2 axis moving! http://www.youtube.com/watch?v=QU_O_Z7Vv8c
sam On 8/26/2010 4:38 PM, [email protected] wrote: > Well - I fail at copy and paste... > > this should work better. > > I thought I would give an update on our ongoing project. > > This is a 60's vintage NC that used hydraulic servos. we are converting it > to EMC2 using not quite as old Inland servos. (80's vintage) they are 8 brush > low rpm high torque. (with the amc drives we are using - it will be 40ft-lbs > peak.) We are using 2 mesa 5i20 boards as we are needing a good 70+ i/o + > atleast 7 encoder counters and 5 +/-10v outputs. We are at the point where > the machine is waking up. the mesa hardware is awesome (thank to peter and > seb for their work). > > Be sure to watch the 2 videos at the end of this email. > > lets see if I can create a linear picture show... > this is what the machine looked like in the 60s > http://electronicsam.com/images/KandT/oldkandt.JPG > > this is what the machine looks like now > http://electronicsam.com/images/KandT/DSCCurrent.JPG > > getting rid of the old control > http://www.electronicsam.com/images/control.jpg > > this is the old electrical box > http://electronicsam.com/images/KandT/conversion/mainelectricalbox.JPG > > we welded 2 of the same boxes together for new electronics. > http://electronicsam.com/images/KandT/conversion/moreelec.jpg > > here is it mostly hooked up > http://electronicsam.com/images/KandT/conversion/mostio.JPG > > This is the x,z,b gearbox - the old control used 1 hydraulic servo to run all > 3 axis > http://electronicsam.com/images/KandT/conversion/xaxis/start.JPG > > open > http://electronicsam.com/images/KandT/conversion/xaxis/start.JPG > > stripped > http://electronicsam.com/images/KandT/conversion/xaxis/stripped.JPG > > shafts extended out so we can hook the servos up. > http://electronicsam.com/images/KandT/conversion/xaxis/3shafts.JPG > > servo plate mounted > http://electronicsam.com/images/KandT/conversion/servo/x-zservo_mount.jpg > > belts (B axis still needs a solution) > http://electronicsam.com/images/KandT/conversion/servo/belts.jpeg > > Because we are still using the z axis drive train that goes up though the > saddle - we needed to get the backlash out of it. It uses split gears to do > that. Grinding 1 washer thinner takes the backlash out of 5 sets of gears. > the washer is the spacer between the 2 lower small gears. > http://electronicsam.com/images/KandT/conversion/zaxis/gears.JPG > > we still have to mount the y axis servo. - The plan is to direct couple into > this shaft. > http://electronicsam.com/images/KandT/conversion/yaxis/yaxisshaft.JPG > > here is the tool chain logic working... > http://www.youtube.com/watch?v=4nuRea6615s > > here is the first closed loop movement with the x axis > http://www.youtube.com/watch?v=FgOqEz5Tk-Y > > Getting there :) Very happy with the progress. (I only work on it about > once a week.) > > sam > > > On Thu, 26 Aug 2010 16:27:29 -0500 > <[email protected]> wrote: >> I thought I would give an update on our ongoing project. >> >> This is a 60's vintage NC that used hydraulic servos. we are converting it >> to EMC2 using not quite as old Inland servos. (80's vintage) they are 8 >> brush low rpm high torque. (with the amc drives we are using - it will be >> 40ft-lbs peak.) We are using 2 mesa 5i20 boards as we are needing a good >> 70+ i/o + atleast 7 encoder counters and 5 +/-10v outputs. We are at the >> point where the machine is waking up. the mesa hardware is awesome (thank >> to peter and seb for their work). >> >> Be sure to watch the 2 videos at the end of this email. >> >> lets see if I can create a linear picture show... >> this is what the machine looked like in the 60s >> http://electronicsam.com/images/KandT/oldkandt.JPG >> >> this is what the machine looks like now >> http://electronicsam.com/images/KandT/DSCCurrent.JPG >> >> getting rid of the old control >> http://www.electronicsam.com/images/control.jpg >> >> this is the old electrical box >> http://electronicsam.com/images/Kand...ctricalbox.JPG >> >> we welded 2 of the same boxes together for new electronics. >> http://electronicsam.com/images/Kand...n/moreelec.jpg >> >> here is it mostly hooked up >> http://electronicsam.com/images/Kand...ion/mostio.JPG >> >> This is the x,z,b gearbox - the old control used 1 hydraulic servo to run >> all 3 axis >> http://electronicsam.com/images/Kand...axis/start.JPG >> >> open >> http://electronicsam.com/images/Kand...axis/start.JPG >> >> stripped >> http://electronicsam.com/images/Kand...s/stripped.JPG >> >> shafts extended out so we can hook the servos up. >> http://electronicsam.com/images/Kand...is/3shafts.JPG >> >> servo plate mounted >> http://electronicsam.com/images/Kand...ervo_mount.jpg >> >> belts (B axis still needs a solution) >> http://electronicsam.com/images/Kand...rvo/belts.jpeg >> >> Because we are still using the z axis drive train that goes up though the >> saddle - we needed to get the backlash out of it. It uses split gears to do >> that. Grinding 1 washer thinner takes the backlash out of 5 sets of gears. >> Don't think the previous owner ever did this as we had to take a good .040" >> off the washer. The washer is the spacer between the 2 lower small gears. >> http://electronicsam.com/images/Kand...axis/gears.JPG >> >> we still have to mount the y axis servo. - The plan is to direct couple into >> this shaft. >> http://electronicsam.com/images/Kand...yaxisshaft.JPG >> >> here is the tool chain logic working... >> YouTube - Kearney and Trecker tool chain logic working in EMC2. Mechanically >> barcoded tools >> >> here is the first closed loop movement with the x axis >> YouTube - Kearney and Trecker first closed loop movement with EMC2. >> >> Getting there Very happy with the progress. (I only work on it about once a >> week. >> >> sam >> >> ------------------------------------------------------------------------------ >> Sell apps to millions through the Intel(R) Atom(Tm) Developer Program >> Be part of this innovative community and reach millions of netbook users >> worldwide. Take advantage of special opportunities to increase revenue and >> speed time-to-market. Join now, and jumpstart your future. >> http://p.sf.net/sfu/intel-atom-d2d >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ > Sell apps to millions through the Intel(R) Atom(Tm) Developer Program > Be part of this innovative community and reach millions of netbook users > worldwide. Take advantage of special opportunities to increase revenue and > speed time-to-market. Join now, and jumpstart your future. > http://p.sf.net/sfu/intel-atom-d2d > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ This SF.net Dev2Dev email is sponsored by: Show off your parallel programming skills. Enter the Intel(R) Threading Challenge 2010. http://p.sf.net/sfu/intel-thread-sfd _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
