John Kasunich <[EMAIL PROTECTED]> wrote: > If you limit the speed to 1200 RPM, you will be handicapping the > motor. The power that a motor delivers is the product of speed > and torque. If you cut the top speed from 7847 to 1200 RPM, you > can only get 15.3% of the motor's rated power out of it. That's > pretty bad. > > A configuration that lets the motor spin to full speed (either a > lower PPR encoder, or hardware to count the pulses) will let you > get full power out if it. That might mean using toothed belts or > gears to reduce the shaft speed to match your screw, but when you > reduce the speed that way, you gain torque. If you reduce speed > electrically, you do NOT gain any torque.
Thanks for that insight, this is all new to me. Anyone know when the MesaNet parallel port FPGA card is coming out? :-) -- Sebastian Kuzminsky ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
