On Wed, 2009-04-08 at 11:36 -0500, Jon Elson wrote: ... snip > http://pico-systems.com/japservo.html > I don't know the rated power output of this motor, but it is WAY below > 200 W, maybe more like 50 W. > You won't get ito too much trouble with a slightly larger motor, but > 200-300 W (continuous) motors will move a Bridgeport quite nicely.
My Bridgeport motors are supposed to be rated somewhere around 1600 Watts. They are treadmill , so who knows how they are really rated. I should build a dynamometer and get some real(?) numbers. > This motor (I think, never tried it) might be marginal for the Z axis, > due to the head weight. I put in an 8 TPI ballscrew where the rack used > to go, and also use a 4:1 belt reduction there. However, I have a motor > that looked "beefier" but I have absolutely no idea what the specs are > on it. > I can say this one works fine, but that doesn't give you any data. > > Pics are at http://pico-systems.com/minimill.html > > Jon So far, Japan Servo ?A x 24V = ?Watts 58 oz.-in. / 141.6 = .410 Nm @ 2700 (my assumption) 176 oz.-in. / 141.6 = 1.24 Nm @ Stall (my assumption) IMService 1.75A x 30V = 52.5 Watts 20 oz.-in. / 141.6 = .141 Nm @ 2800 RPM 170 oz.-in. / 141.6 = 1.20 Nm @ Stall Thanks Jon. ----------- Kirk http://www.wallacecompany.com/machine_shop/ ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
