Grinding of Metals: Origin and Cutting Action | Industries ...
If N is the rpm of grinding wheel, ρ = surface density in grains/mm 2, then number of active grains on boundary of wheel and thus number of chips produced per unit time = πNDW ρ. It will be seen from here that wheel will appear to be softer, if N, D, or ρ decrease, or f or d increase, because the value of F av will increase and cause a more ...
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