So am I supposed to always do 45° rectilinear 100% in fill? Or just a simple cooling issue
This was some sort of infill going perpendicular with the body. All of these rough marks were on the fan side, slightly raised and grainy. This is using the wine rPLA Prusa offers. It covered it over as it placed down an opposite layer parallel to the body. Since then it seems to have done another perpendicular layer just fine.
I've noticed I've had to up the temperature a lot because I'm using input shaper and a very dense infill with a fairly temperature resistant PLA it seems. When I first got the stuff I was running it on the higher end of the recommended temperature settings, 215. I finally figured out how to program a temperature tower and discovered 235 is a much more appropriate temperature. Could this be the fan cooling it down too much? Could it just be that it was filling right to left and as it got to the end all the rapid movement and extrusion was just simply cooling it down too quickly? I've noticed the stuff gets rather gummy as it cools down. I haven't tried anything over 235 yet to see if it gets stringy as it gets hot
Some important things to note, I'm running this at whatever default super high speeds this thing runs at on input shaper. I've said it to combine every four layers because I'm doing 0.1 layers and I'm using a 0.4 nozzle and I'm really just trying to make this thing as heavy and efficiently printed as possible while still being rectangular. I'm also going to be doing ironing at the top and I'm worried that will really mess it up haha. I did increase flow rate and increased the distance between lines for the ironing because I know this stuff gets cold quick. I couldn't even get below 200 on the temperature tower as the model was falling apart gradually as it cooled down to that level
Thanks in advance
RE: So am I supposed to always do 45° rectilinear 100% in fill? Or just a simple cooling issue
- Now it seems to be on the south side. Right after it finishes it's perimeters it starts out like that and then gets smooth as it does the infill. So something's going on with the temperature while it's laying down the perimeter's first before it does the combine four layer (.1 layers) infill
RE: So am I supposed to always do 45° rectilinear 100% in fill? Or just a simple cooling issue
aborted print. I suspect overcooling on first layer. Please confirm if so 🙏 thank you 😁
RE: So am I supposed to always do 45° rectilinear 100% in fill? Or just a simple cooling issue
Aaaannnnnd final update:
Turned off cooling fan for first three layers. Increased initial nozzle temperature about 5°. Looks like it's already starting again 😨
Do I have to print one of those silly bidirectional fan things? Please tell me it's simple 🤣
RE: So am I supposed to always do 45° rectilinear 100% in fill? Or just a simple cooling issue
okay I'm just not going to say anything about if it's the final one or not 😅
But I do think I've solved my own problem. I reduced flow factor by 4% and reduce the nozzle temperature significantly. 225 was where I landed and it seems to have reduced it to almost nothing. So am I correct to assume that the hotend fan is causing some kind of airflow drought on that side?
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But wait, there's more 🤣🙃
My bed temps are super uneven... Hotest on the hotend fan side and cooling as they go away. bed temp set to 70c so I'm not even hitting the target in the warmest spot. And they are hotest on the ugly side 😭 so are my prints warping from uneven heating?
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This hobby is so fun 🤣 I just learned the thermal camera is not accurate here for this application