On 09/04/2013 06:25 PM, Gregg Eshelman wrote: ... snip > That's why I'm concerned about the peak torque. The mill has a 10x50" > table which is a large hunk of iron to push around and I don't want > to end up with a real slowpoke of a machine. Ideally I'd like to have > it performing quite a bit better.
... snip Speed comes from voltage, torque from current. In my opinion, I would not consider anything less than 90 volts at 10 amps, or 900 Watts, or 1.5 HP. Similar to: http://www.wallacecompany.com/machine_shop/bridgeport/00047-1a.jpg This is a 90V treadmill motor run by a Pico PWM input amp. If I were starting a new project I would consider a brushless DC motor, maybe with a Pico brushless amp: http://pico-systems.com/acservo.html -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/ ------------------------------------------------------------------------------ Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! Discover the easy way to master current and previous Microsoft technologies and advance your career. Get an incredible 1,500+ hours of step-by-step tutorial videos with LearnDevNow. Subscribe today and save! http://pubads.g.doubleclick.net/gampad/clk?id=58041391&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
