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The Precision Machined Products Association (PMPA) is an international trade association which exists to represent the interests of the precision machined products industry. External links [ edit ]
Precision Machined Products Association; Professional Electrical Apparatus Recyclers League; Professional Photographers of America; Resilient Floor Covering Institute; Security Industry Association; Society of Chemical Manufacturers and Affiliates; TAPPI (Technical Association of the Pulp and Paper Industry)
Precision Metalforming Association or PMA is a trade association [1] representing the $137-billion metalforming industry of North America: the industry that creates precision metal products using stamping, fabricating, spinning, slide forming and roll forming technologies, and other value-added processes. PMA’s origin was the Pressed Metal ...
Machining is a form of subtractive manufacturing, [1] which utilizes machine tools, in contrast to additive manufacturing (e.g. 3D printing), which uses controlled addition of material. Machining is a major process of the manufacture of many metal products, but it can also be used on other materials such as wood, plastic, ceramic, and ...
Preliminary Guide to the International Association of Machinists Hope Lodge 79 Records. 1932–1941. 25 items. International Association of Machinists and Aerospace Workers, Aerospace Industrial District Lodge 751 Publications. 1939–2008. Jackie Boschok Papers. 1979–2013. 16.32 cubic feet (22 boxes), 2 oversize folders.
Eli Terry was using interchangeable parts using a milling machine as early as 1800. Ward Francillon, a horologist, concluded in a study that Terry had already accomplished interchangeable parts as early as 1800. The study examined several of Terry's clocks produced between 1800–1807. The parts were labelled and interchanged as needed.
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The American Precision Museum is located in the renovated 1846 Robbins & Lawrence factory on South Main Street in Windsor, Vermont. The building is said to be the first U.S. factory at which precision interchangeable parts were made, giving birth to the precision machine tool industry.
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