Magnetic Adsorption Exhaust System—3D Printer Fume + Welding Fume Exhaust
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Description
Project Description:
- A multi-3D printer and soldering fume exhaust system, ideal for those with multiple 3D printers and frequent PCB soldering
- Active fan exhaust effectively prevents insufficient airflow from the printer's built-in fan, ensuring efficient extraction
This project is an exhaust aggregation system; the specific exhaust routing and soldering fume intake should be tailored to individual circumstances;
Remember to close windows when exhausting fumes. For sliding windows, use a sliding window exhaust baffle; for casement windows, close the window and utilize the air conditioning vent. If exhausting through an open casement window, it's more effective to fully open the window and use a fan on its highest setting to blow outwards
- I have three printers and a soldering station, hence the four-input, one-output design; modify as needed for different configurations
The Voron 2.4 exhaust component is under development; there are some dimensional issues. An updated version will be uploaded after testing
Please contact me immediately to report any errors. Thank you!!
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Important Notes:
Read all instructions carefully before proceeding
Requires some practical skills
Involves soldering with a soldering iron and using heat-set nuts; high-temperature hazard
Materials Required:
- Soldering iron and related tools are essential!!!!
- Exhaust system materials:
Material Name | Quantity | Notes |
6025 Fan | 5 | Purchase according to your needs; one per vent. Ensure fan screw holes are 3.5mm Confirm the specific voltage after reviewing the circuit diagram below |
Power Supply | 1 | Purchase according to fan voltage; Confirm the specific voltage after reviewing the circuit diagram below (I used a modified Huawei CSPS) |
DC Female Connector | 1 | Connects fan and power supply Varies depending on the power supply |
Wiring |
| Measure and purchase according to your needs; I used 18AWG and 20AWG silicone wire (leftovers from Voron 2.4) |
502 Glue | 1 | For securing magnets |
6mm*3mm Round Magnets | 80 | 6mm diameter, 3mm thickness It's advisable to purchase 100 for contingency; N52 grade recommended |
M3*4*5 Heat-Set Nuts | 40 | 8 per fan M3 thread, 4mm height, 5mm outer diameter—avoid errors |
M3*6 Pan Head Screws | 40 | 8 per fan |
PU Polyurethane Copper-Plated Steel Wire Hose 40mm diameter |
| Length depends on individual needs |
PVC Pipe (40mm diameter) | 1 meter | For routing from the air conditioning vent to outdoors; not required for outdoor venting (my air conditioning vent is not connected to an air conditioner) |
40mm PVC Elbow | 1 | For routing from the air conditioning vent to outdoors; not required for outdoor venting (my air conditioning vent is not connected to an air conditioner) |
Air Conditioning Vent Sealing Putty | 3 | For routing from the air conditioning vent to outdoors; not required for outdoor venting (my air conditioning vent is not connected to an air conditioner) |
For soldering fume extraction, consider this design: https://makerworld.com.cn/zh/models/882126-bao-feng-xi-ru-pai-qi-mo-zu-gao-ya-chou-qi-mian-lu
I've added PWM speed control to this design
Circuit Diagrams:
Option 1:
Option 2:
Option 2 is recommended
Option 1 involves mixed parallel and series connections, making it difficult to find suitable fans. Extensive calculations are needed to achieve the desired speed.
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I used a modified Huawei CSPS power supply for power, with an XT30 connector. This differs slightly from the components listed above and is for reference only.
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Assembly instructions are in the attached document. Bambu's page text editing is truly… (*expletive*)
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