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Recent content by myates

  1. myates

    Micro hardness testing

    The 17-4 part just needs to be harder than the 304 stainless hypo tube it comes in contact with. These parts are too expensive for us to just be scrapping a bunch because somewhere down the line someone didn't heat treat the 17-4 properly and we don't find out until we wasted the time on...
  2. myates

    Micro hardness testing

    Thanks, that file set should work great. It should give us a good go/no-go gauge to quickly test these parts before production.
  3. myates

    Micro hardness testing

    I am trying to find a solution to somehow test the hardness of some very small parts. These parts a basically a 4" piece of 17-4 wire with a diameter of 0.010". There does not need to be any certified testing equipment needed. All that is needed is a way to quickly analyze the hardness of each...
  4. myates

    Looking for a manufacturer

    Hi, I am looking for a manufacturer that already makes this part: I know there are multiple companies that make this type of part, I just need to find one. It is just an injection molded part, but I need to be able to get different sizes. Can anyone help me out and direct me to the correct...
  5. myates

    Autoclaving Carbon Fiber

    Hello, I am having a dilemma with autoclaving some round carbon fiber handles, and I am just looking for some direction or solutions. The handle is autoclaved in an autoclavable container, with a lid sitting in such a way it is securely pressing down on one spot of the handle. After a 15...
  6. myates

    Polypropylene molding

    I have tried looking for some manufactured PP fiber, but I have not stumbled upon any. Maybe I am not sure what to look for exactly. Could you point me in the right direction where it is readily available? Thanks
  7. myates

    Polypropylene molding

    I will have to abandon the polypropylene suture molding idea. I was not having much luck in getting the result I wanted. They did look pretty awesome though. On the bright side, after further searching I was able to find a handful of micro molders, in which some are specific to the medical...
  8. myates

    Polypropylene molding

    I was aware of the suture's molecular orientation, and it was very stringy when working with it, but I was hoping that with heating it to its molding temperature it would want to keep the shape I put it in. I was even able to melt the suture, which just ended up shriveling up and melting away...
  9. myates

    Polypropylene molding

    Hi, I have been experimenting with "molding" polypropylene. I have been using a polypropylene suture material that is 0.010" and 0.007" in diameter. I have been tightly wrapping the suture around a fixture I made and then heating it in the oven to about 350 degrees F to keep its shape when...
  10. myates

    Odd shaped "gasket" ring help

    It is a stand alone part that will eventually be used in a surgical procedure, so the least amount of edges would be ideal. However, if making it square edged is the only way to make it then we may have to go that route. It cannot be two dimensional but it could be a good starting point because...
  11. myates

    Odd shaped "gasket" ring help

    Apple Rubber no quoted us. We are not sure if it is because of the quantities or because of the complex shape. We may be able to create a mold here, but we do not have a CNC so it will have to be by hand. We should be able to figure something out though. Thanks!
  12. myates

    Odd shaped "gasket" ring help

    Thanks for the suggestions. I have talked to a few companies like these guys and they all just wish me luck and send me on my way. This design is just too complicated to tool a mold for. Does anyone know any alternatives to creating a small silicone part with a complex shape?
  13. myates

    Odd shaped "gasket" ring help

    I am designing a "gasket" ring for my company and I am having trouble finding a vendor to quote what I need. Unfortunately I can't disclose any major details but I will do my best in describing it. It is approximately 0.29" in diamter, 0.01" thick ring. There are "notches" at certain...
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