Questions tagged [cooling]

Questions about cooling 3D printers or 3D printed parts.

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vote
2answers
214 views

All-metal hotend, cooling fan failures, and cold-side PTFE

I'm getting a pet bird soon, and I know that off-gassing from heating PTFE above 300 °C creates noxious fumes, which are bird-killer1. To try to prevent even the chance of that I'm replacing my ...
2
votes
1answer
49 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 ...
3
votes
2answers
2k views

Part cooling fan on when printing TPU?

I could have sworn I read somewhere that when printing with TPU to make sure the part cooling fan is blowing. But I just did a quick Googling and couldn't find anything stating such on Matter Hackers ...
4
votes
1answer
113 views

Which filament to use for an application involving water circulation?

Let's suppose I want to build a water block shaped exactly for my Ubis 13s hot end (similar to this instructable), or that I want to circulate water around specific objects to be cooled (like Water-...
5
votes
3answers
1k views

Water-cooling stepper motor with aluminum block

On a budget, I'm water-cooling a 3D printer. I'm using a 5 V aquarium pump (\$3). Originally I tried to only use about as much water in a can of chickpeas but then found out i needed a lot more. ...
1
vote
0answers
68 views

Hotend Will NOT Heat Up with Bullseye

So I just printed my Bullseye mod for my cr-10. But now I have a problem, when my hotend is trying to heat up it can't, because the cooling is to powerful. I know this because when I stop the fan with ...
5
votes
4answers
462 views

How can I avoid jamming in the feeder?

Recently, at work we bought a Guider II printer from FlashForge. When we try to print models using a high resolution or models with a too high printing time, the feeder gets clogged. And the feeder is ...
1
vote
1answer
111 views

Unable to hit hot end temperature with part cooler on

I'm unable to use the parts cooler I printed. Every time I turn it on, the hot end temp drops too low, and for some reason the PID can't seem to get it back up: This is a test to simulate the issue. ...
2
votes
1answer
3k views

Changing FAN0 to FAN1 in TriGorilla printer board

I plugged a new fan into the (TriGorilla v1.4) printer board Fan0 which I found out to be broken. I'm trying to upgrade the part cooling fan for a bigger one. Unfortunately after plugging in the old ...
6
votes
1answer
581 views

Upgrading to silicone heat bed, will it burn my house down?

I'm looking into upgrading my heated bed and replacing it with a silicone bed. I know nearly nothing about electronics, so I would like someone more knowledgeable to confirm if what I have theorized ...
7
votes
2answers
2k views

Why does my part-cooling fan cause stringing?

Really strange observation with my MP Select Mini V2 printing PLA. I've printed a dual-fan shroud so I can have a dedicated part-cooling fan. I've noticed that when I turn it on, the extruder starts ...
6
votes
2answers
278 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
votes
1answer
7k 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 ...
6
votes
2answers
1k views

Proper way to power down a FDM printer

I just got my first 3D printer today, QIDI X-ONE[2], and so far so good with the setup and getting my 1st print. I wanted to power off the printer, but I don't see any instructions on how to properly ...
3
votes
2answers
1k 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 ...
5
votes
1answer
4k views

Should I be doing PID auto-tuning with my fan at 100% (Anet A8)

I'm using an Anet A8 with Marlin 1.1.6. I've read countless guides on PID auto-tuning and never saw that the fan needed to be on, but when I look at the Marlin source code's ANet A8 configuration (...
8
votes
1answer
89 views

Cooling for big layers

There is an option in Slic3r to disable cooling for layers that take more than n seconds. What would be the disadvantages of having cooling on big layers ?
4
votes
2answers
3k views

Blow vs suck air over hotend's heatsink

I've build a 3D printer from sourced parts and mounted the hotend cooler to blow air over the heatsink. Talking to a friend, he said it's better to reverse the airflow over the heatsink, but couldn'...
4
votes
1answer
3k views

Marlin (on RUMBA board) switch extruder fan automatically

I have wired in a new extruder with its own cooling fan and I tried to change the Marlin firmware to switch it on automatically above a specific temperature (50 °C). I did noting in the ...
8
votes
1answer
361 views

Sanguinololu 1.3a fan connection

Can anyone tell me where to connect a cooling fan on the Sanguinololu v1.3a board? A few of the information pages mention three PWM outputs: Extruder, bed heater and fan, but none of the wiring ...
20
votes
3answers
9k views

Should I enclose my 3D Printer?

I have a home built RepRap with all sides open.. Would there be any advantage to enclosing the print area in acrylic?
21
votes
2answers
1k views

Mushy small top layers?

I just added a fan to my printer because very small layers seem to come out very badly. For example, the 5mm PLA cube that's the top level of the test shape shown below. Watching closely, I can see ...
6
votes
2answers
74 views

Does the material a bed is made out of affect the cooling time of a part?

Let's say I print a part out of ABS and wait for it to cool. I could theoretically do this with several copies of the same printer, modified to use print beds of different compositions. Will the ...
7
votes
1answer
137 views

My print is warping: how can I ensure that it cools evenly?

My print is warping and I suspect it is because of uneven cooling. How can ensure my print cools evenly? Should I put a fan on the bed? Will no fan and a tall skirt help? Or are my edges curling up ...