Providing the foundational "whys" behind die operations.
The PDF usually starts with the hardware. You will learn the names and functions of: basic die making ostergaard pdf
Ostergaard reminds you: Shear strength of 6061 aluminum is approx. 30,000 PSI. Perimeter of a 2" square part is 8 inches. Cutting force = Perimeter x Thickness x Shear Strength. (8 x 0.0625 x 30,000 = 15,000 lbs). You need a press rated for 20 tons (40,000 lbs) for safety. Providing the foundational "whys" behind die operations
Beginners often forget that the material will stick to the punch. The PDF typically provides rules of thumb (e.g., stripping force = 10% of cutting force) and explains mechanical vs. spring strippers. 30,000 PSI
Basic Diemaking: McGraw-Hill, Ostergaard, Eugene - Amazon.com
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