Table of Contents - Part II


PART II.– PUTTING THE PROCESS TO WORK

Chapter 3. - The Gundrill & Related Tooling
  • The Single Flute Gundrill
    • Overall Length
    • Tip
    • How a Gundrill Cuts
    • Various Tip Geometries (Nosegrinds)
    • Chip Breakers
    • To Grind or Not to Grind, That is the Question
    • Definition of a Good Regrind
    • Coatings and Grades of Carbide
    • Contour
    • Shank
    • Flute
    • Driver
Chapter 4. - Accuracy and Workholding
  • Drilling Method vs. Accuracy
    • Counter Rotation
    • Rotating Part, Stationary Tool
    • Rotating Tool, Stationary Part
  • Workholding
    • Chucks
    • Collet Chucks
  • Fixturing
Chapter 5. - The Basic Gundrilling Process
  • How a Gundrill Does What It Does
  • Conventional Gundrilling
  • The Basic Gundrilling Machine
    • Spindle Drive
    • Feed System
    • Coolant System
Chapter 6. - The CNC Gundrilling Process
  • Horizontal Machining Center
  • Lathe, Multi-Spindle or Turning Center
  • Vertical Machining Center
  • Coolant Systems
    • CNC Machining Center
    • Engine Lathe
    • CNC Turning Center
  • Coolant
  • Starting the Hole
  • Drilling Sequence
  • A Few Definite No-No’s!
Chapter 7. - Oil and Coolant Selection
  • Gundrilling Oil
  • Water Solubles
Chapter 8. - Gundrilling Parameters
  • Parameter Equations
  • Starting Surface Ft. Per Minute
    • Wood and Plastics
    • Graphite and Sintered & Mim Parts
  • Starting Feed Rates
  • Coolant Pressure, Flow Rates & Max. USL
  • Max. Unsupported Shank Length (Defined)
  • Parameters by Material Chemistry
  • Tool Life & Surface Finish Tables
  • Variation in Parameters
  • Visual Guides for Optimum Parameters
Chapter 9. - Troubleshooting & Tool Wear
  • General Troubleshooting Tips
  • Troubleshooting Guide
  • Tool Wear Guide
  • Tool Wear and Damage
  • Effects of Alloying Elements in Steel



PART I. - HISTORY AND APPLICATION


PART III. - THE BONUS CHAPTERS