Notifiche
Cancella tutti

Rough top layer  

  RSS
Timber
(@timber)
New Member
Rough top layer

Hi All, I'm fairly new to 3D printing been having a blast with my MK3 so far, my prints have been coming out pretty good but, I still have a problem with getting the final layer smooth, I mean it's ok but I've seen other peoples prints and there's looks great. Been reading where I need to turn off the Z lift. I'm using Simplify 3d just not sure what has to be turned off?

Postato : 01/04/2018 12:36 am
Kwaad2
(@kwaad2)
Honorable Member
Re: Rough top layer

I'm guessing with no pictures or details of top texture... Heh...
I would hazard a guess that you are suffering from over extrusion.

Check https://www.thingiverse.com/thing:1622868

Follow the instructions there, and see if that helps.

Would need pictures to give any other advice.

Hi, I'm Sean. I used to work on CNC machines.
I try to not make mistakes, but the decision is YOURS.
Please feel free to donate to my filament/maintance fund.

Postato : 01/04/2018 12:55 am
Bigdogbro1
(@bigdogbro1)
Estimable Member
Re: Rough top layer

If your first layer is too close to the build surface it will get plow ridges on either side of the placed filament that is rough.

MK3 Kit, Designed, built 4x4 CNC Plasma Cutting Table, Motorcycles Bigdogbro's Adventures
http://www.youtube.com/channel/UC5djrxBeeOKB9_6rHnn6G8A

Postato : 01/04/2018 2:07 am
Timber
(@timber)
New Member
Topic starter answered:
Re: Rough top layer

Sorry for not posting any pic's. Ok I printed out the over and under extrusion test that you suggested, and it came out very good, it fits together and there's no gaps. I did a live Z calibration out of red pla and that came out nice and smooth as you can see. Now the maker coin s where I'm at now it's rather rough. Been trying everything and that's as smooth as I can get it.

Postato : 01/04/2018 2:29 am
Kwaad2
(@kwaad2)
Honorable Member
Re: Rough top layer

I think I see your problem... if it's what I think it is... It's not what you wanna hear.

Give this a try.
https://www.thingiverse.com/thing:2846603

The "test" we are looking for, is is it "smoother" away from the "edge" of the lines. (rough near the sides, smoother towards center)

I think you are having "over extrusion" at the "end" of the extrusion lines.

Using S3D you can use "Coasting" (I think it has that) to resolve that issue. Your other option is to wait for the 3.2 firmware to be released on the printer... or if you wanna be really daring, download+compile+flash the 3.2 firmware yourself... 😉 I can confirm as of the most recent commit, it is working.

Hi, I'm Sean. I used to work on CNC machines.
I try to not make mistakes, but the decision is YOURS.
Please feel free to donate to my filament/maintance fund.

Postato : 01/04/2018 7:22 am
Condividi: