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Recent content by weatherbird

  1. weatherbird

    Finding the elastic limit in a cantilever beam

    This is not a homework assignment, but rather a task given to me with very little time to complete it due to other irons in the fire. The material is SAE 4150 the is hardened to 58 Rockwell. Although I do work for a brick manufacturer, I am actually part of a division that designs and builds...
  2. weatherbird

    Finding the elastic limit in a cantilever beam

    I have a problem where I have a structural member modeled as a cantilever beam. I have all the material specs for the material being used. I can calculate the deflection and reactions, but what I am looking for is the force required to reach the elastic limit of the material. In other words I...
  3. weatherbird

    low pressure air

    It is guage pressure. This pressure is being put to a 3/4" port on my device. Is it possible to reduced compressed air down to these pressures without high dollar regulators?
  4. weatherbird

    low pressure air

    I need to test some equipment that I am building, and to do so, I need to use air at 2 to 14 oz of pressure. I also need to be able to control and measure that air pressure. What is the best and cheapest way to acheive this. I have looked into regulating compressed air, but can't find exactly...
  5. weatherbird

    vacuum hood design

    The air knife idea didn't work. The tapered tube may end up being my best option. However, to equal out the areas requires the slot to be much to small to pick up the particles required. If anyone has any other ideas to either aid the previous ideas, or a completely new idea, please let me...
  6. weatherbird

    vacuum hood design

    Thanks for the help.
  7. weatherbird

    vacuum hood design

    I just have to remove these particles from the surface. The idea was to build a hood that would suck the particles off the surface. I can do so with a moderate hood design and a hi-vac system. But it is about 1/4 the cost to use a dust collector, if I can just find a way to get the particles...
  8. weatherbird

    vacuum hood design

    I am working on designing a vacuum hood for cleaning sand, coal ash, and brick chips. A dust collector system is the preferred way of cleaning, but I have to design a hood to create enough vacuum to pick up the particles as it sweeps over an uneven surface. I have to have at least a 5/8"...

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