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  • Page 2 of 2 FirstFirst 12
    Results 21 to 32 of 32

    Thread: Rotating Drum Filter For all.

    1. #21
      nil13 is offline Member
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      If it's a drop in, the drum just needs a bearing frame instead of a big bulky box. The IBC is the box.

    2. #22
      jnegr is offline Junior Member
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      Very nice following since I want to install an RDF but the prices are a bit high right now.

    3. #23
      LynxDK is offline Junior Member
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      Quote Originally Posted by nil13 View Post
      If it's a drop in, the drum just needs a bearing frame instead of a big bulky box. The IBC is the box.
      Yea i know, that was accually my first design, problem was that its really annoying that it couldnt stand by itself when testing, plus the stainless steel mesh is not protected when moving it around. and the cost for making the high sides instead of the simple design is really next to nothing, plus it makes it way more sturdy.

      Quote Originally Posted by jnegr View Post
      Very nice following since I want to install an RDF but the prices are a bit high right now.
      Yea i know, same reason why i thought it was time to see if i could offer a less expensive option.
      one thing i allready found out tho, is that the RDF's that is around now, seems to be way to big in sizes, comparing to whats needed.

    4. #24
      onlycrimson is offline Senior Member
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      Very cool! Following this as I may want to build one in a couple years for my new pond.

    5. #25
      jnegr is offline Junior Member
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      Quote Originally Posted by LynxDK View Post
      Yea i know, that was accually my first design, problem was that its really annoying that it couldnt stand by itself when testing, plus the stainless steel mesh is not protected when moving it around. and the cost for making the high sides instead of the simple design is really next to nothing, plus it makes it way more sturdy.



      Yea i know, same reason why i thought it was time to see if i could offer a less expensive option.
      one thing i allready found out tho, is that the RDF's that is around now, seems to be way to big in sizes, comparing to whats needed.
      I feel the same way, they are just too big.

    6. #26
      jnegr is offline Junior Member
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      Quote Originally Posted by LynxDK View Post
      Yea i know, that was accually my first design, problem was that its really annoying that it couldnt stand by itself when testing, plus the stainless steel mesh is not protected when moving it around. and the cost for making the high sides instead of the simple design is really next to nothing, plus it makes it way more sturdy.



      Yea i know, same reason why i thought it was time to see if i could offer a less expensive option.
      one thing i allready found out tho, is that the RDF's that is around now, seems to be way to big in sizes, comparing to whats needed.
      I feel the same way, they are just too big.

    7. #27
      Sartorius is offline Junior Member
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      Very interesting idea to print RDF
      Are you going to share files, I would attempt to print it myself?

    8. #28
      LynxDK is offline Junior Member
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      Quote Originally Posted by Sartorius View Post
      Very interesting idea to print RDF
      Are you going to share files, I would attempt to print it myself?
      Well after the filter have been running for a while, the bigger 3D prints that is under some sort of stress, such as the connections for inlets, are bending from the pressure of the steel fastener, and its problaly happening because we have an Abnormal hot summer this yea. Which is good, because this is the kind of things i want to discover under the tests

      So to answer your question, then no, because now its not too many pieces that will be 3D Printed, and the size of the prints that is going to be printed, is very big.
      So the rest of the RDF will be CNC Cut, and the parts that cant be printed, will be Cast.
      As this setup is combined of this many things, im going to offer it as a DIY Assemble Kit.
      And its going to be cost effective, dont worry

      However... i need to have it running alot more, plus i have 2 more volentary testers, that will test some problaly bigger versions of this.

    9. #29
      BWG is offline Senior Member
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      3D plastics are good for rapid prototypes and unusual toy objects but very limited with what production plastic parts can be built that won't shrink and distort. I've seen new plastic injection and blow molds reworked several times before the final product tollerances were achieved after product aging and shrinkage. I've also seen several 3D plastic demonstration pieces set out for display that had warped over time.
      Last edited by BWG; 4 Days Ago at 10:19 AM.

    10. #30
      LynxDK is offline Junior Member
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      Quote Originally Posted by BWG View Post
      3D plastics are good for rapid prototypes and unusual toy objects but very limited with what production plastic parts can be built that won't shrink and distort. I've seen new plastic injection and blow molds reworked several times before the final product tollerances were achieved after product aging and shrinkage. I've also seen several 3D plastic demonstration pieces set out for display that had warped over time.
      Correct, However there is a big difference in 3D plastic materials. And it only the parts under heavy stress that are getting deformed due to heat.

      there is other perspectives to look at here, im going to do the 3D parts to keep the cost down on certain objects. so by using them where they can, we can offer a cheap product compared to whats on the marked right now.

      And lets say that after 3 years a 3D printed part might break, a replacement part will be very cheap, fast and easy to replace. Thats the entire idea with this project, to keep prices down

      Just for information, heres what 3D printed right now.
      the motor Mount.
      The motor Gear.
      The gear-ring on the drum.
      The ribs keeping the drum together.
      The locking/assembly bars on the outside of the drum.
      The corners on the outer cabinet.
      The inlet pipe Flange.
      The Control unit casing.
      The Wastetray and Pipe Flange.
      Several Small spacers.

      And its the 2 Pipe Flanges that are getting deformed because of the Stainless Clamps holding the rubber connectors around them.
      The unit is also sitting directly in the sun all day, which is part of my test

    11. #31
      nil13 is offline Member
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      Maybe glue a short piece of pipe into the flange and then fernco to that instead of directly to the flange.

    12. #32
      LynxDK is offline Junior Member
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      Quote Originally Posted by nil13 View Post
      Maybe glue a short piece of pipe into the flange and then fernco to that instead of directly to the flange.
      That is accually not a bad idea thanks

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