Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: vellingiri
  • Content: Threads
  • Order by date
  1. vellingiri

    No Datum for Form tolerances

    Hi All, Form tolerances does not require Datum refrences. but i have a doubt in this as follows. When we measure the Form tolerance (either Flatness, Straightness etc.) obviously some part feature must be in contact with the Surface table or plate. In this case if the mating part feature with...
  2. vellingiri

    GD & T Rule 1

    Hi All, I understand the GD & T rule 1 & it says Perfect form at MMC, if it is so then Why not perfect form at LMC also for ex. for the shaft dia. of 20 +/- 0.1, the LMC is 19.9 mm If all the element are at LMC of 19.9 mm, then it is also a perfect form ? Is it not ? Please any one clarify...
  3. vellingiri

    Ferrite test done on 1.4462 duplex material for structural application

    My understanding about Duplex S.S is mostly used in pressure vessels. Ferrite content testing is important quality test for its welding because mostly it has to perform in corrosive environment with high thermal stresses. But,we are using Duplex SS (EN std. 1.4462)in rolling stock underframe...
  4. vellingiri

    Ferrite content test on Duplex SS welds for Structural applications

    Hi All, My understanding about Duplex S.S is mostly used in pressure vessels. Ferrite content testing is important quality test for its welding because mostly it has to perform in corrosive environment with high thermal stresses. But,we are using Duplex SS in rolling stock underframe where the...

Part and Inventory Search