Tool Optimization Choose an appropriate tool/machine combination for the following conditions (feel free to make reasonable assumptions for any missing information): The three types of mill we have in our machine shop (manual, manual style with CNC controls, and VMC) Part quantities of 10, 100, 1000 A part that requires 1500 linear inches of machining Shop rate of $75 per hour Two flute .5" diameter endmill with .008" feed per tooth Other information in the tables below Table 1 Machine Parameters Machine Type Max RPM Manual 3500 Manual/CNC VMC 3500 10000 Max feed rate (in/min) 40 40 400 Table 2 Cutting Tool Parameters Tool Type Cost (ea) Max CS [sfm] Time to replace tool Taylor Tool Life Constants n [mins] HSS $9.00 200 5 0.125 350 Carbide $28.00 1000 5 0.25 2700 Cost per workpart Vmin Cutting speed Total cost per piece Cost of time to replace tool Tool cost Part handling time cost Machining time cost