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Originally Posted by ToddTheFrog
Do you think upgrading to the 268 oz motors on acumotion.com would make it worth it for machining copper?
Todd
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No. The problem is the construction of the mill itself. The MaxNC15 is a much better option for a cheap desktop mill.
http://www.maxnc.com/ fixittt used to make batch's of the D-TEK Spiral on one before he gave up.
Still if you plan on anything resembling production save up and get a better mill. This one
http://www.flashcutcnc.com/html/mach_9000.html would be the minimal one I would get for even small batch's of copper blocks. I just about bought one a month ago but I didn't like the limited spindle speed of 3000RPM max. I would prefer a spindal speed of 10,000 at least for the smaller end mills. makes thing go ALOT faster.