ultifay
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Posts posted by ultifay
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After about half a year of letting my Ultimaker collect dust, I decided to revive it to do some projects that I've been wanting to do for a while now. I was of course very excited to see how much Cura has been improved (thanks Daid!), but I'm also wondering about the hardware changes. Can anybody give advice on what to
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[*:1tzkn0yj]Fan duct - I replaced the standard fan duct with a fan from thingiverse (
[*:1tzkn0yj]Hotend v2 - I never had any plugs at all, so I wonder whether this upgrade has any added value (does it make a difference for retraction?).
[*:1tzkn0yj]Extruder drive v2 - looks worth the investment... As far as print quality goes, is this doing more than simply adding the Quick Connect Shim?Any other things that I missed? Cheap/easy heated beds?
Thanks!
still confused about the status of this 'official' forum versus the google groups (which is where most of the officials hang out?) btw!
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don't knock the default fan too much. my tests of different fan designs show it to be one of the best designs weird tho it may seem. OK the material and construction is a bit shoddy, but the one under the machine is just as bad (and noone seems to complain about or redesign that one!!??)
Interesting! How do you compare the fans?
Agree about the fan under the machine (very much a band-aid solution), but once that's in place, it doesn't bother anything or improve performance.
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In particular, I'm aware that similar products are now appearing on the market at 1/3 the price of UM - it was bound to happen sooner or later of course
Can you name any?
About interchangable nozzles: does it make sense to put a smaller nozzle on for highly detailed small pieces? Can the Z resolution be made smaller then too, or are we at the limits there regardless the nozzle diameter?
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Temperature: 210C
Knob is tight enough, but that's hard to check of course (it leaves clearly visible marks on the filament).
The filament is PLA from Ultimaker, could it be the quality (varying thickness)?
Steps per E had to be adjusted a little bit higher: 872.870967742 (it extruded 99.2mm)
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I made my first few prints, using Cura. (for what it's worth: I was unable to complete the check routine, it stopped after the message for moving the head to the middle)
The quality is not yet at the level where I want it, any suggestions? (sorry for picture rotation...)
1) Flat surfaces (bottom layers or on top of a 30% fill) don't seem to fill entirely, like it doesn't extrude enough material.
2a) Sometimes suddenly gaps appear. Some close after a few layers, others end the exercise (note that these are single walls, 0.4mm, no fill)
2b) 0.1mm layer height looks a bit smeared, quality is almost worse than 0.2mm!
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I was having some problems getting the first layer to stick nicely to the blue tape. Double sided tape solves this nicely! It peels quite well from the blue tape, and after that from the plastic. No more sweeping the first layer(s) away, yay!
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You've done nothing wrong. The printer bed is large enough to have an hotend both in the left and right holes. Like this:
http://daid.eu/~daid/IMG_20120426 ... .small.jpg
And indeed, the default fan shroud hits the bed holder. I'm surprised that you are the first person to post about it (I forgot about it) As long as you don't use 210 but only 205mm of the bed you'll do fine. Different fan shroud will also solve it (there are a few of those on thingiverse)
AH that makes sense, so it's actually shifted with a dual head upgrade in mind
About the fan shroud: I think it wouldn't be a bad idea for Ultimaker to put a standard set of DIY (or PIY, print it yourself) deluxe part files on the website, include it in the assembly instructions (which could use a thorough update by the way, wiring and several parts not matching current shipping machine...). I understand why they chose to make their components as simple as possible, but I'm sure they will acknowledge some parts will just function so much better when they're a bit more complex (especially when that prevents collision!)
Thanks for your help daid!
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I can't seem to figure out what I've done wrong, but this can't be right either! The pink dots are the limits of X-Y.
The only way I can think of to fix this is to put the print head on the left in stead of the right, but that's not according to the instructions. Anything else I could have done wrong?
The other thing I noticed is that the extruder fan cover is hitting the bed holder (just a mm too much), but I can't move the endstop further to the front...
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Same problem here, M113 not recognized
Same problem with extrusion here.At last I've got my Ultimaker. Ukrainian customs robbed me for additional 500 euros. They call it tax but I think it's robbery.
Definately something is wrong with "Newcomer guide to your first 3D print". It doesn't work any more.
First strange thing I noticed - when you are using control panel in RepG you can't move head in to negative half axis.
Second strange thing - when you are printing something extrusion isn't happening at all. But extruder and hot end works fine - I've got nice test extrusion from control panel. I've noticed error message in log window when sent g-code to print - "Can't recognize M113". M113 means "Set Extruder PWM". There are two (at least - but may be more) M113 command in G-code - one in the begining (M113 S1 - set extruder to 100%), one in the end (M113 S0 - turn extruder off). I've tried all versions of Skeinforge and Slicer - same error in log and no extrision at all.
So I've tried Cure and miracle happened - nice print from first attempt (thanks spooner777 you saved me). I'm curious - what is wrong with RepG settings?
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Just built my Ultimaker, but while doing some primary tests with moving the extruder head in RepG, I notice that the jog values don't work when they go below 0. This means that I cannot move the print bed up above it's position position from when it was turned on. It's not that I cannot move it in one direction, because if I go to 1, I can move back to 0, but not -1. Is this normal behaviour?
What did I miss?
in Third party products & modifications
Posted
Thanks for the input guys! Looks like I'm gonna upgrade the extruder driver (Bertho's at thing:26094). As I understand it I will still need the shim then? From the google groups, thing:24363 looks good.