220403 220402 220405 220406 220425 220419 220409 220407 220414 220411 1512 CONTACT INFORMATION For more information please call +44 1530 261 145 or send an email to sales@atagarryson.com Regrinding information for Karnasch solid carbide drills STEEL RQ x 26° A A 90° R 33° + 5° ß Diamond grinding disc 90°+4° +1° grinding direction ß = 40° ± 3° clearance angle 8°± 2° 140° 1 Cutting edge Overlap of the exacerbation 0.00 55° 40° RQ1 RA AS+0.02 R±2% 140° point angle 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief RQ 15° 47° 110° R 25° 0.03 32° Angle of point to longitudinal axis RQ=residual shear Sharpening disc main cutting edge fillet RQ x 26° A A 90° R 33° + 5° ß Diamond grinding disc 90°+4° +1° grinding direction ß = 40° ± 3° clearance angle 8°± 2° 140° 140° point angle 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief RQ 15° 47° 110° R 25° 0.03 32° Angle of point to longitudinal axis RQ=residual shear Sharpening disc main cutting edge fillet 140° point angle 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief RQ 15° 47° 110° R 25° 0.03 32° Angle of point to longitudinal axis RQ=residual shear Sharpening disc main cutting edge fillet x 26° A A 90° R 33° + 5° ß Diamond grinding disc 90°+4° +1° grinding direction ß = 40° ± 3° 140° point angle 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief RQ 15° 47° 110° R 25° 0.03 32° Angle of point to longitudinal axis RQ=residual shear Sharpening disc main cutting edge fillet 140° point angle RQ 110° 32° Angle of point to longitudinal axis RQ=residual shear 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief main 140° point angle RQ 110° 32° Angle of point to longitudinal axis RQ=residual shear 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief 15° 47° R Sharpening disc 25° 0.03 main cutting edge fillet 140° point angle RQ 110° 32° Angle of point to longitudinal axis RQ=residual shear 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief 15° 47° R Sharpening disc 25° 0.03 main cutting edge fillet 140° point angle RQ 110° 32° Angle of point to longitudinal axis RQ=residual shear 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief 15° 47° R Sharpening disc 25° 0.03 main cutting edge fillet 140° point angle RQ 32° Angle of point to longitudinal axis RQ=residual shear 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief 2 Exacerbation 3 Dimension of the residual cross cutting edge 4 main cutting edge fillet with 25° cast + steel = 0.05 - 0.1 3.0 - 6.0 0.05 6.0 - 8.0 0.08 8.0 - 10.0 0.10 10.0 - 14.0 0.12 14.0 - 20.0 0.15 × 3.0 - 8.0 .20 8.0 - 12.0 0.25 12.0 - 14.0 0.30 14.0 - 16.0 0.35 16.0 - 20.0 0.40 RQ INOX ALUMINIUM 1 Cutting edge 2 Sharpening disc 140° point angle 25° 10° 0.05 x D 10° = 1. clearance angle 25° = 2. clearance angle 4-surface relief RQ 15° 47° 110° R 25° 0.03 32° Angle of point to longitudinal axis RQ=residual shear Sharpening disc main cutting edge fillet 3 Angle of point to longitudinal axis 4 RQ = residual shear 5 main cutting edge fillet 3.0 - 8.0 0.20 8.0 - 12.0 0.25 12.0 - 14.0 0.30 14.0 - 16.0 0.35 16.0 - 20.0 0.40 RQ 3.0 - 6.0 0.5 6.0 - 10.0 0.8 10.0 - 12.0 1.0 12.0 - 16.0 1.2 16.0 - 20.0 1.4 R 1 Cutting edge 2 Sharpening disc 3 Angle of point to longitudinal axis 4 RQ = residual shear 5 main cutting edge fillet 3.0 - 8.0 0.20 8.0 - 12.0 0.25 12.0 - 14.0 0.30 14.0 - 16.0 0.35 16.0 - 20.0 0.40 RQ 3.0 - 6.0 0.5 6.0 - 10.0 0.8 10.0 - 12.0 1.0 12.0 - 16.0 1.2 16.0 - 20.0 1.4 R 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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