What is Forming? Types of Forming Process Notes &
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2022 7 14 The sheet forming method uses plastic sheet deformation techniques such as Deep Drawing, Cutting, Bending, Hemming, Flanging, Curling, Stretch Forming/Stretching, Stamping. 2.1 Deep drawing: Deep drawing is a sheet metal process in which sheet metal is forced into a cup of hollow shape using tensile and compressive forces without changing its
US2140197A
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US2140197A US30195A US3019535A US2140197A US 2140197 A US2140197 A US 2140197A US 30195 A US30195 A US 30195A US 3019535 A US3019535 A US 3019535A US 2140197 A US2140197 A US 2140197A Authority US United States Prior art keywords marble sheet base bentonite plastic Prior art date 1935 07 06 Legal status The legal status is an assumption and