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Yes, 5mm threaded rods do wobble, but I don't think that will make a difference, the set points will remain aligned. I get my 5mm threaded SS from...
Do you know of any other ARM based processors for 3d printing? I haven't researched all the stuff out there, just the Azteeg. Actually I plan on...
Ah.:) I have way too many RAMPS boards laying around to not use them :(. And some of my Mega 2560 boards are the 16MHz R3 version while others...
Cost of parts will be around $400, give or take $20 depending on sourcing. The V Slot extrusions alone are $95. There looks to be 33 printed parts...
This design has evolved into a new project openbuilds.com/builds/printair-corexy.2718. There will be no further development of this design.
Keith Davis published a new build: A CoreXY/Bowden design with a belt driven Z axis. This is a box design without the front end of the box,...
This is a remake of what was a box design (openbuilds.com/builds/corexy-enclosed.1362). After seeing David Bassetti's fresh air design at...
I'm actually building the next iteration this next month. The Z axis needed a complete rework. But I still plan on using a belt for the Z axis. On...
+ Josh B There are three thresholds for speed. The first one is the frame. Old RepRap A frames, Prusa i3 Birch or Acrylics just can't deliver...
+Josh B Threaded rod always has only one start, therefore pitch and lead are the same. Acme threads can have multiple starts and lead (the...
+runningfarmer I use Prusa's method for a 1/6 step motor and Tr8*8-4 . One revolution moves 8mm. One revolution has 200 steps. (1.8 x 200 =...
I do not use acme screws for printers, in spite of the fact that they look really awesome. Consult Josef Prusa's...
Hi Josh. Solid looking design! As for the Z axis, I definitely vote for the single motor. I spent May and June testing various dual motor...
Hi Carlos, It's went through a major rebuild. I had vibration problems at 100+ mm/sec speeds and printing flex filament with .5mm nozzles. The...
Keith Davis published a new build: OneZ gets it's name from it's most unique feature - only one threaded rod and motor for the Z axis while...
Show me a printer or extruder manufacturer that claims boldly that they can print flexible filament with a bowden configuration at anything above...
I'm working on a similar "one arm" design with a 8x8 build area. I mounted a dial indicator to the back side of the x axis arm out to the right...
Huh, somehow I missed that there is a 20mm Gantry Plate. Cool! F625ZZs from Robotdigg take forever (the proverbial "slow boat from China"). I got...
VERY interesting Andrew! I think we'll all be curious to see the edits in Marlin. :) Very innovative use of the Core concept. You not only...
Tom - considering it's size, density, weight, rigidity and expand-ability to 4 extruders I'd go something like "Hercules", "Thor", "Zeus",...
