ommonly Used--Multiple
Threads--Cutting a U. S. Standard Thread--Cutting a Left-hand
Thread--Cutting a Square Thread--Cutting Multiple
Threads--Setting Tool When Cutting Multiple Threads--Taper
Threading--Internal Threading--Stop for Thread Tools--The
Acme Standard Thread--The Whitworth Thread--Worm
Threads--Coarse Threading Attachment--Testing the Size of a
Thread--The Thread Micrometer--Three-wire System of Measuring
Threads--Rivett-Dock Threading Tool--Cutting Screws to
Compensate for Shrinkage--Calculating Change Gears for Thread
Cutting--Lathes with Compound Gearing--Fractional
Threads--Change Gears for Metric Pitches--Quick Change-gear
Type of Lathe 135-177

CHAPTER V

TURRET LATHE PRACTICE

General Description of a Turret Lathe--Example of Turret
Lathe Work--Machining Flywheels in Turret Lathe--Finishing a
Flywheel at One Setting in Turret Lathe--Finishing a Webbed
Flywheel in Two Settings--Tools for Turret
Lathes--Box-tools--Examples of Box-tool Turning--Hollow
Mills--Releasing Die and Tap Holders--Self-opening Die
Heads--Collapsing Taps--Miscellaneous Turret Lathe
Tools--Turning Gasoline Engine Pistons in Turret
Lathe--Turning Piston Rings in Turret Lathe--Piston Turning
in Pratt and Whitney Turret Lathe--Attachment for Turning
Piston Rings--Turning Worm-gear Blanks in Turret
Lathe--Turning Bevel Gear Blanks--Shell Turning Operation in
Flat Turret Lathe--Chuck Work in Flat Turret
Lathe--Double-spindle Flat Turret Lathe--Automatic Chucking
and Turning Machine--Example of Work on Automatic Turning
Machine--Determining Speed and Feed Changes--Setting the
Turret Slide--Setting the Cross-slide Cam--Setting the Boring
Tool for Recessing--Adjustments for Automatic Feed and Speed
Changes--Turning Flywheel in Automatic Chucking and Turning
Machine--Automatic Multiple-spindle Chucking
Machine--Selecting Type of Turning Machine 178-241

CHAPTER VI

VERTICAL BORING MILL PRACTICE

Boring and Turning in a Vertical Boring Mill--Holding and
Setting Work on Boring Mill Table--Turning in a Boring
Mill--Boring Operations--Turning Tools for the Vertical
Boring Mill--Turning a Flywheel on a Vertical Mill--Convex
Turning Attachment for Boring Mills--Turning Taper or Conical
Surfaces--Turret-lathe Type of Vertical Boring Mill--Examples
of Vertical Turret Lathe Work