Общий каталог Dijet 2018 - страница 554

Tooling by DIJET Troubleshooting APPLICATIONS Drilling PROBLEM CAUSE RECOMMENDED ACTION Drill Breakage • speeds & feeds • Maintain constant feed rate • Reduce the cutting speed • Reduce the feed rate • cutting fluid • Increase coolant flow • others • Use a machine with sufficient horsepower • Tighten work piece clamping Center Point Breakage • tool • Reduce drill overhang • speeds & feeds • Maintain constant feed rate • Reduce the feed rate when starting drill • others • Use a machine with sufficient horsepower • Tighten work piece clamping Peripheral Cutting Edge • tool • Reduce drill overhang Breakage • speeds & feeds • Maintain constant feed rate • Reduce the cutting speed • others • Use a machine with sufficient horsepower • Tighten work piece clamping Chipping • tool • Reduce drill overhang • speeds & feeds • Maintain constant feed rate • Change the feed rate • cutting fluid • Increase coolant flow • others • Use a machine with sufficient horsepower • Tighten work piece clamping Long Stringy Chips • tool • Less lead angle • Increase hone • speeds & feeds • Maintain constant feed rate • Increase the feed rate Chip Form Varies • speeds & feeds • Maintain constant feed rate • cutting fluid • Maintain constant coolant flow • others • Use a machine with sufficient horsepower F010