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Thread: Small shop made sheet metal press brake plans??

  1. #1
    Join Date
    Jul 2005
    Location
    N W La.
    Posts
    1,803

    Default Small shop made sheet metal press brake plans??

    Was going through a couple of the "Metalworking" books (#2) and looking at Glen Wilsons version of his brake. Its quite a little tool (everything I've ever seen of Glens is!) but ... its very elaborate and would be more of a project than I wanna get into now, dont need it all that fancy anyhow. So, I remembered I had a copy of Dave Gingerys brake and went and found it.... his is a bit too much the other way, rather barebones, with no way to adjust it, -- assembled to take whatever size/guage you think youre gonna work most with.

    A brake is something I'll seldom use, probably one under 20" would do fine, maybe 15-16", --would like to be able to adjust to take at least 4-5 different guages, maybe 15 thru 20?? 2-4 fingers would be nice---

    Anybody point me to something? A google search turned up several large ones, seemingly aimed at aircraft and cars... nothing that was appealing.

    I'll prolly end up taking Gingerys and use the usual HSM'ers method of --- modify the *%$#* out of it, --but having never been around or using any sheet metal stuff, I'd feel better if I had some kind of guide/plan.
    If everything seems to be going well, you have obviously overlooked something........

  2. #2
    Join Date
    Jun 2006
    Location
    Austin, Texas
    Posts
    15,651

    Default

    J.R. Williams (I think he's a member here?) from the Houston Metalworking Club:

    http://www.homemetalshopclub.org/new...0Metal%20Brake

    Drawings are here:

    http://www.homemetalshopclub.org/pro...etal_brake.zip

  3. #3
    Join Date
    Aug 2003
    Posts
    871

    Default Brake

    Thank you Lazlo as you beat me to the post.
    JRW

  4. #4
    Join Date
    Jun 2006
    Location
    Austin, Texas
    Posts
    15,651

    Default

    Nice job JR -- elegantly simple design, and great craftsmanship!

  5. #5
    Join Date
    Feb 2004
    Posts
    362

    Default

    those are not press brakes. those are finger brakes. a press brake shoves the metal downward into a V shaped die.

    on the subject of adjustability...

    they are so small and flexy that they really dont need to be adjustable.

    you'll never "coin" the metal with a hand brake. and there really isnt that much difference in thickness through the range of material that is usable.

    so if you set it up to work on 22 ga. it'll work just fine on 16 also.

    besides you dont need to stroke them all the way through. (the eccentric crank type)
    Last edited by dsergison; 06-24-2008 at 12:29 PM.

  6. #6
    Join Date
    Jul 2005
    Location
    N W La.
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    Default

    Well, as usual the group comes through!

    I should have thought of the Houston group, they have a treasure trove of plans,tips, tricks, etc on that site. --- Dunno why Google didnt pick that one up?

    That one looks better than the other 2 for what I think I want,-- will get it printed out and check it over more closely..... Thanks!
    If everything seems to be going well, you have obviously overlooked something........

  7. #7
    Join Date
    Aug 2002
    Posts
    7,844

    Default

    why not buy a used one you might find that it will save you a lot of money in the long run?Alistair
    Please excuse my typing as I have a form of parkinsons disease

  8. #8
    Join Date
    Sep 2004
    Location
    Oregon Coast
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    988

    Default

    I bought a set of great plans for a bender from Wallender Engineering awhile back. they down loaded the plans to me for $4 and I really like them. here is a link to the site: http://www.wallenderengineering.com/plan4.html. I have not built the bender as yet, but plan to real soon.
    Mel

  9. #9
    Join Date
    Jan 2006
    Location
    Preston, Connecticut
    Posts
    514

    Default Bending Brake

    Here is some info about bending sheet metals. I thought that I had a link to plans for Dave Bono's bender but don't find it right now. I will check with Dave and get back to the group.

    http://neme-s.org/Dave_Bono.pdf

    http://neme-s.org/dave_bono.htm

    http://neme-s.org/images/PDF%20Files/bending.pdf

    Errol Groff
    Errol Groff

    New England Model Engineering Society
    http://neme-s.org/

    YouTube channel: http://www.youtube.com/user/GroffErrol?feature=mhee

  10. #10
    Join Date
    May 2003
    Location
    52N 122W Western Kanuckistan
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    40,418

    Default

    I bought a really simple 30" brake from Princess Auto a couple of months ago for $30. It works as advertised and I couldn't buy the metal for that price let alone take the time to build it.
    Free software for calculating bolt circles and similar: Origin now settable to bottom left! All values positive. Click Here

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