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Thinking about trying to build an epoxy granite CNC mill.

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BillTodd:
A small envelope router/mill would do most of my own cnc jobs. ATM i have a  Taiwanese bridgeport copy with two axis cnc augmentation (SWI prototrak edge) that is so  frustratingly close to all I'd ever need that I'm seriously thinking about adding the third z axis on the back of the mill. (which reminds me about chase up JS's motor-spindle conversion)

Another thought:
if you fabricate in steel, it might be worth packing with filler to add mass and damp vibrations. Consider using used garnet from a waterjet; the stuff will be free from any waterjetter and is amazingly dence (far heavier than sand) - it would need drying and probably binding with a polymer glue

PK:
:-) I guess you have to find your own balance between 'I just want a cnc machine the easiest/cheapest/fastest way' and 'there's a whole bunch of things I'd really like to experiment with building a cnc machine from scratch'....
Any way is good so long as it's a path you've actually chosen to go down...

I confess I've been tempted to add some epoxy concrete to the head of my 'modified beyond recognition' X3....
PK

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