Taller Y carriage plates?

New Home Forum LowRider Advice – LowRider Taller Y carriage plates?

This topic contains 7 replies, has 5 voices, and was last updated by  Greg 1 month ago.

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  • #100877

    Greg
    Participant

    Been doing some more calculations on my torsion box design and I think I need to go quite a bit thicker with the table to get the stiffness I want.  Is there any problem with just designing some taller Y plates and using longer tubes to accommodate a taller table?

     

    #100889

    Jeffeb3
    Participant

    Interesting. I wonder what @allted will say. I don’t have the mechanical mind, but it might make it stiffer?

    Barry has a paulk bench and he just added rails to the side. You could do the same.

    1 user thanked author for this post.
    #100904

    Ryan
    Keymaster

    Taller should be fine, I think a rail might be an easier option and keeps the moving mass down as well.

    1 user thanked author for this post.
    #100924

    Greg
    Participant

    How wide should the rail be?

    #100942

    Barry
    Participant

    Unistrut is 1 5/8″ square.  My wheels run pretty close to the center of the rail.

    2 users thanked author for this post.
    #100954

    Greg
    Participant

    I need a wheel guide for accuracy so I guess if I routed a groove in two laminated strips of 3/4” mdf it should work.   Doesn’t really seem easier than making a taller Y plate but it would be nice keeping the carriage lighter.

    #100962

    kd2018
    Participant

    I need a wheel guide for accuracy

    It was my understanding that wasn’t necessary. What kind of inaccuracy are we talking about?

    #100967

    Greg
    Participant

    It was my understanding that wasn’t necessary. What kind of inaccuracy are we talking about?

    On my current small table I found that even after I tinkered with my wheels and got them perfectly parallel I would see some drift to one side when doing multiple passes back and forth. After enough passes it would use up the entire 1/4” gap with the table. This caused me problems  especially cutting aluminum where the passes have to line up exactly. Routing some 1/8” deep grooves for the wheels resolved this. I don’t think the belt tension is sufficient to keep the carriage centered on the table otherwise.  Other people have used  closet door track but I found my solution easier and much cheaper… for some reason 20 feet of closet door track prices out to a lot around here.

    • This reply was modified 1 month ago by  Greg.
    • This reply was modified 1 month ago by  Greg.
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