6.2 Subland Drills

6.3 S-Point

6.4 Woodworking Tools

6.5 MTS-GIGA-Drill

• Special point with 4 teeth / flutes: • There are 4 main cutting edges, each including a 4-facet-points and a 4-facet-chamfer, splitted into two groups. The main group is constructed by a typical 4-facet- point while the secondary group is done by shortened teeth. (like a end mill tool with 2-to-center-geometry). • The two-stepped Giga-Drill is like a typical subland-drill-geometry. • Tool: 6040017 6.1 Basic Drillsr + 6.5 GIGA

• Work Piece: 2 or 3 teeth 1 – 5 Steps • Cutting Edge Combination: right helix/right cut left helix/left cut • Produktion / Regrinding: Production by different infeed (several steps) • Regrinding with calculation of removal ength, periphery and rake. • Regrinding, finishing with different wheels • Preparation: Separation Profile roughing Profile finishing • Point: Standard Split point 2-facet point 4-facet point 6-facet point Delta – point M – point Kevlar – point Centring point Milling end face • 2 nd Chamfer: Optional: 2 nd chamfer • 1 st Web Thinning: Correction of main cutting edge Correction of chisel edge S-web thinning (incl. Sumitomo like) Free constructed notchings / corrections • 2 nd Web Thinning: Correction of main cutting edge Correction of chisel edge • Main Fluting: Meas. definition: Point-/ normal cut Grind. direction: Forward / backward Optional spark out grinding Separated fluting per step • Periphery: Radial grinding / Round grinding Transverse/longitudinal positioning Linear relief: 1./2. relief angle • Steps: Standard step (axial/radial relief angle) Step aperture angle: 45 - 200° Linear relief step (aperture angle 170°) • Chip Breaker: 1 or 2 chip breakers per tooth • Simulation Simulation of intersection at all operations Wheel/workpiece-simulation Machining simulation • Production from standard- to step drill: Special measurement and calculation program • Chamfering at cutting edge of S- and RGR-Web Thinning • Chamfering at cutting edge of flute: Chamfer Angle Chamfer Width

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