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Printing issues ...
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Nice! Single perimeter thin. I have to try. I was afraid to use very thin pillars thinking they could bend. One layer space between the object and the support; I don't know because my ABS tends to curl up not down...or perhaps it gets a grip? I 've been thinking to print two halves also. I haven't got experience yet, ABS + acetone joining. Perhaps some mortise and tenon joint inside makes it be
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Plasteroid
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Printing
You could try Cura. It makes lighter support structures I think.
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Plasteroid
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Printing
I flipped the gear. I don't know why it was designed to stand on it's tip? I drew the support by myself and printed it much better. Perhaps a little bit more and thinner pillars could do it better?
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Plasteroid
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Printing
I was trying to print a worm gear ( ). Slic3r 1.0 RC2 made too much support (image). Cura was missing top part support and my print was knocked down by the hotend ( upper part edge curling). I have overhang angle 60 on Cura. Does it help to put it to about 40 (upper part slope)? Some Slic3r setting so the whole gear would not be covered by the hard shell? Or more Cura settings?
P.S.
I was think
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Plasteroid
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Printing
I have 47 / 9 teeth , ratio 1:5.2222... extruder gears which came with my Reprap kit. Is it bad to use those infinite ratios in gear design generally?
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Plasteroid
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Mechanics
Thank yoy very much! I managed to improve quality very much, almost perfect (gear9better.jpg). Perhaps I could have done something better, but this was good enough. I see a little design flaw on my first gear drawing.
I lowered temperature to 225. I did not try to print 4 at once, yet, but here are the other setting that I made in Slic3r:
Avoid crossing perimeters true.
; generated by Slic3r
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Plasteroid
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Printing
Should I lower acceleration, speed or what? 230C Hotend & 110C Bed. The hollow calibration cube prints more nicely compared to these gears.
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Plasteroid
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Printing
How on earth it is printed? It was front leg edge rising up (red circle on a photo) on my printer. Some ABS does not bend so much or? My parts stick to the bed so well that they come up with thin sheet of dried ABS juice, but it does not help in this case. Why your ABS does not warp? I have even hotter bed (110C).
P.S. Slicing error? If I could print front legs more layers at once, they could
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Plasteroid
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Printing
I wonder how people can print that Morena's tree frog on ABS? I use ABS juice and I have'n had any problems with my prints sticking to the bed: gears, cubes and etc. No warping. But that frog's back leg arched printing makes a curve up. Warping without a support and next time printer head crushes to the rised layer and pushes the leg away. Still I see videos where the frog is printed with ABS an
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Plasteroid
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Printing
I found a document that says 30 degrees helical angle is perfect for a herringbone gear. I tried to draw 15 + 15 degrees = 30 degrees ( two helical gears together). Compared to my Extruder gear it makes much more smaller angle "arrow"? What are really good angles? My Repraps Extruder Big gear arrow is something like 50 degrees.
Edit: hmmph I understood wrong how to look the Helix angle. It is
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Plasteroid
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Mechanics
Pololus are also cheap, I would also buy new ones. But I did not burn them, even when I drove them some time on overvoltage. I later calibrated them to 0.4V from 0.8v (the extruder now 0.65v).
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Plasteroid
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General Mendel Topics
Change your RAMPS, not very expensive to try. Mine did not want to fit to Arduino very easily. Perhaps some pins or soldered joints broke from your RAMPS?
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Plasteroid
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General Mendel Topics
Hmm. Then Slic3r repaired it automatically and printed it correctly. I wonder what type of error it was? STL was edited in Sketchup 8 and it is sometimes quite cumbersome with holes... In Slic3r it says n number of "x" repaired. I have to continue editing and validate somewhere the objects, then... Or just Slic3r repairs the objects.
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Plasteroid
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3D Design tools
Here is the file. But I printed it on Slic3r / Pronterface already correctly! But I used Cura to change orientatation and made it lay flat saved STL again then to Slic3r. Anyway it missed hole first when I tried with Cura? When I observed the object on Cura it seems to have both holes trough. But Cura missed half part of the hole. It printed the nut part OK.
