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Portable press

Discussion in 'Tools of the Trade' started by nowing75, Jul 4, 2017.

  1. nowing75

    nowing75 Senior Member

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    IMG_0493.JPG IMG_0492.JPG Built this after I did a job Where I had to make one from scrap I had on the truck. Found the porta power and 50 ton cylinder on Craig's list for $300. One of my customers called and said they bent a fork and if I had a way to straighten in the field.
     
  2. hvy 1ton

    hvy 1ton Senior Member

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    That's pretty slick nowing.
     
  3. kshansen

    kshansen Senior Member

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    Retired Mechanic in Stone Quarry
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    You're not telling me you got that pump and cylinder for $300.00 are you?

    I would feel very guilty all the way back to my truck and drive fast before someone changed his mind!
     
    ship660 likes this.
  4. Junkyard

    Junkyard Senior Member

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    Field Mechanic
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    Claremore, OK
    Great minds think alike :)

    IMG_9041.JPG
     
  5. kshansen

    kshansen Senior Member

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    Retired Mechanic in Stone Quarry
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    Central New York, USA
     
  6. Junkyard

    Junkyard Senior Member

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    I want mine ready for modifications! Lol
     
  7. nowing75

    nowing75 Senior Member

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    Yep deal of the day
     
    StanRUS likes this.
  8. still learn'n

    still learn'n Senior Member

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    I would like a c press so I could press out pins up against something where a double post press wouldn't fit. How do you guys decide how tough to make it? Guess and if it bends some reinforce it?
     
  9. Junkyard

    Junkyard Senior Member

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    Mine was done simply by what I had lying around. I suppose I could sit down and do the calculations to determine what section modulus I needed for a given tonnage capacity, then add a safety factor. But it's more fun to watch for deflecting material haha. I suppose I could plug in what I have for material and determine the working capacity of it. I pressed a top roller apart awhile back and I stood to the side once the handle got hard to pump..... I don't think I'd stick my larger cylinders in it.

    The one on mine is probably a 15 ton just guessing. I hauled a press years ago and the cylinder/hand pump was left up top. I found it when I climbed up to pad the top for my tarp. Figuring up stressed involved and material dimensions needed wouldn't take much on a press like that.
     
  10. nowing75

    nowing75 Senior Member

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    we just gussed at it we have a 75 ton at the shop made by dake so just downsized it a bit I would think it would hold 50 ton
     
  11. SARuger

    SARuger Well-Known Member

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    Blue Ridge Mountains
    Interesting! I see bent forks everyday on my job. My instructions are to sell the customer a new set of forks. We are not allowed to straighten them.

    I don't see an issue as long as heat isn't involved, but my boss disagrees
     
  12. nowing75

    nowing75 Senior Member

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    I guess if he's willing to buy a new set
     
  13. Ronsii

    Ronsii Senior Member

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    Every time the material gets bent it induces more 'work hardening' kinda like when you keep bending wire back and forth it eventually breaks, however on a bend like that I'd have no problem doing it... but these days with all the lawyers and osha,msha,etc's involved everyone's scared stiff to do anything.
     
    Delmer and SARuger like this.
  14. Delmer

    Delmer Senior Member

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    Forklift forks are one of those particular no go zones due to OSHA etc. Kinda like repairing ladders, crane booms, or telling ***** jokes, you might get away with it here and there, but be careful and don't make a business out of it.
     
    SARuger likes this.
  15. nowing75

    nowing75 Senior Member

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    I ain't scared
     
    Delmer likes this.