Calculate the cutting force for the punching of the triangular slot shown in the figure for Mild steel and Aluminum 6061 alloy. 30 Each side of the triangle is equal to 30 mm. t= 5 mm (hints) Cutting force - StL S- Shear strength of sheet-metal 1- Sheet-metal thickness L= Length of cutting edge T = Ultimate tensile strength of sheet-metal Tensile Strength Material (N/mm) Mild Steel 440 Aluminum 6061 alloy 310 AISI type 304 Stainless Steel 505 Shear strength for: Aluminum is approximately 50% of its tensile strength Mild steel is approximately 60% of its tensile strength Stainless steel is approximately 90% of its tensile strength

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Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.