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  1. dogboy74

    Dust/debris in my vacuum pump lines

    Yea, it's just a little vacuum system and I don't see how I could put that giant dust thingy in the line. I put it back together today so I could get back on with my work but I need to get a filter in there sometime soon. It's a major pain taking it apart and getting it back together sucks just...
  2. dogboy74

    Dust/debris in my vacuum pump lines

    Does anyone know how the filter in the pic above I provided works? Does the air intake get forced down into the mesh strainer through bend in the tube inside is it just straight across and uses gravity to trap whatever comes in as it falls down?
  3. dogboy74

    Dust/debris in my vacuum pump lines

    Thanks for all the ideas. There is definitely plaster dust size particles along with sand size and maybe slightly larger but fine dust would be a factor. The shellac is a pretty novel idea and I think would help at least reduce a large portion of this.
  4. dogboy74

    Dust/debris in my vacuum pump lines

    Hi- Apologies if this is in the wrong sub. I have a little vacuum pump system I use for to vacuum-form plastic over plaster models. My problem is that after a while tiny bits of plaster from the models gets pulled into the system and clogs it up. I just tore everything apart and cleared it out...
  5. dogboy74

    Tennis Ball Feeder Funnel

    I will decrease the side to side slope to decrease the ball friction and also increase the front to back slope somehow.
  6. dogboy74

    Tennis Ball Feeder Funnel

    Yikes, this has been a major thorn in my side. I made a new prototype that was a disaster again. I do believe I need to adjust my slope from back to front to make it steeper, it just complicates things a bit as I have to find a way to attach it to the machine. Also, I may need to adjust the...
  7. dogboy74

    Tennis Ball Feeder Funnel

    Thanks everyone. The v platform sounds like a winner. I will create one and report back.
  8. dogboy74

    Tennis Ball Feeder Funnel

    Hi- Sorry if this isn't the most appropriate sub for my question. We have this automatic baseball [link...
  9. dogboy74

    Creating a clamping device

    Good ideas, thx!
  10. dogboy74

    Creating a clamping device

    The upper left pic the bottom half of an articulated brace upside down with orange electric tape wrapped around the warmed up tread. Bottom left is how it comes out after it’s cooled. Then it gets trimmed and glued on the brace. The pic on the upper right is the brace now I think it will be...
  11. dogboy74

    Creating a clamping device

    Thanks everyone. I’ll get some photos and post them to make things more clear when I get a chance.
  12. dogboy74

    Creating a clamping device

    Hi- I hope this is OK to post here. I board certified prosthetist and orthotist that makes custom braces and artificial limbs for kids. A lot of the stuff we use in the lab is homegrown and I am trying to make a clamp to hold a brace so that we can vacuum form tread on the bottom of it. I am...

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