Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

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

Recent content by DaveBNY

  1. DaveBNY

    Correct Method to Measure TIR

    If you have Datum A held by an expandable arbor how can you check Datum A, you have to assume Datum A is perfect correct? Also. from what I have been able to determine, a CMM cannot check TIR correctly, so that method is out. I just want to make sure that the parts are good. We have been...
  2. DaveBNY

    Correct Method to Measure TIR

    Datum A is one ID, Datum B is the other ID, each being a cylinder about .200 long in the ID. The OD is not a Datum.
  3. DaveBNY

    Correct Method to Measure TIR

    No please, be nit-picky. I don't want to leave out a detail and get the wrong information. Here is how it is on the print Sorry for the large size. This is Datum B. The ID's are .7500 =.0002 - .0001, the OD is 1.500 +- .001
  4. DaveBNY

    Correct Method to Measure TIR

    Hello, I have a question regarding the correct method to measure TIR on 2 ID's of a cylindrical part. From what I was taught and from what I believe is defined in ANSI Y-14.5, the correct way to measure the TIR on such a part is to place the part in a V-Block with an indicator on each ID and...
See more

Part and Inventory Search

Back
Top Bottom