Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
Tinybot Extruder V2
by LoialOtter, published
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This is the second version of Tinybot's extruder. It's incomplete as it's supposed to have a piece that clamps over the hot end to keep it in place. I've simply hacked it together for now.
Just to note right away, the screws I printed for were not the ones I ended up using due to strength problems. I drilled them out for use (including drilling out the mounting holes in the motor).
The stepper is a special one for the Dito printers on Tinkerines.com; it doesn't look like they have it available online but I was able to pick one up in person.
The pattern on the back side is to increase adhesion to the table. The method has worked very well so far.
The mounting is a special quick-release for Tiny, my oversized printer. Details and updates on it can be found at https://ottersoft.ca/blog/
Note - Though this will work, it is incomplete. I will update as I design the other components to it.
Also note - I've tested this and it's able to print to 150mm/s on perimeters with very little vibration. About 300mm/s infill is the maximum before the hot-end starts cooling too much though this was partly due to cooling fan required for such a high speed print.
- Geared Stepper (http://www.tinkerines.com/ - See Notes)
- 625Z Bearing
- S78ESYM095150025 spring from SDP-SI (https://sdp-si.com/eStore/PartDetail.asp?Opener=Group&PartID=16988&GroupID=386)
- Odds and ends screws
Print parts (one of each) and drill out holes to match the fasteners you're going to use.
Run spring between the fastener on the motor to a screw on one of the holes on top (they're originally designed for a bowden tube but I'm not fitting that yet and don't have the bottom section designed)
Tinybot Extruder V2 by LoialOtter is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- You must distribute Remixes under the same license as the original.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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