Hello,
Sorry if this is another my print wont stick thread but I have spent quite a while trying to get my PLA to stick to glass but I just cant get it to work consistently enough that I can control it! I dont want to use tape as this is why I invested in a heat bed and I can see it will work because occasionally it does but most of the time it does not!
I have a pretty typical 2012 setup ( i started building it then )
Prusa i2 running off Ramps 1.4 with a Wade extruder and a Jhead 0.5 nozzle.
Printing onto a mirror clipped on a Heatbed MK2
Powered from ATX PSU
Slic3r set to 1.75mm 0.3 layer height ( I set it to this when I had adhesion once! )
I have been systematically through it and I just need a bit of guidance on how to solve my sticking issues!
Variables I have checked and know 100% are good enough
Extrusion steps - If I extrude 100mm I get very close to 100mm filament take-up.
Electronics - this is my background and I have no overheating or skipping issues and the PSU is working well.
Bed cleaning - I use IPA and rub the surface down thoroughly with toilet paper ( does lint cause issues? )
Variables I think cause bad adhesion
Bed Temperature - I have a laser thermometer that I check against the thermistor and it is pretty close. I started at 60 and stepped upto 70 with a slight improvement. Should I pursue a Higher temp? does too high prevent sticking or is it just warping?
Bed Leveling - I have re-adjusted the bed height non stop with little result using the paper dragging under the head. After repeated tries I got it so close that the PLA was barely a trace then tried increasing the z offset .1mm at a time in slic3r. This worked but it was still not consistent each time I tried.
Variables I am unsure of
PLA quality? I purchased the PLA cheap of ebay, does cheap filament not stick?
Mirror Glass - Could this be an issue, perhaps a different glass could work better?
Observations
The beginning of a line always lifts up, sometimes only a few mm sometimes most of the line especially if its wiggley
the head oozes a little when heating up causing the outline to become a mess, I sometimes have to clear it because it almost messes the whole print up.
I had success when my Extruder steps were wrong over extruding
Any tips on what element is more important for adhesion and what is not would be really helpful as I feel like there is a lot distracting me from what is actually the cause!
Sorry if this is another my print wont stick thread but I have spent quite a while trying to get my PLA to stick to glass but I just cant get it to work consistently enough that I can control it! I dont want to use tape as this is why I invested in a heat bed and I can see it will work because occasionally it does but most of the time it does not!
I have a pretty typical 2012 setup ( i started building it then )
Prusa i2 running off Ramps 1.4 with a Wade extruder and a Jhead 0.5 nozzle.
Printing onto a mirror clipped on a Heatbed MK2
Powered from ATX PSU
Slic3r set to 1.75mm 0.3 layer height ( I set it to this when I had adhesion once! )
I have been systematically through it and I just need a bit of guidance on how to solve my sticking issues!
Variables I have checked and know 100% are good enough
Extrusion steps - If I extrude 100mm I get very close to 100mm filament take-up.
Electronics - this is my background and I have no overheating or skipping issues and the PSU is working well.
Bed cleaning - I use IPA and rub the surface down thoroughly with toilet paper ( does lint cause issues? )
Variables I think cause bad adhesion
Bed Temperature - I have a laser thermometer that I check against the thermistor and it is pretty close. I started at 60 and stepped upto 70 with a slight improvement. Should I pursue a Higher temp? does too high prevent sticking or is it just warping?
Bed Leveling - I have re-adjusted the bed height non stop with little result using the paper dragging under the head. After repeated tries I got it so close that the PLA was barely a trace then tried increasing the z offset .1mm at a time in slic3r. This worked but it was still not consistent each time I tried.
Variables I am unsure of
PLA quality? I purchased the PLA cheap of ebay, does cheap filament not stick?
Mirror Glass - Could this be an issue, perhaps a different glass could work better?
Observations
The beginning of a line always lifts up, sometimes only a few mm sometimes most of the line especially if its wiggley
the head oozes a little when heating up causing the outline to become a mess, I sometimes have to clear it because it almost messes the whole print up.
I had success when my Extruder steps were wrong over extruding
Any tips on what element is more important for adhesion and what is not would be really helpful as I feel like there is a lot distracting me from what is actually the cause!