It's a timing belt drive, would that be close to a rack and pinion? JT
On 9/9/2015 11:58 PM, Milosz K. wrote: > John, > > Assuming this is a rack & pinion type configuration: > > angular v (w) = linear vel * pulley radius (R) > angular accel (alpha) = linear accel * R > Jreflected = (gantry mass + motor mass) * R^2 > inertia total (Jt) = Jmotor + Jreflected > Torque reflected (Trl) = (Ffriction * R)/efficiency (n) > Torque peak(Tp) = Trl + ((Jt*alpha)/n) > P = Tp*w > > > > > > > > 2015-09-09 14:12 GMT-04:00 John Thornton <[email protected]>: > >> Thanks for all the info, now to chew on this a bit. >> >> JT >> >> On 9/9/2015 5:53 AM, John Thornton wrote: >>> I need to calculate the power needed to move a gantry. I assume that >>> mass and velocity and acceleration are the key factors. Knowing those >>> how do you figure out the watts needed. This is not a milling machine so >>> no cutting forces need to be taken into effect. I'll be moving the >>> gantry with timing belts. >>> >>> Thanks >>> JT >>> >>> >> ------------------------------------------------------------------------------ >>> Monitor Your Dynamic Infrastructure at Any Scale With Datadog! >>> Get real-time metrics from all of your servers, apps and tools >>> in one place. >>> SourceForge users - Click here to start your Free Trial of Datadog now! >>> http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 >>> _______________________________________________ >>> Emc-users mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> ------------------------------------------------------------------------------ >> Monitor Your Dynamic Infrastructure at Any Scale With Datadog! >> Get real-time metrics from all of your servers, apps and tools >> in one place. >> SourceForge users - Click here to start your Free Trial of Datadog now! >> http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > Monitor Your Dynamic Infrastructure at Any Scale With Datadog! > Get real-time metrics from all of your servers, apps and tools > in one place. > SourceForge users - Click here to start your Free Trial of Datadog now! > http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
