Transcription of THREAD CUTTING & FORMING - Concordia University
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THREAD CUTTING & FORMING - Concordia University
THREAD CUTTING & FORMINGT hreading, THREAD CUTTING and THREAD Rolling:MachiningThreads on External Diameters (shafts)Tapping:MachiningThreads on Internal Diameters (holes)Size:Watch to 10 shaftsStraight Threads:Threads on cylindrical surfaces, ex. fastenersConical Threads:Threads on conical surfaces, ex. Pipe jointsMethods: THREAD Rolling-small and standard parts, ductile materialsThread CUTTING , THREAD THREAD applications:-fasteningSpecial THREAD applications:-to transmit motion-to transmit power-to measure-to connect pipesStandards: Unified (American)-dim.
THREAD ROLLING: Cold Forming Process Materials: any material sufficiently plastic can be rolled. (can with stand the forces of cold forming without disintegration) Rollability is the feature required from metal during the rolling process steel not convenient to roll because it has the tendency to harden while worked on the surface.
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