蜘蛛热散V1风扇罩

Spider Hotend V1 Fan Shroud

2023-09-08 17:34:57

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Summary

I needed a custom fan shroud for an assembly of upgrades. I wasn't able to find a suitable one from the plethora available here on Thingiverse, so I made my own. Here the details:

I accidentally snipped one of my wires on my Voxelab Aquila X2 while updating some cable management and thought, screw it, I'll just upgrade the entire thing - It's due for an update. I gutted and reassembled my printer with the Creality 4.2.7 Mobo and a dual z-axis kit, along with a new filament sensor, new screen, PEI plate, the works.

While installing the other crucial components (listed below) I noticed the Spider Hotend V1 was significantly longer than the stock one provided with every Ender 3 / Voxelab Aquila. I attempted to print 2-3 satsana Spider Hotend V1 shrouds found on thingiverse and continued to run into the same problem: all satsanas would fit onto extruder bracket, but either the nozzle or the CR touch sat too low.

This would cause 2 things to happen (which you can probably guess): Either the CR touch probe would scrape against the new PEI plate because the nozzle would be too high, or the probe would never reach the plate while homing, causing the nozzle to crash into my new plate (neither instances happened, just hypothesized). Some people had remixed versions that adapted for this oversight, but none were able to solve my issue. At that point I decided it would just be easier to design and print my own, and I'm here to share it with you :)

One note I'd like to add is that I've added a vent directly from the fan housing so that air pushes through the duct and cools the printed material like many other satsanas available. AKA a second fan is no longer needed. This means less power consumption, but now there isn't a second fan directly dedicated to this purpose.

Here are the upgrades I purchased:

Unitak3D Direct Drive Conversion Kit Upgrade
https://www.amazon.com/dp/B09KG8MMQ2?ref=ppx_yo2ov_dt_b_product_details&th=1
Creality CR Touch
https://store.creality.com/products/cr-touch-auto-leveling-sensor-kit
Creality Spider Hotend V1
https://www.amazon.com/Creality-Temperature-Heating-Extruder-Printers/dp/B09QZQXK9N/ref=sr_1_3?crid=HA3RAX2IVRM9&keywords=Spider+Hotend+V1&qid=1694153052&sprefix=spider+hotend+v1%2Caps%2C106&sr=8-3
Creality Metal Extruder Kit (Red)
https://store.creality.com/products/metal-extruder-kit-red
Noctua NF-A4x20 FLX 3-pin Quiet Fan
https://www.amazon.com/dp/B072JK9GX6?psc=1&ref=ppx_yo2ov_dt_b_product_details

Notes and Installation instructions are below if you've also purchased these upgrades.
Reach out if you have any questions or comments!

Print Settings

Printer brand:
Creality
Printer:
Ender-3 v2
Rafts:
No
Supports:
Yes
Resolution:
0.20
Infill:
15%
Filament brand:
Sunlu
Filament color:
Black, Any
Filament material:
PLA+
Notes:
- I'm not sure if this will work with the base Ender 3 V2's Hotend Bracket, I used UniTak3D's DD bracket.
- I've added 2 CR Touch mounts with differing tolerances depending on how tight you want it to fit in its slot (0.01" or 0.015" of clearance).
  - If you have this upgrade kit, other satsanas may create an interference with the DD bracket.
- I have no idea if this bracket will work with the V2 or V3 Spider Hotends.
- If you've also purchased these upgrades (mainly CR Touch and the V1 Hotend) here's some installation instructions:
  1. Install the DD stepper motor and extruder kit AFTER these steps. Also, it would be best to tap the holes first with your fasteners so that they're already threaded. The holes were made slightly smaller so that whatever fasteners are inserted shape the threads.).
  2. Put the hotend on and install the thermistior and heating element.
  3. Insert the CR Touch mount about halfway into its slot - enough that it won't cause interference with the upper lip of the DD conversion bracket.
  4. Attach the fan shroud to the bracket using the 2 mounting holes. I would use a M3x8mm fastener on the bottom mounting hole from the front, and use the same fastener for the top mounting hole, but install it from the back.
  5. Once the shroud is fastened and flush against the bracket, push the CR Touch mount all the way down. The top edge of the T-joint should be flush with the top of the shroud, or very close to it.
  6. Install the CR Touch with the M3x6mm fasteners into the holes on the bottom face of the mount (NOTE: there may be a very tight clearance with the fastener on the shroud's bottom mounting hole).
  7. Install the Noctua fan or any other 40mm fan that has mounts 32mm apart from each other. The holes are about 10mm deep I believe, but a M3x25mm fastener will do the trick.
  8. Install the stepper motor and Extruder Kit.
  9. Cable Management (as best as you can).