Document Title: Bliss Computations For Sheet Metal Working Manual
Number Of Pages: 53
Condition Of Original: Very Good
Scan Type: Color Covers with Black and White and Augmented Grayscale Contents
Scan Quality: Very Good
Description: For anyone doing metal stamping or sheet metal work, this manual is a must have. In the working of metal in mechanical power presses it is often desirable or necessary to compute the pressure capacity and sustained work capacity of the press as well as the pressure and work requirements of the job which the press is to do. A series of alignment diagrams for ease in making these computations has been prepared from such formulae as could be developed. Some for the formulae are theoretically accurate. Others are empirical, or are approximations which are sufficiently close for engineering purposes. The diagrams will be shown and discussed in groups, taking up the first several types of operations performed upon metal, and later the capacities of the equipment.
The first half of the manual covers the theory behind blanking, shearing, drawing, reducing, ironing, coining, sizing and forging metal. Then a section on mechanical press selection followed by the second half which contains scaled diagrams for the easy computation of pressures and selection factors. Quite possibly one of the single best resources dedicated exclusively to sheet metal and press work. No better book exists for helping you figure the parameters of a job, and thus the right machine to run it in.
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