Screwcutting in the Lathe for Home Machinists: Reference Handbook for Both Imperial and Metric Projects (Fox Chapel Publishing) Comprehensive Manual for All Thread Forms, Pitches, and Diameters

Your complete guide to the uses of a lathe for all forms of screwcutting!

• Comprehensive manual explaining all the uses of a lathe for every form of screwcutting in various thread forms, pitches, and diameters
• Includes calculations, gear trains, conversions, and other helpful reference tables
• Both imperial and metric standards are provided
• Author Martin Cleeve was a well-respected contributor to Model Engineer magazine for more than 30 years

Screwcutting in the Lathe for Home Machinists is a complete reference handbook detailing the uses of a lathe for all forms of screwcutting in all thread forms, pitches, and diameters.

Working in both imperial and metric standards, this comprehensive and invaluable resource will inform you on everything you need to know about screw-cutting with a lathe, from fundamental principles to gearing systems, single point lathe threading tools, and so much more. Also included are calculations, gear trains, conversions, and other helpful reference tables.

The wide variety of subjects covered include:

• Principles of Lathe Screwcutting
  Altering the pitch
  Simple and compound gear trains
  Self-act feeds from leadscrews
  Diametral pitch worms
  The DP formula
• Gearing an English Leadscrew for Metric Threads
  50-127 translation ratio explained
  Reduced pitch translators
  The 2-21 (63-160) method
  Worms sized by module
• Lathes with Metric Leadscrews
  Screwcutting calculations
  Disadvantages of 127-50 step up
  English gear trains
  Quick checking for nominal pitch
• Problems and Analysis of Repeat Pick-Up
  Action of English indicator
  Geared leadscrew indicators
  Pick-up when gearing is approximate
  Pick-up with dog-clutch control
• Multiple-Start Threads
  Automatic start indexing
  Feasibility test
  Automatic start indexing possibilities
  Special leadscrew design formula
• Single Point Lathe Threading Tools
  High speed steel
  Tungsten carbide
  Cutting angles
  Inserted bit tools
  Thread tool sharpening and grinding
• Practical Aspects of Lathe Screwcutting
  Four ways of depthing a screw thread
  Square thread cutting
  Acme thread cutting
  Special tap making
  Thread crest radii
  Screwcutting speeds
• Practical Thread Sizing Measurement
  Definitions of screw thread terms
  The 3-wire method of thread checking
  One-wire checking
  Pitch diameter calculations
  Helix angle of screw threads
  Gauging nut threads
• And much more!