One piece in the oven, hit the other with a CO2
extinguisher just before assembly - - works every
time!
Dick J
PS
Storing new lug bolts in the freezer before
fitting them to an axle flange works wonders too.
Just rmove the frosty little buggers from the
freezer, drop them in place, tap lightly with a
small hammer, and zingo!
--- FastmetalBDF@aol.com wrote:
> Keith, you said you couldn' t imagine
> putting a ring gear on a flywheel
> without a torch ....... well ( now don' t let
> Miss Kathy hear about this )
> that' s
> what OVENS are for !!! Just make sure the
> ring gear is NICE & CLEAN !
> You will get more EVEN heating all
> around the whole circumference
> than you can with that torch ! I have used
> our oven very successfully to
> warm axle bearings, both open and sealed, and
> drive them on the axle with
> a length of pipe, several blocks of wood, and a
> few hammer blows, when
> no press was available . On one occasion, when
> Doug & Darrell were
> "understudies" in my garage, we had the added
> benefit of a snowbank
> next to my driveway to chill the axle in ( I do
> NOT think Mary Ann would
> have gone along with me cleaning out the fridge
> to stuff an axle in there ! ),
> and it helped get the job done . The oven
> also makes a nice preheater
> for parts you wish to weld with less thermal
> shock to them, as when you just
> strike an arc on them . Remember the key thing
> ...... CLEAN parts only,
> and better yet ...... do it while she' s OUT
> shopping !!!
> Those few thousandths gained with the
> careful use of heat and cold
> assisting each other can make all the
> difference ....... but of course we all
> know some parts can't be treated ( no pun
> intended ) this way !
> The submarine shipyard where I spent
> over a third of a century keeps
> a large supply of DRY ICE on hand for these
> very expansion fits that
> they utilize on many components, both large
> and small .......
> You can also throw in one of those
> frozen ( cardboard ) pizzas
> while you' re cooking your parts ...... now
> that's efficiency !
> Bruce
> Necessity is the Mother of Invention
> PS : Messrs Barrett, Dincau, Vette Scoy can
> all disregard the snowbank
> info ...... probably never seen one .......
> sure won' t have one available
> .......
> and you all got big presses, anyhow !
>
=====
* * * * * * * * * * * * * *
* Dick J *
* (In East Texas) *
* # 729 *
* C/GRS E/STR *
* * * * * * * * * * * * * *
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