Questions tagged [print-fan]

Questions relating to print cooling fans used for cooling the extruded material in a 3D printer. For electronics cooling fans, use the 'fans' tag.

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1answer
62 views

Ender 5 radial fan (part cooling fan) screw size

I’ve been having problems with my old fan shroud that I printed and when I went to install the new one the little screws that hold it in fell in the carpet which pretty much makes them lost forever. ...
1
vote
3answers
36 views

Are part cooling fans available in opposite orientation? [duplicate]

All the blower fans for part cooling I've seen rotate counter-clockwise when viewed from the intake side. I'm looking to replace mine on an Ender 3 with something stronger, and one of the worst parts ...
0
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0answers
37 views

How to systematically calibrate all the parameters of variable fan speed?

When a part is thin and the overall layer time decreases below a certain threshold, the plastic has no time to cool down enough to solidify and properly support the next layer, resulting in low print ...
0
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0answers
126 views

Fan making high pitched noise at full power

I bought a Sunon 5020 12 V blower/radial fan for my CR-10S and it makes a really nasty high pitched noise at full power. I read that PWM can cause this but not at full power, I have tried all marlin (...
0
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3answers
826 views

Can I replace the cooling fan blade for the hot end on creality ender 3?

I broke one of the blades of the fan and that's making the x-box vibrate. Other than that it works fine and I can still print at a very low flow rate and a lot of noise. Will replacing the blades, not ...
2
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1answer
140 views

How to find correct part cooling fans?

I have a 2-pin 40 mm axial fan as part cooling fan. I don't post a link because I would like a general answer. It runs on 12 V and when I start it at less than 40% it doesn't start. Even if I start ...
5
votes
3answers
803 views

Does right handed radial fan exist?

I have mounted two radial fan on my printer as a part cooling solution. As you can see, the fan has input on the left side and blows air down. Does a mirror construction exists? With outlet on the ...
3
votes
1answer
416 views

4pin fan on RAMPS board - direct?

The question is simple - I have a RAMPS 1.4 running Marlin 1.1.9 with the three MOSFETs being used (end, fan, bed), but I'd like to have a couple other Marlin-controlled fans. One of them would be a 4-...
1
vote
1answer
565 views

Prusa i3 improvement - cooling fan

I wanted to add a cooling fan to my Prusa i3. The board used by this printer is an MKS GEN L v1.0, such as this one: The cooling fan plug seems to be the white one on the top left corner, just below ...
7
votes
1answer
7k views

Controlling more fans with RAMPS board

I am using RAMPS 1.4 with Marlin. With Marlin, you can control a large number of fans with the M106 P<fan index> command. I'd like RAMPS to control some ...
4
votes
3answers
807 views

Cooling fan spins extremely fast, noisy on startup

I have built a 3D printer from parts. It is using a standard 12V power supply, an Arduino Mega 2560 replica and a RAMPS 1.4 board. The hotend cooling fan is connected to the 12V-AUX pin (the one right ...
9
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1answer
5k views

Why turning off model cooling for first layer?

I had few printing troubles for first layer yesterday (will certainly ask there as soon as I can take photos) but one of the things I've noticed is that the model cooling fan (the fan that is supposed ...
6
votes
2answers
473 views

Cooling fan noise when head is moving in the X axis

I have this fan model, it is a SUNON model number MF50151VX-B00U-A99 and it is a blower type. When the head is moving in the X-axis it makes noise. I think this type of fans is not suitable for ...
13
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1answer
9k views

Understand what CR-10S fans are cooling

I am designing a fan mount for the CR-10S printer to hold the E3D All-metal v6 HotEnd and BLTouch sensor. The CR-10S printer has two fans. One on the front: and another one on the right: I need ...
3
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2answers
2k views

Is it advisable to use additional external fan(s) for printing PLA?

I was wondering if adding (an) extra fan(s) (not connected to the printer, but blowing on the print area) could improve the quality of PLA based prints(printing at 210 C). The printer already has a ...
9
votes
1answer
8k views

How to configure Marlin to enable auto-fans with dual extruder

I have successfully assembled my custom-built 3D printer and configured Marlin for two extruders and one heated bed. Here is a picture of the printer. My heated bed runs on a linear axis with ball ...
7
votes
1answer
428 views

Fan Fails to Start

SOLVED: I replaced the leads coming from the fan motor and it is working just fine. Thanks for the input. If anyone else has this model, I would suggest printing and installing a wire clip in order to ...
9
votes
3answers
3k views

How to utilize/calibrate print fans for PLA?

At the moment, I am thinking about print fans that cool the plastic when printing. I am not asking about the design of the fanducts, which might be a whole book on its own. I would like to know how to ...