On Sun, 23 Oct 2005 18:13:03 -0700, "Harold and Susan Vordos"
wrote:

Depends. If you need a half thou, and you have a decent soft hammer (Nupla
Flex), you can often get the half thou you need with a swift blow. The
snap often permits a miniscule movement, but I never swing like I'm trying
to break things. It really helps to have a firm understanding of what
"tight" means. My years in precision grinding really helped in that
regard. I don't over tighten fasteners, and I also don't have problems
with things moving. Some guys use way too much force on fasteners, in
which case my method wouldn't work.

Too much tightening often induces a fair amount of stress, bending and
so forth, both on the fixture and on the workpiece. Sigh...nothing
worse then doing what you think is a marvelous job..and when you
loosen the vise jaws...things come aglay. Been there..done
that...looked really stupid.

I use a lot of plain yellow legal pad paper under things, in the shop.
mill vises, quick change tool holders (KDK) on the lathe, etc. Put a
piece of that paper under something you dont want to move..and it
wont, and you dont have to use a cheater pipe to tighten things up
anymore.

Gunner

"Pax Americana is a philosophy. Hardly an empire.
Making sure other people play nice and dont kill each other (and us)
off in job lots is hardly empire building, particularly when you give
them self determination under "play nice" rules.

Think of it as having your older brother knock the **** out of you
for torturing the cat." Gunner