I hear you, but I've already got the Parker drives, they are at least as bullet proof, and they're free in my case.
I'd rather not drop an extra $420 for the 203v drives. N. Christopher Perry On Aug 30, 2012, at 10:17, John Murphy <j...@wyosip.com> wrote: > I'll second the 203V for a Boss upgrade. Quick and easy. > > On Thu, Aug 30, 2012 at 7:33 AM, Matthew Herd <herd.m...@gmail.com> wrote: >>> I've got an old CNC Bridgeport Vertical Mill I'm looking to upgrade. I'm >>> fairly sure it is a BOSS 5. It does have stepper motors on in, but haven't >>> had a chance to check whether they are Superiors or Sigmas motors yet. >>> Except for the motors, it looks exactly like this: >>> http://img.photobucket.com/albums/v12/rockrat/new/DSC01640.jpg >> >> As an aside, I'm reasonably sure it's a BOSS 3 because your 7 segment >> display has too few digits. A BOSS 4/5/6 has a 3 digit display and a 5 >> digit display, whereas I can see from the picture, you only have a 5 digit >> display. See http://www.centroidcnc.com/bridgeport_boss.htm for a picture >> of a BOSS 5 pendant with the larger display. I think the heatsinks on the >> steppers also tell you that it's a 3, but I don't know that for certain. >> >> >>> >>> Anyway, I've got some Parker OEM650 stepper drives on hand and would like >>> to use those for my retrofit, but they will only accommodate phase >>> inductances of 1 - 10 mH. Does anyone know what the inductances are for >>> the Superiors and Sigmas? >> >> I can't answer this one with certainty, but the G203V tolerates 1-50 mH and >> it works well with the steppers on my BOSS. >> ------------------------------------------------------------------------------ >> Live Security Virtual Conference >> Exclusive live event will cover all the ways today's security and >> threat landscape has changed and how IT managers can respond. Discussions >> will include endpoint security, mobile security and the latest in malware >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
