Hydraulic Die Forming Discussion Group
Re^2: What is Die Forming?

Lee Marshall
lmarshal@bonnydoonengineering.com

>It looks about as good as is reasonable to expect, given the alotted size and it's introductory nature. The die/metal/urethane sandwich diagram looks upside down to me, but that's the beginning of my "picky ,picky" list , and the rest of it isn't worth mentioning.  

>Mr. Good Dar

The reason for putting the urethane pad on the bottom, is to allow easy placement of the matrix die exactly over a certain portion of texture, or if the flange is very small, being sure that the die is exactly in the center of the metal. You can see through the matrix die, and get better placement.
Also, the 1/2" thick pad is thick enough to use as a loading pallet, allowing the user to line up everything while on the outside of the press. The analogy that I use in the workshops, is that it is easier to assemble your pizza on the table, and then slide it into the oven, rather than build it in the oven.
Putting the pad on top is more likely to jostle the stack and cause a mis-register of the components.

Lee

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