Exercise 1. The part shown is to be machined from 5.5" diameter, 4.5" long bar stock. The tool offsets for tool edge programming, tool nose radius, and tool nose vector 3 have been entered into the offset file. TNR comp is canceled (G40) for G70 cycle- 01 Finish allowance-Z Material removed by rough turning R.5 $5.5 TNR comp is in effect (G42) at start point TNR comp is canceled (G40) at tool change position Return 1- Pass -Return 2--> .20 Pass 2 depth of cut TNR comp is canceled (G40) for G71 cycle per pass G71 roughing cycle G70 finishing cycle Return 9: Pass 9- 01 finish Material left allowance-X for finishing per side Clearance in Z 5 5.5 DIA. BAR STOCK - 4.5 IN. LONG Point X(in) diameter Z(in) 2 5.5 0.3 3 5.5 0.1 012 45 2 0.1 2 0 6 2 -1 7 3 -3 8 3 -3.2 9 3.7 -3.2 10 4.7 -3.7 11 4.7 -4 12 5.5 -4 13 5.6 -4 CNC TOOL AND OPERATIONS SHEET MATERIAL: AL ALLOY 7075-T6 TOOL OFF-SET OPERATION FEED SPEED (IPR) TOOL DESCRIPTION INSERT TNR 1 01 ROUGH TURN OD 450 .015 USE A G71 ROUGHING CYCLE. TURNING HOLDER CNMG-432-NR 032 MCLNR 12-4 REMOVE 10 PER SIDE FOR EACH PASS. LEAVE 01 FOR FINISHING. 2 32 800 02 FINISH OD CONTOUR 005 TURNING HOLDER CNMG-434-NF 063 MCLNR 12-4 USE A G70 FINISHING CYCLE. Rough and finish turning via G71 and G70 cycles.