Hi there!im trying the printbot metal simple. Im in the calibration of z axe.

Hi there!im trying the printbot metal simple. Im in the calibration of z axe. I get this what do you think? Temp 200 i have set the z-1.2 . Shall i go lower? Shall i change temp? Flow? I have tried all but always the same results. In the first perimeters it is ok but after that it goes like that

I don’t think you need to go lower. Your skirt looks like it’s laid out nicely <I know there’s a joke in there somewhere>, but I think you’ve got other calibration problems because the print is shifted over on the right (on top of the skirt) whereas shouldn’t there be a 1-2mm gap like on the left?

You may want to start check the calibration of all the axis as well as make sure belts are snug, etc.

I had a working metal and it then exhibited this very behavior. The advice I got was to retension the belt. I also am installing the heated bed so I am stuck waiting on a part, but the belt definitely was looser than the reassembly instructions recommended.

If the tip is too low, you will start squishing plastic out in front and to the side of the tip motion. So as you go around the skirt you’re squishing extra plastic out which then the tip plows through as you continue going around. I think you need to back your z off, not get it closer.

Looks to low

Because the PLA looks very squished down to the surface. Does feel rough in between the layers? If so than that is your problem

to much filament?

When I had too much filament, I tried slowing the rate of extrusion and it did help, FWIW. I reduced it by 10mm/s.

Also, how cold is your substrate? (I held my hand up to the screen but it’s only slightly warm :wink:

If i lift the hotend and extrude it doesnt come to a straight line but it goes around the hotend. I believe this is a problem.the filament that goes out before tge print starts it stucks to the hotend and i have to take it out at the beggining i believe that is not normal too.i will go higher im -1 now at z. Flow 90%

Curling is a factor of the internal geometry of the tip and orifice. Usually its just an annoyance when extruding I to the air unless there’s actually some little particle inside or something. Go ahead and print one layer and measure it with your calipers this will tell you how much to adjust z height and/or if you need to adjust an end stop or two.

Check M501 to see your bed size set in firmware (is it M211?) if bed size set too small, plastic will pile up on the size due to soft stops in firmware.

Ok i will check it thanks @Brook_Drumm !

@George_Sfi My findings is 1st layer thick, the rest of the layers thin. so if I want to print at .1mm layers, I will do .3mm bottom layer with extra plastic (200% in slic3) and then doing .1mm with 100% for all other layers.

That makes printing easier for me.

I tried all these but nothing. I believe i found tge problem though.went i press extrude the filament does come at a straight line but it goes to the left and it get stucked in the nozzle. I dont hear any clicking of the extruder so i dont believe it is blocked tube. I also pushed tge filament by hand in heated hotend and it came out. Can the nozzle be broken? Or the other option is that the nozzle isnt levelled wth the bed. I can see that the bracket that holds it isnt level. So maybe bad assembly?

If you are printing .1mm layers- expect to really dial everything in on .2mm later height first. .1 is finicky. I’ve done .05mm and it’s even worse. Possible but the difference is so minimal as to barely be worth it.

All that to say master .3 then .2 then dive into .1

I realize you may not be doing .1 but wanted to mention it

I tried 0.2 ok i will check 0.3 to see the difference. But the nozzle will be still feed to the left.so i believe the problem will continue.i will check it though.thanks!

Did you check the M501 for bed size? What bot is it ?

It is a metal simple. Yes i checked the 501 in m211 command it says x y x 152.4

Ok good. And your slicer has correct settings for the bed size?

When motors are off, do all axis move smoothly with no weirdness or resistance? Just trying to see if it’s mechanical or software