Page 5 - Demo

3 INTRODUCTIONPre-Thread Drilling with Chamfering 153Pre-Thread Drilling and Chamfering of Stepped Holes.........................................................................................154Combined Drills.....................................................................................................................................155ISCAR Product Family for Pre-Thread Drilling................................................................................156Pre-Thread Assembled Combined Drills .........................................................................................157Chamfering Ring ...................................................................................................................................165Chamfering Holder...............................................................................................................................169SOLID-DRILL Solid Carbide Combined Drills..................................................................................175SOLID-DRILL Regrinding Instructions ..........................................................................................................................178SOLID-DRILL Cutting Conditions...................................................................................................................................179SOLID-DRILL Machining Conditions.............................................................................................................................180Spot Drilling and Chamfering 185Spot Drilling............................................................................................................................................186Spot Drill..................................................................................................................................................187Spot Drilling Vs Pre-Drilling ................................................................................................................188The ISCAR Product Family for Spot Drilling....................................................................................189MULTI-MASTER Solution for Spot Drilling .......................................................................................190MM ECD.................................................................................................................................................................................193MM HCD................................................................................................................................................................................195Solid Carbide Drill Solution for Spot Drilling...................................................................................197Center Drilling 199Center Drills............................................................................................................................................201Center Drills: Carbide vs HSS............................................................................................................202ISCAR Product Family for Center Drilling.......................................................................................203MULTI-MASTER Solution for Center Drilling ..................................................................................204MULTI-MASTER Cutting Conditions for Center Drilling...............................................................208Deep Hole Drilling 209Accuracy and Surface Quality.............................................................................................................211Deep Hole Drilling Features ...........................................................................................................................................213Deep Hole Methods .............................................................................................................................215Practical Tips..........................................................................................................................................216ELB System Gundrills ...........................................................................................................................218Method of ELB System Gun Drilling .............................................................................................................................219Gundrill Structure................................................................................................................................................................221ISCAR-GUNDRILLS Products........................................................................................................................................ 230BTA System STS....................................................................................................................................231Method of BTA System STS.......................................................................................................................................... 232BTA Drill Structure .............................................................................................................................................................233ISCAR BTA Drill Products ............................................................................................................................................... 235