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Old 03-17-2019, 08:54 PM   #241 (permalink)
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The fan on my Ender 3's hot end threw a blade. So, I didn't print a damn thing today. My replacement fan is on order and I'm upgrading the PTFE tube with a Capricorn while I'm at it. In the meantime, my printer is down.
This is a guerrilla repair, but maybe try cutting out the fan blade diametrically opposed to the missing one to re-balance the fan and get it working again?

Might not be worth trying if your replacement parts are coming soon, though.
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Old 03-17-2019, 09:57 PM   #242 (permalink)
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This is a guerrilla repair, but maybe try cutting out the fan blade diametrically opposed to the missing one to re-balance the fan and get it working again?

Might not be worth trying if your replacement parts are coming soon, though.
Amazon shows them due for delivery tomorrow. I've got the hot end torn apart and ready for the repair. Hopefully I should be back in business tomorrow night.
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Old 03-17-2019, 10:05 PM   #243 (permalink)
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Man, it sure is nice to have parts available domestically When my first printer acted up, I was waiting two weeks for replacement parts from China!
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Old 03-18-2019, 08:56 AM   #244 (permalink)
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The fan on my Ender 3's hot end threw a blade. So, I didn't print a damn thing today. My replacement fan is on order and I'm upgrading the PTFE tube with a Capricorn while I'm at it. In the meantime, my printer is down.
Lol, I think my son's printer was missing four blades, which was half of the trouble controlling the extruder temp.
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Old 03-18-2019, 09:03 AM   #245 (permalink)
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Lol, I think my son's printer was missing four blades, which was half of the trouble controlling the extruder temp.
That, and the vibration caused by the unbalanced fan can't be good for accuracy. The printer sounded like it was getting ready for takeoff.
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Old 03-18-2019, 09:31 AM   #246 (permalink)
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The fan on my Ender 3's hot end threw a blade. So, I didn't print a damn thing today. My replacement fan is on order and I'm upgrading the PTFE tube with a Capricorn while I'm at it. In the meantime, my printer is down.
Just be careful with the Capricorn tubing. It has a tighter bore, which means tube jams are more common. With PETG in particular, I've also noticed that too much extruder pressure can deform the filament and lead to high resistance through the tube.
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Old 03-18-2019, 09:48 AM   #247 (permalink)
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Just be careful with the Capricorn tubing. It has a tighter bore, which means tube jams are more common. With PETG in particular, I've also noticed that too much extruder pressure can deform the filament and lead to high resistance through the tube.
Good to know. Thanks for the tip. According to Amazon, both the tube and the replacement fans are out for delivery. Hopefully I'll be able to get up and running again soon. Since I have my printer setup in my basement, the cold has not been kind and bed/layer adhesion has been a problem. I actually stopped all printing over the course of the winter as a result. Now that things are warming up again, I should be able to resume projects soon.
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Old 03-18-2019, 02:30 PM   #248 (permalink)
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Made a few parts for my Game of Thrones theme build. Stark direwolf eye cover and a hand of the king sleeve to hide the regulator/ASA transition. Going to try some "Winter is Coming" grips next.



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Old 03-18-2019, 04:13 PM   #249 (permalink)
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Good to know. Thanks for the tip. According to Amazon, both the tube and the replacement fans are out for delivery. Hopefully I'll be able to get up and running again soon. Since I have my printer setup in my basement, the cold has not been kind and bed/layer adhesion has been a problem. I actually stopped all printing over the course of the winter as a result. Now that things are warming up again, I should be able to resume projects soon.
My printers live in the garage, so lots of temperature swings and cold weather too. I have been known to slap a few pieces of foam board (like you buy for school projects) around mine, along with a 60w incandescent bulb. It's ugly, but it'll get you through a print and costs basically nothing.
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Old 03-18-2019, 05:43 PM   #250 (permalink)
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My printers live in the garage, so lots of temperature swings and cold weather too. I have been known to slap a few pieces of foam board (like you buy for school projects) around mine, along with a 60w incandescent bulb. It's ugly, but it'll get you through a print and costs basically nothing.
Great idea. I noticed that the bed would be constantly warping when I tried leveling it at printing temperature. Between the hot bed and the cold air, the gap would actually change from one moment to the next. Prints would start to lift even with glue stick. It sounds like an enclosure is necessary if I want to use it in the winter. Otherwise, I will need to find room for it upstairs.
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