b'\x1b\x1a\x19 \x1f\x18\x1d\x17\x16Shop Operationsworkholding, we were able to hitchine. However, there are tricks tonamics Inc. of Milford, New Hamp-cycle-start once to complete twomaximize the speed and the qual- shire, for both operations. The first machined parts. ity of the finish. We used a carbideoperation roughed out the perim-Polycarbonate isnt difficult to ma- four-in-one cutter by Datron Dy- eter shape and the middle slot that perpendicularly accepts the upright sneeze shield panel. The slotting operation was run at 36,000 rpm and 0.2 mm (0.008") feed per tooth in 3 mm axial step-downs, resultingPolycarbonate isnt difficult to machine (below). However, there are tricks to maximize the speed and the quality of the finish. The machines air blast feature aided chip evacuation (below right). The setup is shown for a Datron neo Series 2 (bottom).10,335,87032AUGUST 2020ShopOps.indd 32 7/20/20 10:05 AM'