Каталог SUMITOMO 2015 Инструмент и оснастка Стр. 401 0405 ENG Lab2u
Drill Troubleshooting Guide Drill Guidance E Breakage machine.a, b, c, e, fi Is there any excessive vibration or odd noise during operation chucking OF DRILL...A, B, C, E, FI Is the rigidity of the drill chuck enough (Fig. 5) Is there any dust or scratches inside the drill chuck (Fig. 6) Is the run out of the drill too great when it is held in the drill chuck (Fig. 7) The drill point should be within 0.001" maximum of the center of the work piece (when the work rotates) (Fig. 8) (Fig. 5) Bad Slip- A thicker shank can offer higher rigidity Good (Fig.6) Scratch Rectify by oil or honing stone CUTTING fluid A, C, E, G1 Make sure cutting fluid is supplied adequately to the entrance of drill hole 401 Technical Data