Gentlemen,
I'm looking for some data on pressure versus resistance through metal
mating surfaces. Normally I avoid trying to make HF emc grounds through a
simple pressure fit, but I have an instance where this solves a lot of
problems inside a chassis. Basically, the part needing grounding would be
inserted into a large wide "ground finger" if you will. I have the ability to
control the pressure between the two parts with positive and constant
pressure, but I don't really have any logical way to describe the amount of
pressure per square inch to my mechanical guys - ft/lbs or inch/lbs (or
appropriate metric values). I made at least a quick search of the finger stock
folks but don't see any data - maybe I'm looking in the wrong spot. I'm trying
to insure that I can get a 1square inch area pressed firmly against the second
part and insure I get less than an ohm, hopefully milliohms of resistance
between the parts. _This is not a bonding issue for current, but an emc ground
over frequency.
Thanks
Gary
---------------------------------------------------------------- This message
is from the IEEE Product Safety Engineering Society emc-pstc discussion list.
Website: http://www.ieee-pses.org/
To post a message to the list, send your e-mail to [email protected]
Instructions: http://listserv.ieee.org/listserv/request/user-guide.html
List rules: http://www.ieee-pses.org/listrules.html
For help, send mail to the list administrators:
Ron Pickard: [email protected] Dave Heald: [email protected]
For policy questions, send mail to:
Richard Nute: [email protected] Jim Bacher: [email protected]
All emc-pstc postings are archived and searchable on the web at:
http://www.ieeecommunities.org/emc-pstc
