What should be the appropriate thickness of the metal sheet when it is used as a raw material for the sheet metal operations?(a) 1 cm to 5 cm(b) 5 cm to 10 cm(c) 7.5 mm to 15 mm(d) 0.4 mm to 6 mmThe question was posed to me in final exam.I'd like to ask this question from Types of Sheet Metal Die in portion Types of Die & Metal Forming Processes of Casting-Forming-Welding II

What should be the appropriate thickness of the metal sheet when it is

1.	What should be the appropriate thickness of the metal sheet when it is used as a raw material for the sheet metal operations?(a) 1 cm to 5 cm(b) 5 cm to 10 cm(c) 7.5 mm to 15 mm(d) 0.4 mm to 6 mmThe question was posed to me in final exam.I'd like to ask this question from Types of Sheet Metal Die in portion Types of Die & Metal Forming Processes of Casting-Forming-Welding II
Answer» Correct option is (d) 0.4 mm to 6 mm The best EXPLANATION: The SHEET metal forming and CUTTING operations are mainly PERFORMED on relatively thin sheets of metal. The thickness of metal sheet should be 0.4 mm to 6 mm to operate EFFICIENTLY. If the thickness is more than 6 mm, then it is normally called as metal plate. The operations are generally performed as cold working.

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