421-427Finite element (FEA) method and response surface method (RSM) are used to find the effect of milling parameters (cutting
speed, feed rate and axial depth) on cutting force when milling Hastelloy C-22HS. Based on variance analyses of First- and
Second-Order RSM models, most influential design variable is feed rate. Optimized cutting force values are subsequently
obtained from model equations. FEA model shows distribution of cutting force