Question

Why is the type of bond between the grains important in grinding? Discuss how the

mechanics of grinding differs from that of conventional cutting. What does a grit size of 240

indicate? Argue if you would use a grinding wheel with such a grit size to grind a soft material.

write clearly please

Answer 1

m s Tmportamea of tpe of kond betisaan the To machine hand & buttle material selatiuly soff rguined and to machine soft materin Nrd bond gured Tt a hord matrual i bond is geinded wth hard bond then thare o clamea of coming out of feash aloasios which esults liss MRR & podt Sunfoce fonish & ductile matial is gainded coith saft It a seft bemd the wonk piea may maclin ta gaimding aolel cshich s mot desirabl to workpieae material seloction of Co type of bond Differeme betean elics Grimng tional cuting & other conten tind cuting te toel houa dfinite shope Im comigemtion elar shape mding indiny but im grsims haise the ng highly egatiue tho ralke s Hham Im Consentrenal cutling epecaifie peeasses Gurit siee 240 It indicatas PMRR at Gaindg is high The thom other fint graims This sire is used fert taery ge0od 2dinding esheal Sunfae fuish wse Gudt siee 240 to maalime soft materials te MRR uill be loo. Imstead of these time gut we oarse se use cam lleduce the pooe r Comtunmptionen MRR So Sice 240 for seft matimunl imot feasible osing Gouit

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