Excerpt from Punches, Dies and Tools for Manufacturing in Presses: A Cyclopaedia of Die-Making, Punch-Making, Die-Sinking, Sheet Metal Working, and Making of Special Tools, Devices and Mechanical Combinations for Piercing, Punching, Cutting, Bending, Forming, Drawing, Compressing, Embossing, Forging and Assembling Metal

Throughout this entire volume it has been my endeavor to eliminate all obsolete processes, designs, and methods; to confine myself exclusively to the design, use, adaptation, and operation of the numerous sets of tools illustrated, and to make as brief as possible the descriptions relating to the most modern and approved methods for constructing such tools. The fundamentals have been fully and comprehensively covered in the first volume.

When it is considered that all other branches of practical mechanics enjoy a wide and extensive literature, it is indeed strange that until lately this branch possessed comparatively none. For many years all mechanics interested in the use and operation of dies, presses, and other sheet-metal working tools in modern use, were without any work that treated of these subjects in a thoroughly practical manner. The wide circulation of my first volume demonstrated the widespread interest in the subjects and the need for other works that would cover the art carefully, authoritatively, and entirely. There fore, I beg to state that in this work I have striven to deal with the subjects which come within the scope of the book in a thoroughly practical manner, to the exclusion of all that is technical or that might appear in any way ambiguous to the practical man. A large number of valuable and inter esting processes, rules, formulas, and designs have been em bodied in the work, and it is believed will be found of ines timable value in connection with the construction, use, and adaptation of dies and press tools which form the subject matter of the book.

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