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Re: [Spridgets] Heating a bearing for interference fit ... good idea or

To: Ron Soave <soavero@yahoo.com>
Subject: Re: [Spridgets] Heating a bearing for interference fit ... good idea or not?
From: Brian Morse via Spridgets <spridgets@autox.team.net>
Date: Sun, 12 Apr 2015 22:09:56 -0400
Cc: Gerard via Spridgets <spridgets@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: spridgets@autox.team.net
References: <CAHkEVvS6yrweQY2Sp+rrYfDaWoDK0aPhjwg4msE-=-dpQdb5kw@mail.gmail.com> <D14FEDE1.2C7ED%billyzoom@billyzoom.com> <CAKr0S6ZJVgP=XxHQeYc61WOihM0ba1fUUc4LwRqaB1b5zAbpxQ@mail.gmail.com> <4AA88E89-4460-49F2-806D-3E1B5AB66307@yahoo.com>
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I responded to David Lieb off list on this.

So I used to work for a big German auto parts manufacturer- we had cast
cylinder liners made in Brazil that eventually ended up in inline GM
aluminum blocks.  Part of their process was to chill the blocks and the
liners to allow a "slip fit" in their assembly process, which lead to an
interference fit before they were machined.

I should have been more specific...

3wheel in A2

On Sunday, April 12, 2015, Ron Soave <soavero@yahoo.com> wrote:

> That only happens at very specific and extreme temperatures when the meta=
l
> essentially flows. Heat a tube and its ID and OD get larger.
>
> Ron Soave
>
> On Apr 12, 2015, at 7:28 PM, Brian Morse via Spridgets <
> spridgets@autox.team.net
> <javascript:_e(%7B%7D,'cvml','spridgets@autox.team.net');>> wrote:
>
> The way I learned it in tool and die school- heating a solid cylindrical
> object actually causes the ID to shrink, not enlarge.
>
> Maybe bearings are different animals?
>
> 3wheel in A2
>
> On Sunday, April 12, 2015, Billy Zoom via Spridgets <
> spridgets@autox.team.net
> <javascript:_e(%7B%7D,'cvml','spridgets@autox.team.net');>> wrote:
>
>>  What=E2=80=99s wrong with a pan of oil on a hot plate?
>>
>
>
> --
> Sent from my Tardis
>
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--=20
Sent from my Tardis

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I responded to David Lieb off list on this.<div><br></div><div>So I used to=
 work for a big German auto parts manufacturer- we had cast cylinder liners=
 made in Brazil that eventually ended up in inline GM aluminum blocks.=C2=
=A0 Part of their process was to chill the blocks and the liners to allow a=
 &quot;slip fit&quot; in their assembly process, which lead to an interfere=
nce fit before they were machined.</div><div><br></div><div>I should have b=
een more specific...</div><div><br></div><div>3wheel in A2<span></span><br>=
<br>On Sunday, April 12, 2015, Ron Soave &lt;<a href=3D"mailto:soavero@yaho=
o.com">soavero@yahoo.com</a>&gt; wrote:<br><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><=
div dir=3D"auto"><div>That only happens at very specific and extreme temper=
atures when the metal essentially flows. Heat a tube and its ID and OD get =
larger.<br><br>Ron Soave</div><div><br>On Apr 12, 2015, at 7:28 PM, Brian M=
orse via Spridgets &lt;<a href=3D"javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;=
spridgets@autox.team.net&#39;);" target=3D"_blank">spridgets@autox.team.net=
</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div>The way I learn=
ed it in tool and die school- heating a solid cylindrical object actually=
=C2=A0causes the ID to shrink, not enlarge.<div><br></div><div>Maybe bearin=
gs are different animals?</div><div><br></div><div>3wheel<span></span> in A=
2<br><br>On Sunday, April 12, 2015, Billy Zoom via Spridgets &lt;<a href=3D=
"javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;spridgets@autox.team.net&#39;);" =
target=3D"_blank">spridgets@autox.team.net</a>&gt; wrote:<br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex">



<div>
<font face=3D"Geneva, Verdana, Helvetica, Arial"><span style=3D"font-size:1=
4.0px">What=E2=80=99s wrong with a pan of oil on a hot plate?</span></font>
</div>


</blockquote></div><br><br>-- <br>Sent from my Tardis<br>
</div></blockquote><blockquote type=3D"cite"><div><span>-------------------=
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/blockquote></div></blockquote></div><br><br>-- <br>Sent from my Tardis<br>

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