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Recent content by icepack

  1. icepack

    pre-NDT paint removal

    the materials are cast nickel aluminum bronze and titanium. the surfaces are machined. the paint is epoxy, and was applied with minimal surface preparation. so i don't think it will be that difficult to remove.
  2. icepack

    pre-NDT paint removal

    I have a painted metal part, recently removed from service, that requires liquid penetrant inspection. I am aware that the paint must be removed, and that the method cannot "smear" the surface such that indications would be covered over by displaced metal. thus abrasive blasting, etc. is not...
  3. icepack

    EDM to repair NDT indications

    I have an expensive, complex machined part with a few minor indications discovered during surface inspection. It has been recommended that these indications can be repaired by EDM. My knowledge of EDM is very limited, and I was curious if this is a fairly common application of EDM.
  4. icepack

    Modified Square Threads

    I have read that a 10 degree modified square thread is more producible than a square thread. The standard ACME thread has a 29 degree included angle. So I am only assuming that an ACME thread is more producible than a 10 degree modified square thread, based on the larger included angle. I...
  5. icepack

    Split Appendix Y Flange

    I have an application where, for maintenance purposes, it is desirable to split the existing flange for frequent removal. Per BPVC Sec VIII Div 1 this is an Appendix Y Cat 2 or 3 flange. It bolts to a relatively rigid foundation. Do the Appendix 2 rules in 2-9 for split loose flanges apply to...
  6. icepack

    Modified Square Threads

    I'm looking for information on 10 degree modified square threads. I need detailed design information - beyond what is in typical sources such as Machinery's Handbook, H28, etc. Such things as clearances at the major and root diameters, tolerances on the lead, etc. Also, applications where...
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