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Ktc point geometry final

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Ktc point geometry final

  1. 1. TYC O M INTERNATIONALPoint Geometry Basics
  2. 2. Chips TYC O M INTERNATIONAL Functional Defect Prevents the drill fromcutting cleanly and efficiently Diameter Magnification 0.0020"-0.0130" 50X 0.0131"-0.0260" 40X 0.0261"-0.0465" 30X 0.0466"-0.1250" 20X 0.1251"-0.1800" 15X 0.1801"-0.2639" 10X
  3. 3. Layback TYC O M INTERNATIONAL Functional Defect Results in the Center of thePrimary Face Being the LeadingCutting Edge (Negative Rake). Diameter Maximum 0.0020"-0.0130" 0.0001" 0.0131"-0.0260" 0.0001" 0.0261"-0.0465" 0.0002" 0.0466"-0.1250" 0.0002" 0.1251"-0.1800" 0.0003" 0.1801"-0.2639" 0.0004"
  4. 4. Hook TYC O M INTERNATIONALMinor Functional Defect Extreme Hook CanResult in Premature Wear Diameter Maximum 0.0020"-0.0130" 0.0002" 0.0131"-0.0260" 0.0003" 0.0261"-0.0465" 0.0004" 0.0466"-0.1250" 0.0005" 0.1251"-0.1800" 0.0008" 0.1801"-0.2639" 0.0012"
  5. 5. Offcenter TYC O M INTERNATIONAL a Functional Defect Can Result inNon-Concentric Drilling. Diameter Maximum 0.0020"-0.0130" 0.0002" b 0.0131"-0.0260" 0.0003" 0.0261"-0.0465" 0.0004" 0.0466"-0.1250" 0.0005" 0.1251"-0.1800" 0.0008" 0.1801"-0.2639" 0.0012" (a-b) Offcenter = 2
  6. 6. Offset TYC O M INTERNATIONAL a Functional Defect Can Result inNon-Concentric Drilling. Diameter Maximum 0.0020"-0.0130" 0.0002" 0.0131"-0.0260" 0.0003" b 0.0261"-0.0465" 0.0004" 0.0466"-0.1250" 0.0005" 0.1251"-0.1800" 0.0008" 0.1801"-0.2639" 0.0012" (a-b) Offset = 2
  7. 7. Overlap TYC O M INTERNATIONALModerately Functional Defect Can Impede the Drill from Centering Properly Diameter Maximum 0.0020"-0.0130" 0.0002" 0.0131"-0.0260" 0.0003" 0.0261"-0.0465" 0.0004" 0.0466"-0.1250" 0.0005" 0.1251"-0.1800" 0.0008" 0.1801"-0.2639" 0.0012"
  8. 8. Gap TYC O M INTERNATIONALNon-Functional Condition Diameter Maximum 0.0020"-0.0130" 0.0002" 0.0131"-0.0260" 0.0003" 0.0261"-0.0465" 0.0004" 0.0466"-0.1250" 0.0005" 0.1251"-0.1800" 0.0008" 0.1801"-0.2639" 0.0012"
  9. 9. Negative TYC O M INTERNATIONALNon-Functional Condition Diameter Maximum 0.0020"-0.0130" 1deg 0.0131"-0.0260" 1deg 0.0261"-0.0465" 1deg 0.0466"-0.1250" 2deg 0.1251"-0.1800" 2deg 0.1801"-0.2639" 2deg
  10. 10. Flare TYC O M INTERNATIONALNon-Functional Condition Diameter Maximum 0.0020"-0.0130" 2deg 0.0131"-0.0260" 3deg 0.0261"-0.0465" 4deg 0.0466"-0.1250" 4deg 0.1251"-0.1800" 5deg 0.1801"-0.2639" 6deg
  11. 11. TYC O M INTERNATIONALOptimum PointGeometry

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