OK, trying out my first ever 3D print at my local makerspace!
At first I tried a scoop, but it wouldn’t stick, so I changed it to a simple coin. I’m printing with 1.75 PLA on a ROBO 3D. The temp is set to 200c and I’ve slowed the feed rate down to 60 for the first few layers.
Anyone know how to fix that curling?
some say clean the tape with acetone and add hair spray. but the first layer seems to have poor adhesion. try adjusting head height.
Would you suggest higher or lower?
try cleaning the surface well first. to set height i take a sheet of regular copy paper under the nozzle (clean excess plastic off first) move to each corner and adjust til there is a light dragging on the paper when you slide it back and forth for 4 point bed. for 3 point do the center leveling point first then the two corners. do this repeatedly until it keeps consistent height for a whole adjustment cycle.
what kind of printer?
what slicer? what slicer settings? I like printing on glass. if you use hairspray get the cheapest stuff you can find. no oils or added scents. usually named something generic like “hairspray” lol also gluesticks work well on abs and pla
60 is still pretty fast for a 1st layer, try 30.
Go 20mm/s and 210c for first layer, 60-70mm/s and 200c for the rest.
I’m still learning, so bare with me. The printer is a ROBO 3D. It’s owned by my local maker space, but there aren’t any experts on the subject of 3D printing there. The slicer was integrated into the printing software, I didn’t install it, but I think it was Repetier-Host. I’ll get some hair spray at the dollar store before my next visit. Do I need to worry about the circuitry? How close/thick should I apply it?
As for the temp, they mentioned the plastic started to discolor at 205c, but I’ll give it a try.
I made a second post with a picture of the disk after I pulled it off, it’s a fairly detailed shot of the problems. It looks like the machine is getting hung up on one of its axis’s, it layers the lines on top for a few rows before straightening out to just repeat the stack again and again. It’s quite uniform in its botching…
Wait… isn’t PLA supposed to be set at a much lower temperature? Some googling around shows that 200+C PLA settings are for EXTREMELY fast print rates, like 120mm/s.
http://forums.reprap.org/read.php?1,228580,228871
edit: (Whoops, don’t know where I got the 120mm/s figure from… but the extreme high temp is supposed to be for fast extrusion…)
The gap between nozzle and tap should less than 0.3 mm.
Looks like your bed may not be leveled well enough. Looks like the filament is being squished down well on one side (as it should be for the first layer), but not on the other.
OK, I’ve made some serious progress, but I just learned that slic3r wasn’t even using the settings I had made. When I tried to select the settings, it gave an error message saying it couldn’t find the composition.gcode file. The error message in the log however, said the issue was that the First Layer height couldn’t be greater then the nozzle diameter. If this is the case, how can I set it to 150% as @Ashley_Webster suggested?
I included the % sign during the initial change. The layer height is normally 0.3034.
Ty to those who provided helpful info, unfortunately the printer I had been working on had several other people take interest in it. These people have their own calibrations they make every time they hop on and it’s getting confusing keeping up. It’s like trying to paint a picture of a rubix cube and having someone come and rearrange the colors whenever you look away. Or worse, you showing up and finding someone is already using the only canvas…
So basically I’m holding off on my calibration lessons until I can get my own in May.
