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Re: Cast iron table flatness issue #k700s


 

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Why deal with dips in the cast iron surface from the weight of trunion assemblies when one can just operate their machine in outer space where there is zero gravity? Benefit of this is unlimited infeed and outfeed space so theoretically one can run 1000¡¯ material with no problem. Although I imagine at that length the machine might just ride itself along the length of the board. Kind of like those videos of people planing beams with lunchbox planers.?
Food for thought.?

On Feb 26, 2023, at 8:53 PM, David P. Best <dbestworkshop@...> wrote:

?

Once more: the dip is due to the force applied by the hanging trunion mass.? If there's an excessive dip, the cantilever arm and jack screw isn't adjusted properly.

^^^^ What he said. ?This is truth.


You could also get rid of the dip by mounting the machine on the ceiling.

I turn my machine on alternate sides at night. ??


David Best
DBestWorkshop@...
https://www.flickr.com/photos/davidpbest/collections/
https://www.youtube.com/@David_Best

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