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My version of a stand for the PM1340GT lathe.

Discussion in 'PRECISION-MATTHEWS' started by sanddan, Jun 17, 2017.

  1. sanddan

    sanddan Active User H-M Supporter-Premium

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    Back when I first got my PM1340GT lathe I had some issues with the factory stand. The mounting plates were a little too flexible allowing some vibrations to magnify causing the lathe to shimmy. I also wished there was more usable storage than the factory stand provided. At that point I decided to build my own stand that would address both issues.

    screen shot1.png


    I designed the stand around a Harbor Freight 44" top box as it was a good height and width and I already have the bottom box and am impressed with the quality. I chose to remove the lid and trim the flange so the box would have a close fit and look "built in".

    box mod1.JPG

    box mod2.JPG


    The main tubes are 2" square, I used .125" wall but thicker wall tubing would add more mass. Either works fine. I also used some 1" sq tubing and angle for mounts. The skin is 12 gage and I did mine flush so I could blend the welds and finish them for paint. I wanted a "one piece" look, it ended up adding a lot of labor but looks cool. The two mount plates that the lathe bolts to are .500" P&O that are laser cut to ensure best flatness. The first 2 I got were sheared, they looked like a potato chip, so I tried laser cut and they were very flat.

    raw materials2.JPG

    metal prep2.JPG


    The idea with this design is to create as flat a mounting surface as possible considering it will be as welded and not machined. To reduce warp due to welding the main frame is fully tacked up before welding. The two mount plates aren't mounted until all of the other welding is completed. I used tubing to align the 2 mount plates and then did several 1" welds to secure them. I added 2x2 angle to support the tool box and added a shelf.

    I setup the ends first, then added in the long sections making sure it was as square as I could make it.

    setup1.JPG

    setup2.JPG

    setup6.JPG


    shelves1.JPG

    lathe mount plate setup1.JPG

    I metal finished and smoothed the joints with body filler to get the smooth, seamless look and then finished up with a single stage urethane paint job.

    body work5.JPG

    paint1.JPG

    Here it is with the lathe mounted.

    lathe setup6.JPG


    Member bss1 has some very nice additions that he did on his version, please check it out.

    http://www.hobby-machinist.com/threads/another-pm1340gt-build.52267/



    I've attached prints for the major components and a cut list for the tubing.
     

    Attached Files:

    darkzero, Reeltor, MozamPete and 18 others like this.
  2. .LMS.

    .LMS. United States Lathe Noob Registered Member

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    Allow me to be the first to say - that's really beautiful.
     
  3. tweinke

    tweinke United States Active User H-M Supporter-Premium

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    And I will second that! :encourage:
     
  4. AirWolf

    AirWolf H-M Supporter - Premium Content H-M Supporter-Premium

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    Very Nice! Excellent craftsmanship!
     
  5. Silverbullet

    Silverbullet Active Member Active Member

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    Very nice , really won't shimmy with that foundation. Good luck
     
  6. sanddan

    sanddan Active User H-M Supporter-Premium

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    Thanks everyone for the comments. I had several people asking for the drawings and/or dimensions for my stand so thought starting a thread would be the best way to share them.

    One question I got was, "Where did I get the mounting plates?". I used BBC Steel located in Canby, they will laser cut anything you want based on drawings or cad files. The nice thing about laser cutting is they have to use P&O steel (pickled and oiled) which doesn't have the mill scale of hot rolled. Laser gives you a flat part with crisp, clean edges and holes. The holes could be drilled but they are basically free when the profile is laser cut so it is a time saver. Most larger cities in the US will have a major steel supplier, just call around your area.

    An alternative look, which would also be a lot less labor, would be to setup the filler plates flush with the tubing and only weld on the inside. Less weld would be needed and it would leave the laser cut edge as a nice detail to the design. Finish work would be much easier.
     
  7. [X]Outlaw

    [X]Outlaw Trinidad and Tobago Active Member Active Member

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    Very very nice! Sweet craftsmanship!
     
  8. bss1

    bss1 United States H-M Supporter - Premium Content H-M Supporter-Premium

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    I can vouch for the accuracy of Dan's plans . Thanks for posting them here as they are a great asset to anyone wanting to build their own stand for the 1340 GT.

    My local steel supplier offered water jet services so I let them water jet cut my mounting plates. They turned out very true to the measurements. The only downside was a bit of surface rust which was easily removed.


    Sent from my iPad using Tapatalk
     
  9. RandyM

    RandyM United States Global Moderator Staff Member H-M Supporter-Premium

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    :cheer::cheer::cheer:

    Well done!
     
  10. sanddan

    sanddan Active User H-M Supporter-Premium

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    Quality and accuracy of cut rating:
    1. Water Jet
    2. Laser
    3. Plasma
    4. Torch
    5. Beaver

    In my case, if I use a torch it looks like a beaver did it.
     
    .LMS. and wrmiller like this.
  11. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    If I had the money, I'd pay someone to make me a stand like that. Too cool! :aok:
     
  12. qualitymachinetools

    qualitymachinetools United States Active User H-M Supporter-Premium

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  13. sanddan

    sanddan Active User H-M Supporter-Premium

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    If you were closer, I'd help you make it.

    The fab part was fun, the paint part was only work.
     
    wrmiller likes this.

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