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Post by barker on Sept 2, 2016 20:33:28 GMT
Hi, The washers you were asking about are called shim washers or shoulder shortening shim washers.. Used for adjusting misalignment on machinery they can be ordered in various thicknesses.. sometimes you can find the right size on ebay.. I foresee building a 3d2. I would like to extend the z axis and machine a one piece base as I have lot of surfaced hard anodized aluminum plate I salvaged.. Last question is will the motors be able to handle the weight of a carriage with 12" of travel?.. I have pondered building a 12"x12"x24" printer. Base and top would be 1/2" aluminum plate. Z would be 1"x 6" aluminum plate. 2" 20/20 for the uprights... Just a lot of talk at the moment...
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Post by 3DprintedLife on Sept 6, 2016 3:45:09 GMT
I actually found a solution that just doesn't apply the pressure of the bolt head directly to the idler, but rather to a center aluminum tube. This allows the idler to spin freely! As far as building a large scale printer with this frame, I think that the CoreXY gantry would work just fine at that scale assuming you are able to machine it somehow yourself. Nema17 motors may not be enough at this point though, upgrading to Nema23's may be necessary if you want to achieve the same print speeds. I think Nema17's will work fine running at 75% the top speed and accelerations of the standard Eclips3D2 though. You would definitely want dual screw drive for the Z axis though. A 12" square bed is way too big to keep cantilevered!
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