Grinding Process

Jul 5th, 2016
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explains the grinding process

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Basics of GrindingTraining ObjectivesAfter watching the video and reviewing this printed material, the viewer willgain knowledge and understanding of the primary industrial grinding processes.cylindrical, internal, centerless and surface grinding are demonstratedtypes of abrasives and bonding methods are showngrinding wheel maintenance is explainedspecifics of surface finishing are detailedThe Grinding ProcessGrinding is a material removal and surface generation process used to shape andfinish components made of metals and other materials. The precision and surfacefinish obtained through grinding can be up to ten times better than with eitherturning or milling.Grinding employs an abrasive product, usually a rotating wheel brought intocontrolled contact with a work surface. The grinding wheel is composed ofabrasive grains held together in a binder. These abrasive grains act as cuttingtools, removing tiny chips of material from the work. As these abrasive grainswear and become dull, the added resistance leads to fracture of the grains orweakening of their bond. The dull pieces break away, revealing sharp new grainsthat continue cutting. The requirements for efficient grinding include:abrasive components which are harder than the workshock- and heat-resistant abrasive wheelsabrasives that are friable. That is, they are capable of controlledfracturingMost abrasives used in industry are synthetic. Aluminum oxide is used in t

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