Machining Dividing Head Index Plates - Drilling Hole Patterns

Learn two methods for drilling precise hole patterns on dividing head index plates in this 37-minute machining tutorial. Explore using a rotary table and leveraging the hole pattern function on a Digital Read Out (DRO) to achieve accurate results. Follow along as the instructor demonstrates problem-solving techniques, proper tool setup, and essential machining skills. Gain insights into using trigonometry tables, scientific calculators, coaxial indicators, and counter boring. Compare these manual methods with CNC milling alternatives for drilling index plate hole patterns.

Introduction
The Problem
trigonometry tables
scientific calculator
rotary table
drill bit clearance
rotary table positioning
coaxial indicator
digital readout
drill hole pattern
counter bore
install
wrap up