دانلود کتاب Screwcutting in the Lathe for Home Machinists: Reference Handbook for Both Imperial and Metric Projects

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 diametersIncludes calculations, gear trains, conversions, and other helpful reference tablesBoth imperial and metric standards are providedAuthor Martin Cleeve was a well-respected contributor to Model Engineer magazine for more than 30 yearsScrewcutting 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 ScrewcuttingAltering the pitchSimple and compound gear trainsSelf-act feeds from leadscrewsDiametral pitch wormsThe DP formulaGearing an English Leadscrew for Metric Threads50-127 translation ratio explainedReduced pitch translatorsThe 2-21 (63-160) methodWorms sized by moduleLathes with Metric LeadscrewsScrewcutting calculationsDisadvantages of 127-50 step upEnglish gear trainsQuick checking for nominal pitchProblems and Analysis of Repeat Pick-UpAction of English indicatorGeared leadscrew indicatorsPick-up when gearing is approximatePick-up with dog-clutch controlMultiple-Start ThreadsAutomatic start indexingFeasibility testAutomatic start indexing possibilitiesSpecial leadscrew design formulaSingle Point Lathe Threading ToolsHigh speed steelTungsten carbideCutting anglesInserted bit toolsThread tool sharpening and grindingPractical Aspects of Lathe ScrewcuttingFour ways of depthing a screw threadSquare thread cuttingAcme thread cuttingSpecial tap makingThread crest radiiScrewcutting speedsPractical Thread Sizing MeasurementDefinitions of screw thread termsThe 3-wire method of thread checkingOne-wire checkingPitch diameter calculationsHelix angle of screw threadsGauging nut threadsAnd much more!Author Martin Cleeve was a well-respected contributor to Model Engineer magazine for more than 30 years. A known perfectionist to high-quality and accurate work, he designed and described many original lathe accessories, which have been made and regularly used in hundreds of amateur and professional workshops.Get answers to all your questions about lathe screwcutting, with the must-have handbook for every lathe operator, Screwcutting in the Lathe for Home Machinists!"The Home Machinist Series is filled with everything you ever wanted to know about machining and more. I feel quite confident that those who read the whole series, or even just one book, will come away with invaluable and extensive knowledge that will help further their craft."—Shawn Arnold, Publisher CNC WEST magazine"There is a wealth of insightful and easy-to-comprehend information for metalworkers in the Home Machinist Series. The books are guaranteed to serve as handy, long-term machining references."—Alan Richter, Editor at Large, Cutting Tool Engineering magazine