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  1. mfgenggear

    718 Roll Thread Lap Forming

    OP generally precision die holders are designed to hold the thread dies. and generally not adjustable. and require rigid setup. look into flat die thread rolling. much better and easier method. while cylindrical thread rolling works well is done on a cnc lathe. and requires adjustments to...
  2. mfgenggear

    Planetary Gears - Independent Rotation

    op tons of stuff on YouTube. exactly what is the intent. maybe two stage planetary gear set.
  3. mfgenggear

    Transit Connect Transmission Shudder

    OP Look at after market product to replace the valve body, eg next general, research valve body issues on all newer transmissions. HtH
  4. mfgenggear

    Honda Recall - 3.5L main bearing problems

    https://static.nhtsa.gov/odi/tsbs/2025/MC-11018531-0001.pdf
  5. mfgenggear

    LandRover Death wobble

    Well my thoughts are, inadequate meturgy and stiffness of the components. Seems the bean counters cutting cost. Maybe moment is causing yielding of the components.
  6. mfgenggear

    LandRover Death wobble

    I have owned many different vehicles that had high mileage. and never had vibration issues . such as the dreaded death wobble. so what is the diffrence?
  7. mfgenggear

    Honda Recall - 3.5L main bearing problems

    you decide if factual
  8. mfgenggear

    Welded together baseplate

    Agreed
  9. mfgenggear

    LandRover Death wobble

    So should of had a front end inspected, R and R
  10. mfgenggear

    LandRover Death wobble

    so this an interesting subject. as i once purchased a used 2006 jeep with very low miles. question! is this an inherent design flaw? is it due to the forces , vibration, excessive wear, not robust enough to prevent radical vibration.? I had two option complete rebuild of the front end with...
  11. mfgenggear

    Heat treatment of 17-4PH separately cast specimens

    OP I have no recommendations in mexico.
  12. mfgenggear

    Heat treatment of 17-4PH separately cast specimens

    H925 according to the spec is equivalent 38-45 Hrc , this is the approach I would take, make the test specimen same as the wall thickness, after heat treat machine to correct size for testing. that hardness is easily machined with out compromising. run the parts with test specimens. discuss...
  13. mfgenggear

    Heat treatment of 17-4PH separately cast specimens

    Op That is ridiculous. Find an other supplier. Get 3 quotes. And the part about stressing the coupons is nonsense. What is the wall thickness of the casting. Plus what is the time and temperature. , what pops in my head one hour per inch.
  14. mfgenggear

    Heat treatment of 17-4PH separately cast specimens

    Sure , the other option and expensive is to scrap a part. Machine test sample from it. That needs to be quoted in . However how big and expensive?
  15. mfgenggear

    Regarding expanded metal sheets

    it may depend on hieght and application. and cost.
  16. mfgenggear

    Heat treatment of 17-4PH separately cast specimens

    OP it depends, if it is finished surface or if there is stock removal, for machining. even if not required follow the AMS 2759/3 procedures. finished surface in a Vacuum, or inert atmosphere. prevent oxidation. precipitation harden. run with specimens for testing.
  17. mfgenggear

    Clamping systems on aida hydraulic presses question

    Have tried discussing with a manufacture or a machinery rebuilder , not my specialty and don't have a clue. But doesn't sound correct.
  18. mfgenggear

    Shell forming method with low out of roundness for thin shell

    Op This an other option Ring expander https://beckwoodpress.com/triform-presses-old/ring-expanders/
  19. mfgenggear

    Dual Dimension for Part Volume

    Agreed
  20. mfgenggear

    Shell forming method with low out of roundness for thin shell

    What it becomes is how much money one wants to spend. And what they can really live with. Stations on large aircraft and large missiles where held to ÷/_ ,001 length. There was comment once said Don't tell me the odds. .

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