×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

GD&T Rectangular Fabric

GD&T Rectangular Fabric

GD&T Rectangular Fabric

(OP)
Has anybody had to dimension a rectangular piece of fabric with holes in it? If so, what sort of methods did you use to specify the appropriate dimensional control? For instance, overall size and positional tolerance on the holes.

RE: GD&T Rectangular Fabric

SaberRaide,

   Once you figure out datums, I cannot see a difference between flexible fabric, and any regular, rigid material.  You will have to learn what tolerances are feasible.

   The datums are a challenge.  In ASME Y14.5, read up on Free State Variation.  You need to mount and clamp your part for inspection.  Probably, you will have to explain how to do this, on your drawing.   

               JHG

RE: GD&T Rectangular Fabric

Per drawoh, look at free state variation.  

You can essentially say certain dimensions apply when the part is constrained, typically in a manner reflecting end function.

Alternatively you can say certain dimensions apply in free state.

I've used this for dimensioning parts with some flexibility before.

Posting guidelines FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm? (probably not aimed specifically at you)
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources