Chapter 7
Entering the Toolholding No Spin Zone
IN THIS CHAPTER
Getting a firm grip on rotary tools
Telling some truths about tapers
Stop pulling: Shrink fit and hydraulic holders
Increasing toolholder performance
Turning about with stick tools
Changing tools quickly
Before anything else, preparation is the key to success.
—ALEXANDER GRAHAM BELL
High-quality cutting tools are an important and necessary part of any successful machining strategy. How you hold them is just as important, and largely determines how well they work, how long they last, and whether one will suddenly come loose and destroy a $20,000 aerospace part. It happens.
For starters, machining center tools must be held securely with as little runout as possible. What’s that mean? If the tire on your 1964 Pontiac GTO is out of balance, that’s runout. It causes wear and tear on cars and cutting tools alike. As for holding ...
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