Compound Tolerances: Compound tolerance is the ultimate tolerance calculated immediately after incorporating or subtracting the tolerances of different Proportions that make up a component. In addition to these milling operations we can use the milling machine for the next operations also. Plastics: CNC machining plastic materials like acrylic, nylon https://cnc-metalworking-machines89901.theideasblog.com/33439319/details-fiction-and-cnc-machine-tools-for-metal