The restrike die operation fundamentally is a solid forming operation.
Die making for aluminum sheet metal.
Hydraulic die forming is somewhat similar to masonite die forming.
Forming dies were typically made by tool and die makers and put into production after mounting into a press the die was a metal block that was used for forming materials like sheet metal and plastic for the vacuum forming of plastic sheet only a single form was used typically to form transparent plastic containers called blister packs for merchandise.
The main difference is that a restrike die is used after most of the major forming already has been performed.
Ironing is the basic process used to make beverage cans seefigure 2.
A simple round metal slug is placed into the die and forced to flow into a given shape by compressing it see figure 3.
The kicker with this build is that there is no fluid at least not until the 40 000 pound hydraulic press semi liquifies the thick neoprene rubber pad placed over the sheet metal blank and die.
The sheet metal takes the form of the design cut into the die.
Get free shipping on qualified aluminum sheet metal or buy online pick up in store today in the hardware department.
In both sheet metal is sunk or pressed into a die.
019 aluminum sheet not sure what series of aluminum it is but the label on the box said that it was some sort of photosensitive aluminum i used about 4 x24 of the sheet for this project.
2 75 diameter steel round bar mild steel i used a length of about 2 3 total approximately 1 5 per side of the die.
Hydraulic die forming is quicker and lends itself more to duplicating formed art or other production.