well that was short lived! printed 2 pieces and now it's back to the way it was. I have noticed that my entire hot end moves. like, (when it's cold) I can wiggle the nozzle by 1 or 2 millimeters. the connection between the heatsink and the wade's extruder is not tight. is this normal? if not, any ideas on how to make this tighter? thanksby n2Jesus - Printing
well, I made sure everything was tight. it was. I looked for anything catching or dragging. didn't find anything. then in a hail Mary attempt, I greased the rails. problem went away. decent prints now. thanks for the help.by n2Jesus - Printing
hello, I'm using a mendel i2. things have been going well until this past weekend. I did a pretty nice t-rex skull and then I started getting really bad prints. It started with this: which is weird because it cleaned itself up. I didn't do anything and it started working. now everything looks like the bottom part of the print in the pic. I've checked pulley set screws, belt tension, jerkby n2Jesus - Printing
ok. I finally got back to it. My extruded pla measured .52mm I set the diameter up to .45mm and it helped a lot, but I think it could go even more. how much does pla expand? is .45mm a good number, or should I go higher? thanks.by n2Jesus - Printing
I have calibrated, and my Z is set correctly. Every layer has problems. A print eventually sticks together enough to maintain its form, but it looks horrible. If perfect is Rembrandt, this is a toddler trying to copy it with chalk. Something I just thought of... My previous printer uses lead screws. How tight do the belts need to be to prevent backlash?by n2Jesus - Printing
Hi all, I just finished building a mendel I2. I'm in the testing & tweaking stage now. When I print, instead of extrusions that bond together I get individual lines that do not connect. On a 3 perimeter print I can see blue tape between each perimeter extrusion. My solid infill looks like a basket weave instead of a solid print. To me, it acts like I'm starving the extruder. I have made sby n2Jesus - Printing
I may have figured it out. I swapped out ramps boards. problem went away.by n2Jesus - RAMPS Electronics
Hi all, I have a home built 3d printer. It uses Arduino mega, ramps 1.4, and A4988 step controllers. things have been going along nicely until last weekend. I was doing a print that took about 24 hours, and when the print was finished, I homed the print head. x and y worked great, but when the z started down, it was very erratic, and then it just stopped. I ended up swapping out A4988's andby n2Jesus - RAMPS Electronics
Hi all, I'm adding a proximity sensor for Z min. it is a DC6-36V PNP NC 4mm Unshielded Inductive Proximity Switch LJ12A3-4-Z/AY the signal wire reads 12 volts when the sensor is NOT triggered. 0volts when triggered. I have z min endstop inverting set to false and the pullup resistor is NOT defined. when I use m119 in repetier, if NOT triggered, it reads TRIGGERED, and when triggered, it rby n2Jesus - RAMPS Electronics
so, I changed out all of the electronics. new arduino, ramps, stepper drivers. I built it up one piece at a time testing as I went. all worked well. as soon as I turned on the bed, I lost usb connection. I reduced the max bed power to 1 and I still lose connection. It has to do with current flow because if I disconnect the bed wires, and then turn the bed on in repetier, everything works fiby n2Jesus - RAMPS Electronics
well, I clipped D1. problem solved (hah, hah) it solve the problem short term. I can move and print again. however... when I enable the heated bed, I lose usb connection sometime after the bed reaches operating temp. I have verified that it will print with the bed off. my next step, I think is to add a very small amount of resistance to the heated bed so it doesn't draw 45+ amps. any adviby n2Jesus - RAMPS Electronics
ok... blink worked under usb power. blink worked under 9volts through power jack thermistors are giving data back to repetier end stops work applied only 12volts 5amp power -- usb connection lost. unplugged usb and re-connected. windows said it didn't recognize the device. killed the power and used usb, worked fine. any thoughts? what if I clipped D1? I don't use an lcd screen. long termby n2Jesus - RAMPS Electronics
Thanks for the great advice. I'm out of town right now. I'll try all you suggested when I get home.by n2Jesus - RAMPS Electronics
Hi all, I built a 3d printer a couple of months ago. Everything has been going great. the other day I added a heated bed. I printed a part using it, and everything worked great except I started losing steps. the heated bed was drawing so many amps it was pulling the volts down causing the steppers to lose steps. so, I started changing power supplies to better supply the proper voltages to both rby n2Jesus - RAMPS Electronics
ok, I tried your suggestions with no joy. I know it's not bad advice, it's me. here's what I've tried... I tested my feed rate by marking off 50mm on the filament and then telling repetier to extrude 50mm. this was at 92.5 steps per mm. it fed 46.5mm. (note: at this feed rate, my perimeters look good, but the solid infill swell the perimeters and the nozzle drags through the infill.) BUT,by n2Jesus - Slic3r
thanks, Dave. I'll try those things tonight.by n2Jesus - Slic3r
Hi all, I have a consistent problem that I need help with. whenever I do solid infill the nozzle ends up dragging through the previous layer. I have printed 10x10 test cubes where the final layer infill is 1.5mm higher than the final layer perimeter. how can I change this? things I've changed... infill speed was too high for my printer. I think slic3r thought I needed more filament for a hby n2Jesus - Slic3r
JamesK, your assistance did the trick! everyone else too, but thank you for pointing me to the spot in code. for some dumb reason, I thought max x was the distance it travelled right after homing. thanks again.by n2Jesus - General
632 steps/mm in the x axis. can't try a different value right now, but I will later tonight. thanksby n2Jesus - General
I hate to be a bother but, I've been through configuration.h 6 times. can anyone give me variable name, or the general location in the file where this parameter is set? thanks.by n2Jesus - General
oh yeah, it's calibrated. I'll look for the max x setting. any idea where it is? thanks.by n2Jesus - General
Hi all, I recently built a 3d printer out of an old cnc mill that I had. I'm using an arduino mega with ramps 1.4 to run it. I use repetier for the host. my bed is over 900mm long and I have set it that way in repetier. when I try to move in the x direction it will only travel to 450mm and stops. this occurs both with a manual move and in gcode. with gcode, the program continues to run butby n2Jesus - General