align - To adjust or set to a line or center.Īllowance - The prescribed difference in dimensions of mating parts to provide a certain class of fit.Īlloy - A metal formed by a mixture of two or more different metals.Īngle iron - An iron or steel structural member that has been cast, rolled, or bent (folded) so that its cross section is L-shaped.Īngle plate - A precision holding fixture made of cast iron. Used largely for feed and adjusting screws on machine tools.Īcute angle - An angle that is less than 90 degrees.Īdapter - A tool holding device for fitting together various types or sizes of cutting tools to make them interchangeable on different machines.Īddendum - That portion of a gear tooth that extends from the pitch circle to the outside diameter. accurate - Conforms to a standard or tolerance.Īcme thread - A screw thread having a 29 degree included angle. diamonds) or artificial (silicon carbide, aluminum oxide) material used for making grinding wheels, sandpaper,Ībrasive wheels - Wheels of a hard abrasive, such as Carborundum used for grinding. Manufacturing, machinist, manufacturing related terms and definitions abrasive natural. Machine Shop and Manufacturing Definitions
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