Thanks! the drives are what is limiting.. They are 20a continuous and 40a peak. The servos are pretty close to an amp per ft-lb. with a 2:1 belt drive - that gives us 80ft-lb peak at the screws. That is pretty close to what the old hydraulic servos.
sam On 12/11/2010 08:38 PM, Jon Elson wrote: > sam sokolik wrote: >> had some time to do some tuning. Getting there - I am pretty new to it. >> >> http://www.electronicsam.com/images/KandT/conversion/testing/tuning.png >> >> That is a .1 move at about 25ipm - the peak at the begining and end are >> the acc/decel. it peaks at .00017. It is a bit better than that - I >> had to retune a little after I turned up the current limit on all the >> amps to maximum. :) I have the ferror set to .001 right now and did a >> bit of machining with no issues. >> > Getting there? I think you ARE there! peak error below 2 tenths sounds > very good to me. >> sam >> >> ps - that should give us about 16000lbs peak and 8000lbs of force >> continuous. :) >> > Yikes, those must be some BIG servos! You want to be awfully careful > about crashing a machine > that can deliver that much linear force to things. > > Jon > > ------------------------------------------------------------------------------ > Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, > new data types, scalar functions, improved concurrency, built-in packages, > OCI, SQL*Plus, data movement tools, best practices and more. > http://p.sf.net/sfu/oracle-sfdev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more. http://p.sf.net/sfu/oracle-sfdev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users