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FIVE GOOD PRACTICAL BOOKS

By JOSEPH V. WOODWORTH

These are practical shop books for all interested in accurate tool and die making, steel treatment, drop forging, die sinking, power presses and modern shop practice in the production of duplicate metal parts. Dies: Their Construction and Use for Modern Working of

Sheet Metals.
This is the only practical, authoritative book for the die maker and power
press user.

Price $3.00. Hardening, Tempering, Annealing and Forging of Steel.

The most up-to-date book on steel treatment for the practical steel worker

and the user of tempered steel cutting tools. - - Price $2.50. American Toolmaking and Interchangeable Manufacturing.

A 20th century shop reference book on the very latest toolmaking practice, interchangeable manufacturing and machining of duplicate metal parts.

Price $4.00. Punches, Tools and Dies for Manufacturing in Presses.

A cyclopedia of die making practice, sheet metal formation in presses, and use of punches and dies.

Price $4.00. Drop Forging, Die Sinking and Machine Forming of Steel.

The only book published on these great branches of mechanical art and modern shop practice. A mine of practical information for the drop-forger, die sinker and steel parts manufacturer.

Price $2.50. Power Presses: Their Feeds, Attachments and Safety Devices.

If interested in this book, send us your name and we will send a descriptive

circular of it, on publication. (In preparation.) IF Any of the above books sent prepaid on receipt of the price

The Norman W. Henley Publishing Company 132 Nassau Street

NEW YORK

and Machine Forming of Steel

MODERN SHOP PRACTICE, PROCESSES, METHODS, MACHINES, TOOLS AND DETAILS

A Practical Treatise on The Hot and Cold Machine-Forming of Steel and Iron into Finished Shapes: Together with Tools, Dies and Machinery Involved in the Manufacture of Duplicate Forgings and Interchangeable Hot and Cold

Pressed Parts from Bar and Sheet Metal

Comprising Die Sinking and Drop Forging Practice and Design for Modern Forging, Pressing and Stamping of Duplicate Parts ... Die Sinking Methods, Processes, Machines and Tools ... Drop Forging Dies: Their Design, Construction and Use in Drop Hammer and Forging Machine ... Press Forming of Heavy Hot and Cold Stock in Dies ... Drop Forging and Hardening Plants: Their Designs, Fundamental Conditions,and the Equipment Involved in Their Attainment... Steel and Iron: Their Treatment for Twisting, Reducing, Forging and Working in Drop Dies ... Hot Pressed Steel and Iron Parts: Their Manufacture and Assembling into Finished Products ... Drop Mammers: Their Development, U'se, Weights, Foundations and Dies ... Forging Machine, Steam Hammer, Bulldozer and Swaging Machine Methods and Processes ... Machine Forging, with Examples of Modern Practice and Tools Involved.

By
JOSEPH V. WOODWORTH
Author of Dies: Their Construction and Use,etc.

SCIENCE

CONTAINING 300 ILLUSTRATIONS

NEW YORK
THE NORMAN W. HENLEY PUBLISHING CO.

132 NASSAU STREET

1911

Copyrighted, 1911, by
The Norman W. Henley Publishing Co.
MAY 9 1912

TCN .W 87

PREFACE

In this work I have endeavored to produce a practical mechanical book, treating subjects comprehensively and thoroughly, which until now have been strangely ignored by writers and compilers of practical works on the mechanical arts. Although I searched carefully, I was unable to locate any work of value, published in any language, which treated practically and understandingly the arts of Die-Sinking and Drop and Hydraulic Forging. Only in the mechanical publications American Machinist and Machinery did I find articles and illustrations on the subjects which appeared to me to be of sufficient value to live; and I here acknowledge my great obligation to both these journals for the valuable matter which I secured from their columns and have now embodied in the contents of this volume.

I believe that the extensive development of the Die-Sinking art and the wide adaptation of Machine-Forging processes by all metal parts manufacturers, together with the meagerness of published information on the practise involved, make a work of this kind necessary, timely, and valuable.

The text of the treatise is concise; technical and ambiguous terms have been replaced by practical and familiar shop words; and all the illustrations and descriptions are plain and simple to understand. Thus, a thorough comprehension of the information and data contained in this treatise by the greatest number is assured.

The description of every subject and method involved has been boiled down to the simplest and fewest possible words; so that the “meat” of all may be arrived at and digested in the shortest time by the busy men of metals who will consult the pages following.

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