Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations cowski 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: joejack7
  • Content: Threads
  • Order by date
  1. joejack7

    Flatness relative to part thickness?

    I have a composite structure or panel that is somewhat large in size. Design engineering is trying to control the bow or warp of these parts with a flatness callout. How can I use a CMM to measure the flatness or warp of the part with respect to a surface plate? If I take points on top of the...
  2. joejack7

    Surface Profile with One datum reference - Legal?

    I am a Manufacturing Engineer struggling with the interpretation of our design group as it seems they constantly push the boundaries of what my concepts of GD&T, and interpretations are. As for the question... I have a standard panel part with a thickness. This part has several holes and a...
  3. joejack7

    How to measure composite positional tolerance?

    What is the best way to measure/inspect a stacked or composite positional tolerance block? For instance... .016 TP |A|B|C| and then .005 TP |A|
  4. joejack7

    Weld Stud, Titanium

    Need some help on this one? We are trying to create a weld stud on .012" thick titanium, grade 3 or 4. We have a weld stud gun but contiuously keep blowing thru the metal. Also some of our weld studs are stainless steel. Does this pose a problem with different metals? Also is cleaniness an...
  5. joejack7

    Profile of surface callout on an internal feature?

    I have a drawing that has a profile of a surface callout for potting material that is filling honeycomb core. The potting material is an edge-fill that will be machined to net size. Anyhow the callout is for the internal edge of the the potted "track in the honeycomb" If this is in fact, not...
  6. joejack7

    Welding/Joining thin sheets of Titanium

    Hi all, Just looking for solutions to welding .014" thin sheets of titanium, (grade 2 or 3). Is this possible? What are the methods ie. laser, adhesive etc...? Our problem stems from the fact that we cannot purchase .014" titanium at the desired widths of 36" or greater...so we are looking...
  7. joejack7

    True Position and Datum requirements

    I need some justification on this one... Our design group has released a drawing with a hole pattern on a sheet of honeycomb core. The requirement of the holes is TP of .250 LMC relative to Datum 'A' only. Datum 'A' is the planar surface of the honeycomb. My question is... In controlling...

Part and Inventory Search