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  1. #11
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    Quote Originally Posted by bolsoncerrado View Post
    Tomorrow i come Home, saturday i can Tell more, first without heatbed, when up and running than ill order the capton hb

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    There... Naked... _20200228_191331.JPG

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    Sadly the Display wont be able to fit, but lil trimming will Do the Job... _20200228_192341.JPG

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    Now is time to steal some parts.... _20200228_194253.JPG

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    Should i put a4988 or drv8825 for extruder and z?...

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    X and y will be driven by tmc2208 in uart...

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    I need some advice how to take the print head apart...
    Without breaking it

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    _20200228_205535.JPG

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    So point of interest finally at Hand _20200228_212219.JPG

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    Each heater gets connected Like so.. _20200228_213421.JPG

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    Tomorrow ill hopefully have the time to make the cabling
    Last edited by razor81; 03-09-2020 at 02:24 PM.

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  3. #12
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    Any worries about increased current from the reduced heater voltage?

    Snubbers on Z, definitely; filament motors - probably not.

  4. #13
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    Filament motor are getting trashed, IT becomes full size nema with titan extruders...

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    I also cant find the Info for the heaters... 24 or 12v?

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    Can someone measure, my cube is taken apart... Would be the 1&2, or 2&3 wire on the White connector, when contacts facing down

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    Im Not sure ob it takes 24v or 12v... The part cooling Fans run at 5v,heatblock cooling at 12v

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    Will probably have to put IT together to try... That takes too much time

  5. #14
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    You can count on it being 24 volts for least current through those small connectors. Basically line level with maybe a FET inline. Check the power supply spec.

  6. #15
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    Ok thanks, i have no special Electronics knowledge... More questions are to come...

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    I learn on the fly so To say...

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    HE wired... _20200229_110748.JPG

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    Stock thermistors up and running...
    _20200229_140302.JPG_20200229_140331.JPG

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    Heaters work too, but they always fire up together... Gonna Lose the Thermostat... _20200229_141119.JPG

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    _20200229_141234.JPG

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    Now i have the heaters figured out...
    I have Bypassed the Thermostat and wired the heaters directly to the Board, tested x Motor at 24V with tmc2208 you cant hear the x move... So its going to be silent and very fast lil printer...

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    Will Post Update tomorrow, hopefully i will get IT up and running

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  8. #16
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    Silencing the Cube3 is the most tempting element in this upgrade. I was hoping to implement the TMC2206 on the stock motherboard.

  9. #17
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    I have only played with x axis for now, and you virtually cant hear IT... I have tmc2208 on x and y, drv8825 on z and both extruders while they dont move So fast there should not come much noise from

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    Have another Set of tmc2208 coming in march

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    I will try tomorrow to print your nozzle holders with petg and pla

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    Do you happen to know what is the nozzle diameter?

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    I think on the stock cube the most noise comes from the bed table Plastik assembly, loose that and its gonna be 20% silenced

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    Does someone need the Chips from cartridges?
    Have 1xABS 98%,1xABS New, 2XPLA new

  10. #18
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    I think 0.40 is what we've settled on.

    What are you doing about temperature read-backs for now?
    Last edited by TommyDee; 03-01-2020 at 01:46 AM.

  11. #19
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    The thermistors are Set in marlin as 200k 4,7k pullup, the wires that go to Thermostat are heater -24v so without the Thermostat im able to control the L and R temperature indepedably...
    The thermistors are +-1c correct

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    Ill Post some Fotos later

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    Ill have to mount some endstops (reuse the extruder head switch es) and integate the Board and Provide active cooling for the Board (ill use the extruder Fan for that)

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    Maybe integrate some neopixel LEDs for fancyness
    The skr 1.4 has dadicated neopixel control output...

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    The hotbed will be a Projekt for itself, probably go for independently powered one

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    The Main "Problem" will be squezzing the Board in

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    Front with lcd mounted... _20200301_112457.JPG

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    _20200301_112815.JPG
    Hotglued in...

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    Managed to squezze the Board inside...

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    _20200301_153150.JPG_20200301_153218.JPG

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    Extruders on the back... _20200301_163351.JPG

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  13. #20
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    Love the integration of the screen! Nice work indeed. I have no idea on the thermister. I forgot that you have the choice of dialing that in. I know Cubify uses 5 degree increments for their slicer.

 

 

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