The forces acting on the tool and the workpiece are called cutting forces,2.1.2 Cutting forces,2.1.2.1 Sources of cutting forces, resultant forces as well components of cutting forces,2.1.2.2 Measurement of cutting force and establishment of empirical formulas,2.1.2.3 Specific cutting force and specific cutting power,2.1.2.4 Influence of various factors on cutting force,2.1.2.1 Sources of cutting forces, resultant forces as well as components of cutting forces,The forces acting on the tool come