... tool mustwithstand do depend on cutting speed and feed and rake angle, and on the work material’s96 Work and tool materialsFig. 3.17 Machining characterisitcs of a low alloy (•) and a semi-free-cutting ... Work and tool materialsFig. 3.12 Representative specific force and shear plane angle variations for hot rolled carbon and alloy steels (f= 0.15mm, α= 6º)Fig. 3.13 Process stresses and temperatures ... speed and, obviously, also with feed). Temperatures, on theother hand, depend not only on the material being machined (both through stress levels and thermal properties) but also on the speeds and...