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Rostock, Kossel, Simpson, 3DR, and more. See: http://reprap.org/wiki/Category:Delta. Previously named "Delta Robots and Stewart Platform"
Re: What model is the current champ for dual extrusion? - 10 years ago
May not be the highest resolution I have ever seen, but that is a VERY nice print and a beautifully simple solution! I will definitely look into that one! I was looking at maybe a completely customer CoreXY as I think that would be fairly easy to built but..by BloodBlight - General
Re: 1.75 ABS filament not lasting long until it goes bad - 10 years ago
I have PLA from well over a year ago, no problems at all. I keep it in a very large box using Dri-Z-Air: Much cheaper than using desiccant packs and work VERY well. The humidity in my storage is usually around 25%.by BloodBlight - General
What model is the current champ for dual extrusion? - 10 years ago
I currently have an Ultimaker V1 but was thinking about building a second printer. What does the community think is the best quality dual extruder (or triple) RepRap. I don't care about speed, but being able to do 0.1 or lower with minimal (or no) oozing is my priority. Is there a particular hot end that would be best for this? I already have a bunch of 3mm filament, so if I can use that it wby BloodBlight - General
Re: New arm design for Simpson style printer. - 11 years ago
Sorry, I am not a CAD guy, so this is primitive. Here is a Sketchup file.by BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
Ok, I see, you can't move the pivot points.by BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
Per arm or the whole design? Hmmm, I don't see why this can't be a direct drive. Is it a clearance issue with the other arms? As the gear gets smaller, the movements from the motor get smaller and should increase accuracy. However I am assuming you mean this is countered because of the geometry of the four points change (having a hard time picturing it). That could also be adjusted for by moby BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
How many bearings are in your design?by BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
Hmmm... I will think about part count. Ether using loner gears and a clip at the end (one printed part and a screw is all it would be) would be easy, but I think a I can come up with an easy and low part count way to use springs (let me sit on it for a while). My biggest concern would be the hinging point with a metal gear. I have to think about that as well. In addition, it may be better toby BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
One other note. The arms still need to be geared together as they are in this design: So there would also be some play in those gears (so potential backlash from that).by BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
Shawn.Walker Wrote: ------------------------------------------------------- > @BloodBlight: so, a completely gear-driven design? > That could add rigidity/stability, sure. Why do > you feel it would be "backlash free"? I would > think switching from belts/lines to gears would > tend to increase backlash. Well, I am no engineer, so I could be totally wrong on this. But my underby BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
Guizmo Wrote: ------------------------------------------------------- > BloodBlight Wrote: > -------------------------------------------------- > ----- > > I posted this on the other thread, but I thought > I > > would put it here as well: > > > > I changed my mind about a dozen times, but here > is > > my addition to the project: > > > >by BloodBlight - Delta Machines
Re: New arm design for Simpson style printer. - 11 years ago
I posted this on the other thread, but I thought I would put it here as well: I changed my mind about a dozen times, but here is my addition to the project: No belts or cables and no odd shaped gears. And this can be simplified even more. You can remove the need for the springs by adding a stopped to the end of the rack gears and then putting them in a sleeve past the arm. This means the gby BloodBlight - Delta Machines
Re: Grounded Experimental Delta Printer - 11 years ago
So this can be simplified even more. You can remove the need for the springs by adding a stopped to the end of the rack gears and then putting them in a sleeve past the arm. This means the gears would need to be longer (this could be an issue as I think about 280MMs will be the limit), and a very simple bearing could be used.by BloodBlight - Delta Machines
Re: Grounded Experimental Delta Printer - 11 years ago
I changed my mind about a dozen times, but here is my addition to the project: No belts or cables and no odd shaped gears.by BloodBlight - Delta Machines