Cutting resistance analysis device and cutting apparatus including the cutting resistance analysis program

The control unit of the cutting device (10) (11), cutting force calculation unit for calculating the magnitude of such cutting resistance in milling (T) and (32), simultaneously contact against the processing surface of the workpiece (W) contact blades number calculating unit for calculating the number of blades (T1) of the milling (T) and (33), milling (T) on the basis of the calculation result in the magnitude of the contact blade number calculating section of cutting resistance (33) 1 1 blade unit cutting resistance calculation unit for calculating a cutting resistance per blade (34), and a.