3d Printed Solder Fume Extractor(120 Mm Fan)

hey, my name is Adam i am a junior in high school and i was assignment an individual project so i came with the idea of a solder fume extractor so i will go over the features and how to make it and how it works. the printing order does not really matter but time wise i would do it in the order the files are placed. 1, 2, 3. fan enclosure first then filter holder then fan grill.

120 mm 24v fan Amazon.com: WINSINN 120mm Fan 24V Brushless 12025 120x25mm for Cooling PC Computer Case CPU Coolers Radiators - 2Pin : Electronics

carbon filter -Amazon.com: Dekiru Carbon Activated Filter Precut for HPA300 Prefilter Compatible with Honeywell Air Purifier Filter Replacement, Fit for Easy Installation Advanced Filters (6 Pack) : Home & Kitchen

dc jack terminal connector and 18v dc jack power supply - Amazon.com: 18V AC Adapter DC 18volt 1A 0.8A 0.5A Switching Power Supply Charger with 8 Interchangeable DC Plug for 18V 100mA 200mA 300mA 400mA 500mA 600mA 800mA 900mA 1000mA Equipment : Electronics

5/32 screws you need a total of 4 binifiMux 300pcs 2-56 Pan Phillips Machine Screws Hex Nuts Assortment Kit,5/32" 3/16" 5/16" 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1", 304 Stainless Steel: Amazon.com: Industrial & Scientific

the actual screws i used - 96 Piece Stainless Steel Screw and Nut Set (harborfreight.com) I used the pan head screws oval heads were not designed for this project.

heat shrink +heat gun Heat Shrink Tubing Kit, Mini Heat Gun + 328 PCS Heat Shrink Wrap Tube　2:1.: Amazon.com: Industrial & Scientific

18 gauge red and black 50 ft wire -100FT 18 AWG Gauge Electrical Wire, DC 12V Hookup Red Black Copper Stranded Auto 2 Cord, Flexible Extension Cable with Spool for LED Ribbon Lamp Light or Low Voltage - Amazon.com

1x4 Philps head screwdriver and probably a smaller one to screw down terminal connectors.

wire strippers with different gauges to cut.

hot glue gun with hot glue sticks or some type of holding glue for the dc jack.

electrical solder

soldering iron

wire cutters (optional)

scissors (need to be strong and sharp to cut carbon filter use probably sharp fabric scissors)

helping hand to hold wires while soldering (i will leave a link as the market is better online if your not near a hobby shop)

mlogiroa Helping Hands Soldering Station, 3.5X 12X Magnifying Glass LED Lighted Magnifier with Auxiliary Clips Alligator Clamp Repair Tools Kit for Soldering, Assembly, Miniatures - Amazon.com

safety glasses are always good to have and wear for safety

solder flux (optional if the solder contains flux)

step 1: make sure before you splice the wires and solder that you insert the switch first through the top ( I wired the wires in project outside this project to make it easier to follow along but putting the switch in the hole first is crucial)

next is to remove the precut wiring sheathing if you bought the switches from the link if not use wire strippers to cut and remove the sheathing.

get about an inch and a half of red and black wire and strip both of them.

insert the positive and negative wires into the correct terminals (the positive side for red and negative side for black)

make sure to unscrew the screws to insert the wires to the terminals. note there are symbols for positive and negative sides of each terminal make sure they are inserted in the correct slots (positive symbol +) (negative symbol - ) or you could cause a shortage leading up to wiring. there are also colors that correlate to the positive and negative symbols red is positive and black is negative

cut both wires of the fan only leaving the bare wires and not the Jst connector end, then strip the black wire of the fan (negative )and then strip the black wire(negative of the terminal connecter. Twist both wires together splicing them together then solder them together and add Heat-shrink of the appropriate size making sure that it fits and use apro (use the steps of soldering and heatshrink for all of your connections) I used a heat gun from the link to close it off and stop wire shortages.

The step is to strip the red wire of the fan and the wire of the switch (if not already done in step 1) then twist them together (splicing them) then solder and use heat shrink.

for the Final step splice the black(negative) wire of the switch with the positive wire (red wire) of the power source or dc terminal connecter, Then add solder and heat shrink.

you can now test your fume extractor to make sure everything is running and no shortages.

for the first step of the assembly process use hobby glue and glue the dc jack into the unoccupied holes it should friction fit then use glue to seal it.

take the filter holder and 1 carbon filter shape then mark (optional) then cut it to the shape using sharp fabric scissors and the filter after cut to size should fit snug in the square slot.

now we are almost done with the project, next take the fan and place it over the filter and make sure the fan is facing the right direction facing forward sucking air in not pushing air out it should look like the picture and make sure the alignment with the holes is good as there is a wire that hangs out but is benign if everything is correctly lined up.

for the final piece add on the grill to prevent items from damaging the fan use the Philips head screwdriver to screw the 5/32 screws and line up all the pieces and screw it in.

Thats it you have a built a solder Fume extractor !! if you have any questions, please leave a comment it was a pleasure to make this project and share it with others as it being my first time.