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!
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