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umagi

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3D Print posted by umagi

  1. Dial gauge indicator mount for UM2

    In order to check the quality of my bed leveling (seem to have trouble when printing close to one edge of the bed), I made this mount for my digital dial indicator. Initial measurements seem to indicate that my 6mm shafts may be bent somewhat.
    Since my dial's shaft is too short, I used an extension shaft salvaged from an old CD-ROM player, together with one of its slide bearings.
    First, I was hoping to be able to use the unused nozzle opening to pass the dial shaft (or its extension part), but unfortunately, I couldn't find an easy way to secure the slide bearing to firmly hold the extension shaft in place. I therefore mounted it on the outside of the printhead.
    The whole thing works well, although I should have made the upper support part a little bit sturdier.
    My next step is to build a data interface for the dial gauge so that I can send the measurement data directly to my computer, e.g. to make a 3D map of my bed leveling, e.g. as in:
    https://hackaday.io/project/511/logs
    Overkill, but just for my personal experimentation...
    PS. The picture also shows my uggly Bowden tube clamp. Uglly, but seems to work in holding my bowden tube in.

    1,894 downloads

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  2. Bowden tube clamp for the UM2 extruder feeder

    I made this to prevent the bowden tube from popping out of the feeder. For some reason on my self-built printer, this usually happens during the print of the first layer (starting with the brim).
    Since the tube is pushed out with quite some force, I resorted to this design, which combines the function of the shoehorse clip (to lift the ring fitting) and of a 25mm clamp, which squeezes the bowden tube to hold it firmly in place.
    The design is for a 4mm external diameter bowden tube (1.75mm diameter filament).

    1,278 downloads

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