By S. L. Semiatin
Quantity 14A is an necessary reference for production, fabrics, and layout engineers. It offers entire assurance and crucial technical info at the process-design relationships which are had to choose and keep an eye on metalworking operations that produce shapes from forging, extrusion, drawing, and rolling operations. In-depth dialogue of forming apparatus, approaches, fabrics, and complex modeling recommendations make it a considerably new up to date ASM guide.
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Extra resources for Asm Handbook: Volume 14A: Metalworking : Bulk Forming (ASM Handbook)
B) “Filtered” preform geometry. (c) “Trimmed” preform geometry. Source: Ref 24, 29 10 / Introduction and defect formation will help refine allowable processing windows and needed process controls. Such integration will thus form a very important part of overall process optimization. 12. REFERENCES 1. T. I. L. Gegel, Metal Forming: Fundamentals and Applications, American Society for Metals, 1983 2. T. Altan, G. Ngaile, and G. Shen, Cold and Hot Forging: Fundamentals and Applications, ASM International, 2004 3.
Shaping is conducted using opposed rollers or a combination of rollers and a mandrel acting on a rotating workpiece (Fig. 1). Unlike former simple rollforming processes used to make long tubes, cones, and so forth, newer roll-forming methods rely on the simultaneous control of radial and axial metal flow. For example, the internal profile of complex shapes can be generated by combined radial-axial roll forming that typically makes use of a sophisticated internal mandrel consisting of several angular segments and devices to quickly lock or unlock the segments.
Z. A. Kaibyshev, Superplastic Roll Forming of Ti Alloys, Mater. , Vol 21, 2000, p 287–295 4. P. X. U. A. Z. A. Salishchev, Net-Shape Manufacturing of Aircraft Engine Disks by Roll Forming and Hot Die Forging, J. Mater. Proc. , Vol 135, 2003, p 324–329 5. M. Segal, Equal Channel Angular Extrusion: From Macromechanics to Structure Formation, Mater. Sci. Eng. A, Vol A271, 1999, p 322–333 6. M. Geiger, M. Kleiner, R. Eckstein, N. Tiesler, and U. Engel, Microforming, Ann. CIRP, Vol 50 (No. 2), 2001, p 445–462 7.
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