2-Axis cable-activated leak free pipe joint in Solidworks

  • Status: Pending
  • Præmier: $100
  • Modtagne indlæg: 1
  • Vinder: VasilVD

Konkurrence Instruktioner

We need a flexible 2-axis pipe/tube joint that is actuated by cable and electric motors. I'm attaching a simplified image of the basic idea. We will judge the bids based on sketch entries. The winning bid will need to provide the final design in Solidworks. The design should be be leak free and ideally would be comprised of commercial, off the shelf parts wherever possible.

I have added a couple of photos that give examples of 2-axis joints. The joystick obviously isn't piping but it has the joint/motion that we would like to reproduce. The other joint picture isn't actuated but is gives another concept of how the motion of the joint can work.

Also, the fluid (water based) should not be contaminated by the joint material.

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  • ArixCuirax
    ArixCuirax
    • 3 uger siden

    Can you please advise the following additional information as well?

    a) The maximum and minimum elevation angle.

    b) The maximum angle of rotation.

    c) The pressure that must be withstood.

    d) How you intend to have the cables connected? Or should we use a pulley system? Will a tensioner be required as well?

    e) What sort of mounting you would like on the input and output

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      Hi,
      - Regarding the axes, as mentioned below, only one axis needs to be 360°, the other axis can be 90°-180°.
      - Regarding the pressure, we don't have the exact pressure yet but it will likely be less than a water faucet. If you design for typical water faucet pressure, it will be fine.
      - Our plan is to connect the cables via electric motor and pulley. A tensioner won't be required. The joint that rotates 360° can be driven by a belt.
      - Mounting on the input and output is up to you. We will build our system around this joint. We will modify the mounting once we have fixed our design.

      • 3 uger siden
  • Yashaswi26
    Yashaswi26
    • 3 uger siden

    Is 360° rotation required on both axes?

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      Hi,
      No, 360° is not needed on both axes. 360° is fine for one axis and that axis can be belt driven. The other axis can be less than 180° (>90° is better).

      • 3 uger siden
  • VasilVD
    VasilVD
    • 3 uger siden

    Hi there! Could you please advise what are the working pressure, the flow rate, and the working media type (air/ hydraulic/ coolant) ? Many thanks.

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      The media type is a water-based solution. We don't have the working pressure or flow rate yet...but it will be "fairly low"--equal or less than water coming out of a water faucet (most likely less).

      • 3 uger siden
  • VKarmaa
    VKarmaa
    • 3 uger siden

    working on it...

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      Hi Navodit,
      Thank you. I look forward to seeing your deign. Please let me know if you need more information.

      • 3 uger siden
  • schand0337
    schand0337
    • 3 uger siden

    Hi, I have an idea for this joint, but I am using a cloud based Designing Software called Onshape. It is also developed by Solidworks team Only. By using this software I can share you the design in various formats like STEP (.step) AP203 and AP214, SOLIDWORKS (.sldprt) 2004, IGES (.igs or .iges) 5.3, Parasolid B-rep (.x_t or .x_b) from v25 to v29, STL, PDF,, etc.

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      Hi Chandbasha,
      Onshape is fine. You can submit your proposal as image files or pdf, etc, and if I award you the project you can export the final design as sldpart.

      • 3 uger siden
  • badrhadid115
    badrhadid115
    • 3 uger siden

    Can you provide more details about the project (a clearer representation of the mechanism, dimensions, examples of existing mechanisms...)

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      Hi Badr,
      I will upload a couple of pictures that might better show what I'm trying to do.

      • 3 uger siden
  • burakkbala
    burakkbala
    • 3 uger siden

    Is there any information about dimensions?

    • 3 uger siden
    1. OpenThoughts
      Konkurrenceafholder
      • 3 uger siden

      Hi Burak,
      The pipe can be 1/4" pipe (6.5mm). Ideally the design would be as compact as possible.

      • 3 uger siden

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