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The Theory of Ernst and Merchant IIIl
Tne Tneory of Lee and Shaffer IV1
accuracy analysis approximately assumed assumptions Chapter chip length measurements chip thickness measurements chip thickness ratio cnip coefficient of friction compressive stress concepts constant continuous chip cutting conditions cutting force cutting mechanism cutting process cutting ratio cutting speed range deflection deformation process deformation region deformation zone degree depth of cut direct measurement dynamometer effect employed equation Ernst and Merchant Ernst-Merchant error experimental technique expressed mathematically gonal hydrostatic pressure ideal plastic Ideal Rigid Plastic increase lathe Lee and Shaffer material maximum shear stress metal cutting method Mohr's Circle normal stress observed orthogonal cutting Oxley parameters plastic flow ploughing force rake angle resultant force shear angle predicting shear flow stress shear strain shear strength shear zone side flow single shear plane slip line slip-line field solution standard deviation Strain Gauge strain rate strain-hardening stress distribution temperature theoretical theory tion tool face tool point variables variation velocity workpiece surface