Foundation for a 4020


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Thread: Foundation for a 4020

  1. #1
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    Default Foundation for a 4020

    Got a 4020HT with extended Z axis that I had to raise the roof to allow it to fit in the shop. Putting it on a 4 in slab, which I already know, might not be the best idea. Was considering a steel plate under the VMC when installed as a little insurance. Initially planning on 1/2 inch, but will probably go 5/8. Slab is not perfectly level, but in good shape. Manual says leveling pads are 52.5" by 28" so was thinking a 3x5 (60" x 36") plate would be appropriate, unless I am missing something. Was thinking about some rustoleum from the can on the underside and some epoxy to stick it to the floor prior to placing the machine. I know steel plate over concrete is not ideal, but was not sure of any other solutions. So, my questions would be 1) is a steel plate under the VMC a good idea? any better ideas? 2) if steel plate 1/2 in or 5/8? 3) any ideas on the treatment of the plate before placing it on the concrete (paint, epoxy bonding etc). Thanks in advance.

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  2. #2
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    Default Re: Foundation for a 4020

    Maybe just 4 12 inch square pads steel pads (One for each leveling leg)?



  3. #3

    Default Re: Foundation for a 4020

    Fadal does not require any special foundation. The original leveling pads that fadal use to supply with the machines were just 3x3 1/2 steel plates with a Spot face to keep it under the leveling screws (that was along time ago). Now a days they were supplying these Cast Iron 3 or 4 inch dia,molded pads. So you could just grab some 5/8 or 3/4 inch thick steel 3 x 3 or whatever , .100 deep counterbore to keep the pad under the leveling bolt, and your good to go



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Foundation for a 4020

Foundation for a 4020