UNIT 2 GRINDING Grinding Structure 2.1 Introduction Objectives ... types of grinding machines and on different classes of work. These are classified in some ... coarse and medium grain size is used for rough grinding. Grade Grade of a grinding wheel is the indicative of hardness and tenacity of bond of abrasives. It is represented by capital ...

necking Machining a groove or undercut in a shaft to ...

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Grinding wheels usually will be between 24 and 100 grit. Honing stones and jointing stones and other polishing abrasives will be 150 grit and higher. Use a coarse grit for fast, aggressive stock removal and finer grits for less stock removal but better surface finish. Grinding wheel hardness

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GRINDING MACHINES Grinding is the process of removing metal by the application of abrasives which are bonded to form a rotating wheel. When ... The abrasive grains are the cutting took of a grinding wheel. They actually cut small pieces or chips off the work as the wheel rotates. The shape of each grain is irregular with several

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