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chrisbranson

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Posts posted by chrisbranson

  1. I've already thought of that - problem is, that those axles haven't seen a drop of oil since they got replaced with polymer bearings - which were to be ruined if they got lubed. Even cleaned them of with acetone in advance to re-installing.

     

    When I switched to polymer bearings I also had the same problem - typically this was caused by the polymer bearings binding and as a result moving the black blocks backwards and forwards, usually resulting in the shorter rod working its way forward until it fell out of the printer.

    My solution was similar to the one suggested, but I used these instead: -

    https://www.youmagine.com/designs/slider-block-clip

    I would imagine both could work equally well for you. I'm not 100% sold on using polymer bushings as they do have a habit of binding, but they are quieter and for the moment are working well for me with the block clips.

    • Like 1
  2. Yes, the object is in a compressed height.

    Because a Z-switch error, I had to change the E1 and E2 port. So the Z-axis motor is in the E2 port and I have a customized firmware (tinker).

     

    Extruder motors have different steps per mm than the x/y/z motors - you need to adjust that in your customized firmware for E2.

  3. Funnily enough, I had a very similar issue yesterday too. I'm also using Tinker-MarlinUltimaker2-16.12.1 and have the 3d Solex upgrades you do too, but not the Bondtech feeder.

    My printer's been happily printing all week, some long jobs, some small. Then, on a print yesterday, decided to stop about 1.6mm into a print for no apparent reason - exactly the same as you, print head stopped at a single position, filament oozing out into a blob where the print head was. The only difference was that my display simply said: -

    "ERROR - STOPPED" followed by "Go to ultimaker.com/support".

    I power cycled the printer, restarted the print from scratch, and it ran perfectly for the 4hr print time. I've had the same thing happen just after Christmas, but never before - both errors occurred on the latest Tinker firmware (I upgraded as I was getting the printing outside of area errors on the previous Tinker firmware).

  4.  

     

     

    Look for the file fdmprinter.def.json

    In that file, the default adhesion type is set to 'brim'. Most of the quality profiles for the UM3 do not contain a value for adhesion type, meaning that the default value in fdmprinter definition is used. (I think that only one nylon profile is set to 'raft').

    So if you change that value to 'skirt', in almost all profiles a skirt is applied.

     

    Can I please get more guidance on what exactly needs to change here?  I have tried to make the change as suggested and not gotten it to work.  I am sure I am just changing the wrong thing but am struggling.  

    I am going to sound cranky here but why would anyone in their right mind set a default of brim for PLA?  PLA sticks just fine!  If PVA is being used then brim away...with the PVA!  I love the default profiles but having to remember that brim is on every time I switch something is a real pain in the arse! :-)

    Thanks in advance for helping me!

     

    Open the fdmprinter.def.json file and look for the section "adhesion_type" and change the line: -

                       "default_value": "brim",

    To: -

                       "default_value": "skirt",

    That's the only change I made to that file and now all the default profiles show skirt as the adhesion type by default.

     

    Hmmmm...I am on OSX and when I make that change to the file that is in

    /Applications/Cura.app/Contents/Resources/resources/definitions/fdmprinter.def.json

    it seems to corrupt my setup.  I get a dialog box asking me to add a printer and my two printers that were there are no longer!

    Are you windows or linux?

    Thanks,

    Will

     

    I'm on a Mac too - I did a fresh install of Cura 2.3.1, found that file inside the app and edited it using Atom.

    https://dl.dropboxusercontent.com/u/176278/fdmprinter.def.json

    That's the file I'm using - completely stock from the clean install, but with the default changed to skirt.

  5.  

    Look for the file fdmprinter.def.json

    In that file, the default adhesion type is set to 'brim'. Most of the quality profiles for the UM3 do not contain a value for adhesion type, meaning that the default value in fdmprinter definition is used. (I think that only one nylon profile is set to 'raft').

    So if you change that value to 'skirt', in almost all profiles a skirt is applied.

     

    Can I please get more guidance on what exactly needs to change here?  I have tried to make the change as suggested and not gotten it to work.  I am sure I am just changing the wrong thing but am struggling.  

    I am going to sound cranky here but why would anyone in their right mind set a default of brim for PLA?  PLA sticks just fine!  If PVA is being used then brim away...with the PVA!  I love the default profiles but having to remember that brim is on every time I switch something is a real pain in the arse! :-)

    Thanks in advance for helping me!

     

    Open the fdmprinter.def.json file and look for the section "adhesion_type" and change the line: -

                       "default_value": "brim",

    To: -

                       "default_value": "skirt",

    That's the only change I made to that file and now all the default profiles show skirt as the adhesion type by default.

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