Thread: Warco Major CNC build log
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14-04-2009 #11
Last Activity: 2 Days Ago
I have just sent the picture for the Z axis screw machining to Gary and ordered a girt lump of aluminium.
The spindle doesn't like running at 5000 rpm which is top whack, 2500 rpm of the pulleys and 100Hz from the inverter, the bearings run hot. I would actually like twice that so I can run tiny ball end mills.
The plan is a false spindle set inside a 3MT soft end arbor and a lay shaft with two timing belts. That way the false spindle with it's ER11 collet can turn at 9 times the main spindle speed.
Give me something to do while I wait for the Z screw
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