6
Dwell ..................................................................................................................................90
Tool Length Offsets ...........................................................................................................91
Summary ...........................................................................................................................95
Chapter 5
Machining Center Tools, Inserts, Speeds, and Feeds ........................97
Cutting Tool Materials ........................................................................................................98
Drilling ..............................................................................................................................100
Tapping ............................................................................................................................104
Reaming ..........................................................................................................................106
Countersinking .................................................................................................................107
Counterboring ..................................................................................................................107
Boring ..............................................................................................................................108
Milling—Profiling ..............................................................................................................108
Toolholders ...................................................................................................................... 110
Types of Feeds ................................................................................................................ 110
Machinability .................................................................................................................... 112
Cutting Speed .................................................................................................................. 113
Revolutions Per Minute (rpm) .......................................................................................... 114
Feed................................................................................................................................. 115
Depth of Cut .................................................................................................................... 118
Summary ......................................................................................................................... 119
Chapter 6
Machining Center Carbide Insert Fundamentals ..............................121
Milling ..............................................................................................................................121
Cutter Mounting ...............................................................................................................122
Safety Precautions...........................................................................................................123
Cutter Selection ...............................................................................................................124
Insert Selection ................................................................................................................126
Insert Identification System .............................................................................................127
Preparing for Machining ...................................................................................................130
Summary .........................................................................................................................131
Chapter 7
Programming Process for Machining Centers ..................................133
CNC Documentation ........................................................................................................133
Programming Sequence ..................................................................................................139
Summary .........................................................................................................................142