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1500x1000mm Adjustable Height

Discussion in 'CNC Mills/Routers' started by JerryD, Jul 9, 2017.

  1. JerryD

    JerryD New
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    JerryD published a new build:

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  2. Anthony Bolgar

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    I would look at getting some custom plates made to attach your tall gantry supports with. The way you have it designed there is going to be an incredible amount of deflection when it is raised up to the higher levels. Just a thought for you :)
     
  3. JerryD

    JerryD New
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    Thanks for the input Anthony. This did cross my mind and I am still slightly concerned about it. Do you think using C-Beam instead of the V-slot for the gantry sides would help? Once it's built I could attempt to cut gantry plates myself, if it has enough precision of course.
     
  4. Anthony Bolgar

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    The issue is the plates that connect to the rails, the wider the plate, the more stable it will be. Cbeam would help, but not sure if that is enough.
     
  5. Anthony Bolgar

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    A good rule of thumb is that for every 2" in height you would want at least 1" in width for the connecting plate. But the wider the better.
     
  6. JerryD

    JerryD New
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    I See - with that math I would need a plate thats ~9.5" wide (500mm = roughly 19 inches /2 > 9.5) without accounting for whats lost on the gantry plate and thickness of the C-Beam.

    At that point I should just go with something like this right? (picture attached)
     

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  7. Anthony Bolgar

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    Thats the idea
     

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