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  1. Driekes

    Force due to shrinkage

    Ok, Thank you both very much for the replies ! It would be very good if the steel is unaffected or compressed less than .5mm
  2. Driekes

    Force due to shrinkage

    Well our test data show the LDPE ring exerts 5-600 N on the steel ring, which would make it shrink an extra 0,2mm. 0,5 would be to much that`s why I need to calculate the worst case. The LDPE is 3mm thick, the steel 2mm.
  3. Driekes

    Force due to shrinkage

    Hi guys, A (hopefully) simple question but I can`t find a conclusive answer. Let`s say I have a LDPE ring with a steel ring inside. Both are placed in a room at -30°C (coming from +20°C). Because the shrinkage of LDPE is bigger than the shrinkage of steel, the LDPE ring will exert a force on...
  4. Driekes

    Calculating displacement and clamping force

    Hi guys, I`ve been stuck at this for days, maybe time to get some other opinions. I work in the pipe closure industry and for a next project we need a bigger clip to secure our bevelprotectors (ring). A bevelprotecor is something that is placed inside a pipe, where a plug has been installed...

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