Die life is dependent upon shape and size.
Diy sheet metal stamping press.
After the desired thickness is obtained the sheet metal then is rolled into a large coil.
Place this cylinder on top of the metal sandwich and place the entire assembly under the press.
Place the sheet metal in the correct position on the positive die and slide the negative on top.
Many different types of metal can be cut and formed in a die.
Short run hydraulic press work is often done using kirksite a trade name for a zinc alloy aka pot metal dies.
Common life is 10 000 15 000 parts.
Although most stamping operations use sheet steel special dies can cut and form steel bars up to 3 in.
It s like a little metal sandwich.
Find a long metal cylinder that will fit between the two stainless steel rods.