On Jun 11, 2012, at 11:38 AM, Ed Nisley wrote: > On Sun, 2012-06-10 at 18:09 -0600, Jeshua Lacock wrote: >> try the MakerBot extruder controller > > My experiences with that thing may save you some heartache & confusion: > > http://softsolder.com/2011/01/06/thing-o-matic-extruder-controller-power-supply-improvement/ > > http://softsolder.com/2011/01/07/thing-o-matic-extruder-controller-mosfet-supplies/ > > > The MK7 extruder uses a cartridge heater, but I still recommend > electrically isolating the thermocouple from the block, as their method > of securing the bead to the hot end leaves a bit to be desired. > > http://softsolder.com/2011/02/06/thing-o-matic-mk5-extruder-protecting-the-thermocouple/ > > http://softsolder.com/2012/01/07/thing-o-matic-improved-ec-thermistor-connector-orientation/ >
Hi Ed, Wow, thanks for the great info! > It is a rather expensive & complex board, given that you'll be using > only one thermocouple readout and two MOSFET drivers. I do like the fact that it supports two extruders and a heated print bed. > It's not obvious > that the RS485 interface is as simple as it appears, either, because a > common failure seems to involve the Motherboard losing contact with the > Extruder Controller. Hmm, the doesn't sound good! But it sounds like the 2nd link you provided fixes that issue? Cheers, Jeshua Lacock Founder/Engineer 3DTOPO Incorporated <http://3DTOPO.com> Phone: 208.462.4171 ------------------------------------------------------------------------------ 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
