Anycubic Kobra Go
Printhead / Part-Cooler & Fan-Ducts
May fit other Makes / Models
Revision 1
By: David Orlo
Part Details
- This was one of the first upgrades I designed and finalized for the Printer. Soon after completing this model, I decided to put more time into learning MeshMixer and made some revisions, namely a much more minimalistic, organic, fluid design. This design is still very functional and offers a different fan combination / setup over the later revisions.
- 60mm Center Radial Fan: Heatbreak Cooler
- Dual 4020 Blower Fans: Two Independent Printhead Ducts
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Print Recommendations
- Layer Height: .2
- Infill: 90% +
- Material: PETG / ABS / ASA / PLA +
- Supports: Take the time to manually place supports to avoid any supports within the ductwork.
- Brim: Highly recommended
- Expectations: If your support settings are dialed in, it should work fine, but if you're using the stock setup, I suggest printing this twice.
- The second print with the new duct will likely turn out much nicer, which is the whole point anyway, right.
Setup Recommendations
- The 60mm fan should run at 100% anytime voltage is applied to the hot end or anytime the printer is powered on—unless you enjoy clearing jams, of course.
- I recommend keeping the blower fans synchronized and controlling them together.
Radial Fan Important Note
- I've noticed radial fans have a tendency to stall during rapid side to side and sometimes even front to back motion.
- Manufacturer and bearing type can have some effect on this.
Blower Fan Series Wiring Instructions
For a 12V printer, you could wire two 5V fans in series, but some fans may not appreciate the extra voltage at full power. A 24V printer could run two 12V fans in series.
- Series Wiring:
- Connect positive from Fan A to the printer mainboard.
- Connect negative from Fan B to the printer mainboard.
- Connect the remaining Fan A negative and Fan B positive fan wires together.
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