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Recent content by kevingeneer

  1. kevingeneer

    Short thread engagement using oversized bolt

    Thank you for all of these ideas, this is very helpful. I was originally thinking of using a shorter thread length, and a slightly longer pitch that matches the larger bolt size. I will have to look into using a special extra long pitch or double lead fastener. Thanks!
  2. kevingeneer

    Short thread engagement using oversized bolt

    rb1957, it is desired to maintain the compression that the bolt provides. The part is basically a cap that is bolted onto the end of a round post. The cap fits loosely over the post, and currently the tighten bolt holds everything in place.
  3. kevingeneer

    Short thread engagement using oversized bolt

    I'm thinking its not a problem because as long as the combination of large diameter and short engagement gives me a big enough shear area to support the load, then the threads wont fail and it doesn't matter that the bolt is so strong. Although this means that the bolt will not be preloaded to...
  4. kevingeneer

    Short thread engagement using oversized bolt

    Hello, I am trying to redesign a bolted joint to make it faster to install. Currently we use a properly sized bolt that has a thread engagement of around 1.5 diameters but it is desired to make it faster to install this bolt. I am thinking what if you use an over sized bolt so you could...
  5. kevingeneer

    Calculating RPM of water turbine given inlet head

    Hello, I am trying to design an axial water turbine that extracts a small amount of energy from the water passing through it. The water will need energy to go through a nozzle with some velocity after the turbine, for another purpose. I want to design the turbine parameters to achieve a...
  6. kevingeneer

    Max torque on radial screws in single shear?

    Thanks for the prompt reply! This is helpful.
  7. kevingeneer

    Max torque on radial screws in single shear?

    Hello, I am trying to attach a round nylon part to a hollow steel tube using radial screws. I have attached an image showing the set up. There is a torque applied to the round plastic part, and the screws keep it attached to the steel cylinder and prevent the plastic part from spinning. To...

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