Shop-Made Press Brake Dies, Laminated
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  1. #1
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    Default Shop-Made Press Brake Dies, Laminated

    We acquired many press-brake dies recently and in putting them in the custom-made rack that came with them, we noticed a number of die sets made by stacking steel cutouts, then joining with weld beads. Some had job numbers welded on. The company that made and used them said they cut multiple cross-sections from 1/8” plate using a cnc waterjet, with two dowel holes each. Long dowels were inserted to retain alignment when the sections were welded. The company did this to save money since they found custom-made solid dies were very expensive. If anyone wants better photos of the custom-made die storage rack, ask and I’ll post some. Maybe laminated dies are common, I don’t know, I’ve just never seen any before.


    John Morris has shared 7 photos with you! | Flickr

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    I have seen plenty of them. Some plasma cut too. Sometimes the profile is made smaller by a thickness of sheet material that will get wrapped around the punch or die to smooth it out, or change radius of a bend.

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    Yes, I have seen laminated dies as well. my family has been in the manufacturing business for over 100 years.
    We probably have over 50 shop made dies sitting around here from different projects over the years.

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    Some folks are even making dies by 3d printing.

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    Some folks even use a milling machine and/or WEDM and whittle out their own from solid.

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    Quote Originally Posted by Garwood View Post
    Some folks even use a milling machine and/or WEDM and whittle out their own from solid.
    Stop with your crazy talk!

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    Quote Originally Posted by Milland View Post
    Stop with your crazy talk!
    Next you'll be advocating people using shapers & planers.....

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    We made some very large radius dies this way. Very affordable.

    Even made a Wila style punch that clips into our hydraulic tool holder and accepts many different radii of nose.

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    Some pics of that would be fun.

    Quote Originally Posted by Strostkovy View Post
    We made some very large radius dies this way. Very affordable.

    Even made a Wila style punch that clips into our hydraulic tool holder and accepts many different radii of nose.

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    I need to make a lower press brake die.................and yes, it will be a good project for one of the shapers

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    These don't show the click mechanism but they're the pictures I had.
    Attached Thumbnails Attached Thumbnails qhr6bedl.jpg  

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    We build up all kinds of crazy bending fixtures.
    Attached Thumbnails Attached Thumbnails bending-fixture.jpg  

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    Quote Originally Posted by Kalispel View Post
    We build up all kinds of crazy bending fixtures.
    Did that work? What did it bend? The way the punch and die are cantilevered out and the press's guides are inboard for such a width look very problematic to me.

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    Quote Originally Posted by Garwood View Post
    Did that work? What did it bend? The way the punch and die are cantilevered out and the press's guides are inboard for such a width look very problematic to me.
    Yes it works. This picture was just as it was tacked up. It was made for a dedicated cell that we use to make rolled and welded cylinders. We roll them in a four-roll pinch roller machine. Still, the beginning and ends have a small flat. This bender pre-bends the beginning and end to get a more round tube. It is only 14 gage stainless and we don’t need to tie up a bend brake. Just a cheap surplus hydraulic C frame. The pump is variable displacement with pressure limits. Something left over from an auto plant. Overkill but cheap and it won’t break when someone abuses it.

    We plasma weld the tube seam on a Jetline seamer. We deep draw two different ends and TIG weld them in this simple weld lathe fixture.

    I guess my point is we make a lot of cheap dedicated tooling with some surplus machines, plasma table, welder and a mill.
    Attached Thumbnails Attached Thumbnails 20210322_114157.jpg  

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    Quote Originally Posted by Garwood View Post
    Some folks even use a milling machine and/or WEDM and whittle out their own from solid.
    i have done that, from a piece of hardened 4140 2x2 stock


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