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Fig. 7 | Mechanics of Advanced Materials and Modern Processes

Fig. 7

From: Experimental investigation of surface roughness, flank wear, chip morphology and cost estimation during machining of hardened AISI 4340 steel with coated carbide insert

Fig. 7

Surface roughness vs. flank wear at v = 220 m/min; f = 0.13 mm/rev; d = 0.4 mm. Figure 7 illustrates the influence of flank wear on machined surface roughness, which showed that surface roughness is closely related and proportional to the flank wear. That means, any progress in flank wear indicates some degradation of the machined surface quality. Although it is taken that, as long as wear is usual and does not go beyond 0.3 mm, surface roughness (exactly the criterion Ra) increases gradually since Ra does not exceed the 1.6 μm

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