3D Printer Early attempts

Discussion in 'Workshop Benches' started by Colin_W, Nov 13, 2019.

  1. Colin_W

    Colin_W Full Member

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    Wow! thanks guys, nice surprise :redface:
    Using ABS at the moment Paul, Acetone slurry and steel pins do a half decent job on sticking things together :)
     
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  2. Colin_W

    Colin_W Full Member

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    Paul as an after thought is the plumbers glue for ABS or the white PVC?
     
  3. paul_l

    paul_l Staff Member Administrator

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    Hi Colin

    Looks like ABS glue - Floplast Solvent Cement

    upload_2020-7-13_22-7-56.png

    Give your ABS slurry a try as the cement for the PLA.

    MEK should work well for ABS as well as a glue.

    Paul
     
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  4. Andy_Sollis

    Andy_Sollis Full Member

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    Gearbox? Oh... I’m still working on mine. Got it going nicely..... slow start and slow down... if only I could get rid of the backlash!

    I’m thinking about a bigger motor and maybe a bearing for the deck in that power collar?
     
  5. Colin_W

    Colin_W Full Member

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    Hi Andy can show you mine if you are interested maybe a new topic though? I took some pics during the development, still some programming to do etc. might be nice to have someone to bounce ideas off of. I have fitted bearings in the base and in the motor housing. I have repaired a Peco TT for the my club but obviously haven't had time to fit/test it. It may yet come back under scrutiny. My own is a prototype due to the size I needed and I also need to sort the electronics as I have used an 8825 driver board. Thing is it needs about 7.5v to allow it to drive the motor and the motor gets hot. I will have to program it to disable the motor when not in use to keep it cool. Mine field at the moment but there are lots of clever guys out there :hammer:
    Col
     
    Last edited: Jul 13, 2020
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  6. Andy_Sollis

    Andy_Sollis Full Member

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    That sounds quite interesting Col.
    I’ve not come across the heat issue, but then I’m using the starter motor, not the bigger one. That said, I’m wondering about going to that.
    I wonder if the motor can go off on a time delay? Say give it 2 mins after last movement (as suspect it helps holding the deck when loading/offloading a loco)

    I need to work on some kind of “home” to index.
    Not sure if to do a rotary switch or just on off.. if I upgraded.
     
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  7. Colin_W

    Colin_W Full Member

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    Hi Andy, going to be off the grid for a few days but will give you a shout when I get back and we can have a chat :thumbup:.

    Col
     
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  8. Andy_Sollis

    Andy_Sollis Full Member

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    Ok.
     
  9. ianvolvo46

    ianvolvo46 Staff Member Moderator

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    Worthy potw Colin :tophat::tophat:
     
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  10. Colin_W

    Colin_W Full Member

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    Thanks Ian
     
  11. Colin_W

    Colin_W Full Member

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    Finally got a bit of paint on :lol:
     

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