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  • Users: Pete_K
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  1. Pete_K

    Hardness testing of thin Inconel.

    Hello, and thanks in advance for reading. We have parts that are made from thin (0.003" and 0.004") Inconel X-750. This material is heat-treated, but we have no inspection criteria other than time/temp charts due to the difficulty in testing hardness of material this thin. There is a lab we...
  2. Pete_K

    Degreaser for use with Carbon Fiber Sleeve

    Hello, I'm working on a project where we have a permanent magnet motor/generator...the stator and rotor are components that we integrate into our machine. The rotor is comprised of magnets with a carbon fiber outer sleeve. The vendor has given the following material information to us: CFRP...
  3. Pete_K

    Interpreting Modbus to Voltage

    I have what I think should be an easy problem to fix, but I am an ME whose controls experience unfortunately is confined to a former employer's proprietary language, and have only minimal experience with typical commercial PLC's As part of a system we're developing, there is a purchased control...
  4. Pete_K

    Interpretation of BTH-1-2017 re: Lifting Magnets

    This is cross-posted in Mechanical Engineering Other Topics. In BTH-1-2017, Section 3-1.2, there is this language about lifting magnets: "The loads used in the design of the structural and mechanical components of a lifting magnet shall be derived based on the maximum breakaway force of the...
  5. Pete_K

    Interpretation of BTH-1-2017 re: Lifting Magnets

    This will be cross-posted in Structural Engineering Other Topics. In BTH-1-2017, Section 3-1.2, there is this language about lifting magnets: "The loads used in the design of the structural and mechanical components of a lifting magnet shall be derived based on the maximum breakaway force of...
  6. Pete_K

    Press Tie Rod Nut as Projectile

    A customer of ours asked us to look into something for them. They have a number of large presses. The presses have large bases at either end, tie rods connecting the bases, and a large hydraulic cylinder which creates a rather large separating force. They infrequently experience failures of...
  7. Pete_K

    Question on S/S Galling

    i've been scouring the internet but have not found info on the exact scenario i am dealing with. I have a drum which rides on a central shaft. The hubs that ride on the shaft move axially along the shaft up to .5" due to expansion of the drum, so there is relative motion between the hubs and...
  8. Pete_K

    Question, Chilled Water Tank Sizing

    Hi All, First, if this question should be somewhere else, please let me know...i am new to this forum. I'm doing work for a customer on a piping system upgrade. The system supplies chilled water (~60 F) from an open tank to molding machines, and returns the water to a partitioned side of the...
  9. Pete_K

    Question, Chilled Water Tank Sizing

    Hi All, First, if this question should be somewhere else, please let me know...i am new to this forum. I'm doing work for a customer on a piping system upgrade. The system supplies chilled water (~60 F) from an open tank to molding machines, and returns the water to a partitioned side of the...

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