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  1. robmit

    Foundations for testing equipment

    I need help with installing and placing two testing machines. First, it's a Charpy pendulum, weight of the pendulum hammer approx. 20kg. I have found several informations, besides specifications, but any further reading might help. The second, a 300kN universal testing machine, fatigue testing...
  2. robmit

    Carbon fiber bone plate

    Thank you for your advice.
  3. robmit

    Carbon fiber bone plate

    I am trying to make several carbon fiber/epoxy bone plates (fracture fixation devices) for some tests, but I am lost. I have searched for a "recipe" to start with, but no avail. I am interested in some basic information, like: how many plies are necessary, the resin/fiber ratio, the usual...
  4. robmit

    REICHERTER BRIVISKOP 187,5H User Manual

    Yes, I did. Got back an automated repply each time.
  5. robmit

    REICHERTER BRIVISKOP 187,5H User Manual

    I recently found a Reicherter Briviskop 187,5H, unused for several decades. This device, a hardness tester, still works, and with some maintainance I hope to get it working again. The main problem, i cannot find an user manual, and, since it's an old device, made in 1977, I failed to retrieve it...
  6. robmit

    Hydraulic grips clamping force

    The cause was a faulty electrovalve in the gripping mechanism, at least so it seems. Thank you all for the sugestions.
  7. robmit

    Hydraulic grips clamping force

    Back with more info: The machine it's a hydraulic 300kN testing machine. All sample can and are fixed within grips, but, after test is started, at different load(10-15kN) values, for steel samples the test stops, claiming that a break was detected. The sample did not break. Bellow are some...
  8. robmit

    Hydraulic grips clamping force

    Hello there, I've got a problem regarding the clamping force on hydraulic grips on a universal testing machine. For aluminium alloys works fine, but when i try on steel, it fails maintaining the clamping force on the grips. The question: are there specifications regarding clamping forces for...

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