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Try this previous CNCzone link Question for you servo experts
Al
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I have this Electro-Craft(Reliance) E642 PM DC motor and can't find a shred of information regarding its specifications. If no one can identify this motor, then how can I determine its :
voltage ?
rpm ?
continuous amps ?
torque?
directing to a source for just this purpose would be of help.
I'm guessing here, but the resistance on the armature windings would be a start?
Maybe trial and error method...checking constantly for heat buildup as voltage is increased? Will be using this with a Gecko 320 drive, so the amps would be drawn only as needed?
Last edited by Bloy2004; 07-03-2004 at 08:50 AM.
Try this previous CNCzone link Question for you servo experts
Al
CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.
From the Catalogue E0642
Continuous stall torque 94 oz-in
Peak Torque 480 oz-in
max voltage 60v
max speed 4800 rpm
armature moment on inertia .0192 oz-in-sec sqaured
torque constant Kt 11.84 oz-in/amp
Voltage constant Ke 8.7 v/krpm
armature inductance 0.5 mH
Maximum friction torque 0.5 lb-in
CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.
Hey Al...
You're the Man!!
Thanks much!
John
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