falling in love comes from a chemical secreted by the nervous system, phenylethylamine (or PEA, as Lowndes calls it, as in "Scientists tell us only PEA-brained people fall in Love"), and the trick is to trigger the manufacture of PEA in your potential love partner, giving him or her the...

    pdf193p knm_111 27-04-2012 258 135   Download

  • There are several good mechanical engineering data books on the market but these tend to be very bulky and expensive, and are usually only available in libraries as reference books. The Mechnical Engineer’s Data Handbook has been compiled with the express intention of providing a compact but comprehensive source of information of particular value to the engineer whether in the design office, drawing office, research and development department or on site.

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  • PCWorld is a global computer magazine published monthly by IDG.[2] It offers advice on various aspects of PCs and related items, the Internet, and other personal-technology products and services. In each publication, PCWorld reviews and tests hardware and software products from a variety of manufacturers, as well as other technology related devices such as still and video cameras, audio devices and televisions.

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  • This is a reference book for those practicing or otherwise having an interest in design for manufacturability (DFM). DFM principles and guidelines are many; no one person should be expected to remember them all nor the detailed information, such as suggested dimensional tolerances, process limits, expected surface finish values, or other details, of each manufacturing process. It is expected that those involved will keep this book handy for reference when needed.

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  • Sales promotions can be seen as a service that provides encouragement to purchase a product or service by changing the perceived value-for-money equation. In the past decade manufacturers and retailers have been gradually switching from above the line mass media advertising to a variety of below the line sales promotions. Although sales promotions take up a very large share of total marketing expenditure, they remain an area which has less strategic consideration or attention than any other aspect of the promotion mix, especially in the international market arena.

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  • Personal Area Network (PAN) – interconnection of personal digital devices Neighborhood Area Network (NAN) – connectivity spread over several buildings Local Area Network (LAN) – usually connects computers in a single building – this is the one most people have heard of Metropolitan Area Network (MAN) – public high-speed network with range of about 50 miles Wide Area Network (WAN) – consists of several smaller networks

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  • You might be surprised to discover the point of view held by the person who assigned the project to you. In some cases, executives are supportive; in others they are surprised that you can’t solve all problems on your own. Some executives assume that a capable project manager never has to ask for help and that you are competent enough to handle all problems without involving someone else. Given the uncertain nature of some projects and the cultural status in many companies, such points of view may be unrealistic.

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  • This glossary defines terms in the field of computer applications. Topics covered include automated language processing, automatic indexing, business data processing, character recognition, computer-aided design and manufacturing, computer-assisted instruction, control systems, critical path method, library automation, medical applications, micrographics, office automation, operations research, personal computing, scientific and engineering applications, telecommunication applications, and word processing....

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  • Assembling electrical and mechanical parts is a costly and error-prone step in the process of making electronic devices. The Fab@Home team at Cornell is pursuing the holy grail of personal fabrication, the ability to manufacture, on a single 3D printer machine in a single “print job,” an object that contains a battery, actuators, sensors, and a physical “body.” In other words… a robot.

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  • After the basic Lean conversion takes place, Lean’s continual improvement culture means that modifications to material inputs, product outputs, non-product outputs, equipment, equipment configurations, and operating parameters are likely to be the norm, and result in a manufacturing environment subject to constant, on-going change. In this environment, even minimal regulatory delay holds the potential to erode quickly a process improvement’s financial return, which, in turn, could result in foregoing the resource productivity enhancements associated with the change.

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  • A number of converging forces are bringing industrial-scale design and manufacturing tools to a tipping point where they will become cheap, reliable, easy, and versatile enough for personal use. The rapid adoption of personal manufacturing technologies is accelerated by low cost machinery, active online user communities, easier-to-use computer aided design (CAD) software, a growing number of online electronic design blueprints, and more easily available raw materials.

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  • Personal scale PCB milling machines use one of two processes, a mechanical etching process, or a process in which conductive materials are sprayed onto a base board. The mechanical etching process on a desktop circuit maker involves a rotating milling bit that mechanically etches out the desired circuit design onto a copper circuit board. Both etching and spraying techniques enable users to create multi-layer and finely detailed PCBs.

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  • Manufacturers of refrigeration condensing units will supply technical data for their products on demand, but this will be based on ideal operating condi- tions in controlled ambient temperatures. The service engineer or technician, dealing with many different types of equipment, needs a simple quick method to enable him to determine the theoretical operating head pressure of a plant so that this can be compared with the actual operating pressure to assist in fault diagnosis.

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  • This report outlines the emergence of personal manufacturing technologies, describes their potential economic and social benefits, and recommends programs the government should consider to realize this potential. Personal manufacturing machines, sometimes called “fabbers,” are the pint-sized, low-cost descendants of factory-scale, mass manufacturing machines. Personal-scale manufacturing machines use the same fabrication methods as their larger, industrial ancestors, but are smaller, cheaper, and easier to use.

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