Abstract: The standards of projective geometry. The parameters of geometry characterizing the different cutting apparatus edges are depicted by methods for taking proper projections of the cutting device surfaces. Advancement in the field of PC Aided Geometric Design (CAGD) now give more rich way to deal with indicating the cutting apparatus surfaces as an arrangement of biparametric surface patches. This investigation of machining procedures includes examining the chip development prepare. A long time of research has indisputably demonstrated that it a procedure including plastic twisting in which extensive strains and strain rates are created by restricted shear distortion of work material instantly in front of hardware. Warm produced amid the chip arrangement prepare accordingly of plastic twisting and rubbing.