To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
Subject: RE: Thread Locking
From: "DEVERE, PETER P. (JSC-ES)" <peter.p.devere1(--nospam--at)jsc.nasa.gov>
Date: Mon, 24 May 1999 16:47:44 -0500 <peter.p.devere1(--nospam--at)jsc.nasa.gov>
There are several design criteria that you should address for this
If the environment in which the eyebar-pin component is corrosive or exposed
to the elements this may induce "corrosion pack-out" This phenomina
occurs when the eyebars corrode to the extent that the "rust" pushes the
eyebars off the pin. Several bridge failures have been traced to this
Using a "cotter pin" made from a non-corrosive material might be a viable
solution. Galvanizing might be another.
Peter De Vere
JSC, Houston, Texas
From: Fredericks, Douglas/SAC [mailto:DFreder1(--nospam--at)CH2M.com]
Sent: Monday, May 24, 1999 4:22 PM
Subject: Thread Locking
Any thoughts on good ways to lock up threads?
I have some steel eyebars packed on a pin with recessed pin
them in place. The pins are about 3" in diameter and they
are exposed to
weather. I don't want the nuts to loosen, of course. The
options I can
think of are thread-lock compound, tack-welding, and burring
Is there a reliable thread-lock compound (besides rust)?