I don't know the inner workings of that particular chuck but do know the Oneway products and
also the 3 and 4 jaw chucks found on metal lathes. If you expand the jaws on metal lathes
they will screw right out of the chuck. If you start the lathe and the threads of a jaw have
not caught, it will go flying. I know the same is the case with the jaws on the Oneway
products and assume that the Nova is not much different. As I said, it is up to you -- some
folks get away with leaving the chuck key in the chuck and have never been hurt. I got
yelled at by John Jordan about that so have learned that lesson.

Bill


In article , says...
Bill
I was told by a Machinist or Machine hobbyist that the Safety was not
nescessary. Hower being the cautious type i thought i would ask advice
here.What are the conditions that would cause jaw or jaws flying out at you.
And if they don,t remove easily with the safety screw removed, then what is
the likely condition that would cause them to fly out?

Sincerely
Keith

"Bill Rubenstein" wrote in message
. net...
I'd say that it all depends. If you don't mind a jaw (or several of them)
flying out at you
and possibly hitting you in the head or eye, then go for it. If you will
always remember
that you must check that it isn't going to happen before you start up the
machine, then go
for it. If you are like most of us, it really makes good sense not to
disable the safety
measures engineered into the product by the manufacturer.

Bill

In article ,
says...
This Chuck has a travel stop which eliminates the expansion distance. If
this is removed to allow greater expansion, Is it safe to use?

Any comments would be appreciated.

Sincerely
Keith