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  1. #71
    Quote Originally Posted by JoeHarris View Post
    Would appreciate it though if someone could tell me for sure otherwise with this combo..
    Yep it will be fine.(Just for you joe.)

  2. #72
    It's certainly strong enough, but the 50mm thick aluminium seems a bit over the top. It's a mildly interesting part to machine though so I'd do it cheaply as I tend to charge less if the part is interesting! You could replace it with 2 pieces.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  3. I am now the proud owner of some shiny new taps

  4. #74
    Quote Originally Posted by JoeHarris View Post
    I am now the proud owner of some shiny new taps
    Wonder whether the yanks would refer to them as faucets ;-)


  5. Did Jonathan make you the X Ball Nut/Endplates? any pics?

  6. Quote Originally Posted by AdCNC View Post
    Did Jonathan make you the X Ball Nut/Endplates? any pics?
    Not yet, this project is the definition of snails pace. Young children and no money! Just learning to weld at the mo!

  7. #78
    Welding wood you should be ashamed of yourself...tck tck tck!
    If the nagging gets really bad......Get a bigger shed:naughty:

  8. It's cheaper that steel! No fires yet

  9. OK, so I'm getting the hang of this welding business and selling all of my possessions to afford the steel!

    here are some images of the steel frame design so far:
    Click image for larger version. 

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    It consists of
    1no. 6000 x 50 x 50 x 3mm SHS for the bed
    2no. 6000 x 100 x 50 x 3mm RHS for the legs and cross members
    1no. 6000 x 75 x 50 x 3mm RHS for the bearings and ball screws to mount to
    1no. 6000 x 60 x 6mm flat for the plates and cross bracing
    1no. 3000 x 60 x 6mm flat for the plates and cross bracing
    1no. 1500 x 60 x 60 x 6 RSA for the brackets

    Now all seems fine till I cost the sucker up and it comes in at (Internet price) £460 - a little over what I was hoping!

    Now I reckon I can get this down by going to a local supplier, but not by a lot.

    The other idea is to take the 100 x 50 x 3 box section down to 50 x 50 x 4 which will save about £60. I cant think of any other ideas. Do you think the loss in section size will be offset by the increased weight?

    maybe i'm over designing the whole thing and it could all come down in size?? I know Jazz has mentioned somewhere that skimping on the frame is a bad idea due to resonance issues - but how far do you go? I mean I'm not casting it as one lump of iron!

    One other thing. I am welding plates onto the end of most box sections and then bolting together so as to allow for a bit of adjustment, and I'm not planning on welding the RHS's that take the bearings / ball screws so as to limit heat distortion. Trust this is a smart move?!

    Cheers

    Joe

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