Re: [DMCForum] Re: Worst Case Scenario: The DeLorean Edition
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Re: [DMCForum] Re: Worst Case Scenario: The DeLorean Edition



No for the gain of almost 2/1000th of an inch on a rusted bold no it
probably isn't worth the hassle.  It would probably be more efficient to
heat and cool the entire assembly several times to break the rust or
galvanic welding apart.  Personally I would probably spend maybe 30-45min
trying with heat, then just drill carefully and clean the threads with a
tap.



Andrei




----- Original Message ----- 
From: "checksix3" <jetjock11@xxxxxxxx>
To: <DMCForum@xxxxxxxxxxxxxxx>
Sent: Monday, June 30, 2003 11:35 PM
Subject: [DMCForum] Re: Worst Case Scenario: The DeLorean Edition


> --- In DMCForum@xxxxxxxxxxxxxxx, "Andrei Cular" <acular@xxxx> wrote:
> > Yes every MechE is taught the principles of thermal expansion and
> > contraction.  And that is why you want to heat the material which
> the stud is in and freeze the stud its self.
>
> Yes of course, if you're cooling one part seperately. But you're
> going to have to remove a lot of energy to shift that thermal mass
> after heating it. Not worth the hassle for parts this large although
> I've certainly used the method for precision bearings and such. My
> point was that heating will result in a larger space between the
> parts than when cold. I have a ready supply of LN2 so I can cheat,
> using a can of component freeze seems like pissin in the wind. Just
> heat it red and wind it out.
>
>
>
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