P.S.
I added STL which I just laid fl
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Plasteroid
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3D Design tools
Cura Forgot To Make A Hole? Version 14.09. I can see on a plater that my piece has two holes. Cura did not Print the other one?
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Plasteroid
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3D Design tools
Install printrun / pronterface for Mac to see print times. I don't know how for example ABS sticks to totally cooled layer. And that nozzle cleaning after pause?
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Plasteroid
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General Mendel Topics
I think that both are good, but if there are some parts that you need to bend to fit bearings or rods, PLA can crack easier. I print ABS with ABS parts without fan (catnozzle). No melting. I'm gonna buy & test Nylon for gears.
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Plasteroid
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General Mendel Topics
I have layer height 0.35 with 0.4 nozzle. When you measured 10mm movements did you just look m114 command or measured it in a real world with some tool?
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Plasteroid
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General Mendel Topics
Third one: Now the 10 cent fits with some cleaning. Steps from 80 to 82. Exact calculation was 82.27, but I wonder if only full steps work? Some parts of walls deformed a little and one corner filling is missing some plastic. Just impurities? Pronterface temp was crazy moving from 230 to 207? Slicer: 0.
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Plasteroid
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General Mendel Topics
Hi! I was using 10 euro cent calibration piece and i got about 0.75mm overall too small pieces (also the outside ). Image file included. Shoud I start checking belts and tighten more first or just adjust X and Y steps. What if x-carriage is loose (bearings moving)? The pieces should be longer then?
Needed 19.75 mm hole diameter
Best for now 19.11mm
This piece is too thin to say nothing about Z
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Plasteroid
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General Mendel Topics
Yes I understand that. When I press + the bed comes towards me and the hotend is getting + coordinates and when minus, the bed moves back and touches Y_min. I think that I have all right. But I wonder why in the image: Y_max endstop is also at the back? and why replicatorwarehouse says:
Positive moves:
Y axes needs to move away from you
Or that just don't mean Pronterface + button...?
I
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Plasteroid
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General Mendel Topics
When looking this image: Y_max stopper is at the backside. How then it is possible that Y_min stopper is adviced to be at back? My X & Z work now ok, they home at min left and down. X right movement is + and Z up is +. Y on Pronterface is + movement towards me (frontside).
If I reverse it that, (-) movement is towards me and when I do home, of course it comes crashing frontside and look
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Plasteroid
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General Mendel Topics
Hmmm. same problems continue. Perhaps that 3-wire thing does not work for some reason?
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Plasteroid
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General Mendel Topics
Yes, Y-endstop is at the back near the motor.
I have three wires connected like:
COM / S
NC / -
NO / +
Oops! I Found A wiring error! I have NO on -
Thank you anyway! I hope I have not fried nothing.
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Plasteroid
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General Mendel Topics
Hi! I'm trying to form my problems & question better. When I try to move away from my endstop Pronterface says: endstop hit Y:3.09..? Y_min is triggered if I check with M119. (i3, Arduino 2650. Ramps 1.4) Is this correct then? So I cannot manually move it away from endstop when it hits min triggered?
edit: This is how my Reprap moves
Positive moves:
X axes needs to move to the r
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Plasteroid
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General Mendel Topics
Still confused. I tried home once before X axis and it went crashing. Now I don't have same config, but I'm not interested to press Y home if it pushes against endstop and crashes?
Here I read
when we clicked the Y plus the bed moves back
So does my printer move. Y motor side Y- direction? I was thinking it is Y+ like in that instructables site.
Edit: when I look
it shows me motorside Y max
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Plasteroid
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General Mendel Topics
When I press for example Y+ until it clicks my endstop on the backside / motorside it just continues pushing endstop. I cannot make it to return Y-. M119 says y_min triggered. If I try forward & then back towards me (Y-) Pronterface says endstops hit Y:0.17 . What's wrong & what I'm missing. Still confused with te logig..
All the endstops do same.
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Plasteroid
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General Mendel Topics
Page 4 of 5
Pages: 12345