MACHINING OBJECTIVES
PROCESS OF MACHINING
DRAWING EVALUATION
Tolerances
Radius from I and J
Surface Finish
Stock Allowance
MATERIAL INSPECTION
PROGRAM EVALUATION
Programs Generated Manually
Programs Generated by Software
Part Setup and Tooling
PROGRAM INPUT
Memory Mode
DNC Mode
PROGRAM VERIFICATION
Manual Verification
Software Verification
PRODUCTION MACHINING
Responsibilities
PART INSPECTION
PROGRAM SOURCES
CAM Programs and Machining
Conversational and Macro Programming
PREVENTING A SCRAP
Causes of Scrap
Steps to Eliminate Scrap
Let Offsets Work for You
Offset Adjustment - Example
PROGRAM MODIFICATION
MAINTAINING SURFACE FINISH
Surface Finish in a Drawing
Effect of Cutting Tools
Selection of Cutting Data
Machining Direction
Chatter / Vibration
COOLANTS
Benefits of Coolants
Working with Coolant
Chapter 12
MACHINING HOLES
FIXED CYCLES - OVERVIEW
DRILLING HOLES
Drilling Example
Terminology
Initial Level and R-Level
Depth
Spot Drilling + Counterbore + Countersink
Peck Drilling
Changing Q-depth
TAPPING OPERATIONS
Tap Drill
Feedrate Calculation
Troubleshooting
Rigid Tapping
BORING OPERATIONS
G85 Cycle
G86 Cycle
G87 Cycle
G88 Cycle
G89 Cycle
G76 Cycle
DRILLING FORMULAS
Center Drills
Spot Drills
Twist Drills
Chapter 13
MULTIPART SETUP
MULTIPLE PARTS
Setup Conditions
ORIGIN DISTANCES UNKNOWN
Program Data
Setup Process
ORIGIN DISTANCES KNOWN
Program Data
Using Work Offsets
Using Local Coordinate System
Using G10 Setting
Using Custom Macro
EXTENDED WORK
