H2 BX Advanced Cooling duct

Designed this new duct because i converted my Biqu BX cartesian printer into a Core XY Voron like printer and because of the new speeds that i can achieve , after testing many ducts on the internet i could not find a suitable one that would not resonate during high speed movements. Also there are a few other advantages to this duct.

I put the F3d model so you can edit the model as you want. Maybe you dont want to use heat inserts, then adjust all the holes to 2.8mm.

Main features of the ducts are:

• Low profile, close to the body of the extruder , helping with resonances
• 4 Mounting points wich makes this system very rigid
• Blower fan is inverted to take heat away from the stepper motor and helps preven heat creep better, especially in a heated chamber
• ADXL345 mount build in
• Highly focused airflow directly on the print
• The exit mouth is further away from the heatblock compared to other solutions, preventing the duct from melting
• 35to 40mm fan adapter for the Extruder cooler to achieve better heat creep capability or use noctua silent fans.
• use of 5015 blower fan for the part cooling fan

Required hardware:

10x M3 X 8 hex head

2x M3 x 18 hex head - For the fan mount

1x M3 X 5mm hex head - for the second accelerometer screw

7x M3 X4.2 X3 Heat Insert

3X M3 hex head ( chose your lenght of screw depending on what type of cooler you use)

How to print:

I printed mine from ABS at 120mm/s but print this at your best quality speed

Use paint on suports if using Prusa or Super slicer and check the orientations and locations in the attached picture.

Print Settings

Rafts:

No

Supports:

Category: 3D Printer Parts