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
- 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