Transcription of SHEET METALWORKING - Michigan State University
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1 SHEET METALWORKING1. Cutting Operation2. bending Operation3. Drawing4. Other SHEET - metal Forming5. Dies and Presses6. SHEET - metal Operation 7. bending of Tube Stock2 Introduction Cutting and forming thin sheets of metal usually performed as cold working SHEET metal = (1/64) to 6 mm (1/4in) thick plate stock > 6 mm thick Advantage - High strength, good dimensional accuracy, good surface finish, economical mass production (low cost). Cutting, bending , drawing 2 1 1 3, 22 =55 Localized necking Because = in plasticity, 1=-2 2=-2 33 SHEET METALWORKING Terminology Punch-and-die Tooling to perform cutting, bending , and drawing Stamping press Machine tool that performs most SHEET metal operations Stampings SHEET metal products4 SHEET - metal Characteristics Elongation the capability of the SHEET metal to stretch without necking and failure.
Sheet-metal Operation . 7. Bending of Tube Stock. 2. Introduction • Cutting and forming thin sheets of metal usually performed as cold working • Sheet metal = 0.4 (1/64) to 6 mm (1/4in) thick • Plate stock > 6 mm thick • Advantage - High strength, good dimensional accuracy, good surface finish, economical mass
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