On Thursday 27 June 2013 14:59:37 Charles Buckley did opine: > Well, on January 28th, 2014 the next generation of stereolithography > patents expire. That will increase the resolution a ridiculous amount. Interesting, until some troll crawls out of the swamp. Are there any other gotchas that will fall through to, to bite the unwary?
> Linuxcnc is a much more adaptable baseline for any of these machines. I > would expect to see a lot of UI changes and movement with it. > > On Thu, Jun 27, 2013 at 10:49 AM, Bari <bari00...@gmail.com> wrote: > > I agree with you. When the GGG (Glorified Glue Gun) fad started a few > > years ago many of the maker folk looked at Linuxcnc since it had been > > used to control multi-axis machines for over a decade. Some of them > > felt that it was too complicated and expensive to control their GGG > > made mostly of threaded rods, nuts and low resolution PLA printed > > parts. They then decided to just use an Arduino and make some custom > > IO stepper boards to control the 3-axis Cartesian stage and glue > > gun/extrude and write all the software from scratch. The printers > > still needed a PC for the user interface, but I guess you weren't > > supposed to notice that. > > > > Later they decided to move from Arduino to all-in-one 120MHhz ARM > > cortex M3/4 boards and write all new libraries for the new > > architecture. The new all-in-one boards sell for $120-200 and combine > > the micro with stepper drivers, GPIO and mosfet outputs. A PC is > > still required for the UI but they can run stand alone with the > > G-code stored on an SD-Card. > > > > Now TI has released a $45 BeagleBone Black with a 1GHz ARM Cortex A8 > > that can host the machine control and suddenly there is interest in > > Linuxcnc again. The UI can be directly off the GPU or over he network. > > The Beaglebone Black still needs some expansion IO to drive the > > steppers and extruder but the BOM is <$30. > > > > The GGG's only use one or two nozzles to deposit material so the > > process is very slow and they have difficulty with producing features > > under 200um. It's become popular since the original patents expired a > > few years ago and you can build your own printer for only a few > > hundred dollars. > > > > The reasons I have heard from the "maker guys" for not aspiring to > > other additive manufacturing technologies have been the complexity > > and the high costs involved for DIY. There are a few DIY projects > > that use SLA with DLP (B9) or laser (SLAMPS) but they have chosen > > slow methods mostly due to the problems with "It's the patents > > stupid!" or just ignorance of the technology and SLS, Inkjet and > > micronozzle DIY is practically non-existent. > > > > On 06/27/2013 10:29 AM, Dave wrote: > > > I have been randomly watching the 3D printer efforts from the > > > sidelines and for the most part I have not been impressed at all. > > > > > > I think you are right ... they are way, way behind. To many, it > > > seems that reinventing the wheel is how they learn but at the > > > expense of making any meaningful > > > progress. > > > > > > >>Loading an SD card works because it > > > > > > is pretty bullet-proof and easy to manage as is just pressing a > > > button.<< > > > > > > I guess that is fine if you want to duplicate a design that someone > > > else > > > > has already worked out on a "standard" printer. > > > > > However I would hope that some of the "maker guys" would have more > > > > ambitious aspirations! :-) > > > > > Dave Cole > > > > ---------------------------------------------------------------------- > > -------- This SF.net email is sponsored by Windows: > > > > Build for Windows Store. > > > > http://p.sf.net/sfu/windows-dev2dev > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------ > ------ This SF.net email is sponsored by Windows: > > Build for Windows Store. > > http://p.sf.net/sfu/windows-dev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! My views <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml> Your KVM powered virtual machines will do IOs up to seven times faster if you enable virtio. http://tinyurl.com/virtio A pen in the hand of this president is far more dangerous than 200 million guns in the hands of law-abiding citizens. ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
