Burr size cutting speed

The multiple regression analysis was performed for constructing the RSM-based burr size mathematical models. In the present investigation, the second order burr height and burr thickness mathematical models have been developed in terms of four process parameters, namely, cutting speed (v) feed rate (/), drill diameter (d) and point angle (. The nonlinear second order response surface equation is given by ... [Pg.270]

Interaction effect of drill diameter and cutting speed on burr size (f = 0.08 mm/rev and 6= 126 degrees)... [Pg.278]

It is observed from the optimisation results that for minimising burr size, the optimal cutting speed requirement is low, i.e. 8m/min irrespective of the drill diameter. On the other hand, as depicted in Figure 7.10, the requirement of optimal feed is in the low range (0.04-0.06mm/rev) and is in direct proportion to the drill diameter for the entire range specified. The reason might be that at lower feed thrust force reduces and hence forms thinner burrs. [Pg.286]

The requirement of optimal cutting speed is 8m/min for reducing the burr size irrespective of the drill diameter. [Pg.289]

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