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I sort of like your idea about the self-cleaning oven cycle. It would be
very even heat, the right temperature, should not hurt the oven.
Maybe just wait to do it while the wife is away for an hour or so... :-)
best,
doug
On Sat, Aug 8, 2020 at 5:37 AM Pat Horne <patintexas@icloud.com> wrote:
> Pay a local shop with an oxy/acetylene rig to heat them? Muffler shop,
> body shop, A/C contractor? A/C contractor sometimes use air/acetylene. Wi=
ll
> that get hot enough?
>
> Peace,
> Pat
>
> Pat Horne
> We support Habitat for Humanity
>
>
> On Aug 7, 2020, at 11:25 PM, Jack Brooks <JIBrooks@live.com> wrote:
>
> =EF=BB=BF
>
> I have fabricated a number of 1/8 and 3/16th inch thick busbars for an
> Van RV build electrical system which I am assembling in my shop. The
> busbars are already bent to shape, but I=E2=80=99d like to anneal them, b=
ecause the
> copper was purchased in the =E2=80=9CHalf-Hard=E2=80=9D state and making=
them =E2=80=9CDead-Soft=E2=80=9D
> will insure that they lay completely flat to maximize the conductivity wh=
en
> I final assemble the system.
>
>
>
> I usually anneal copper by getting it hot enough to glow with a propane
> torch and then allow it to cool. With the mass of these busbars, I can=
=E2=80=99t
> get them up to a temperature to where they glow with propane. An
> Oxy/Acetylene torch would work, but I don=E2=80=99t have one. MAPP gas i=
s hotter,
> but I don=E2=80=99t think it=E2=80=99s a lot hotter.
>
>
>
> I am considering running them through the cleaning cycle in the
> self-cleaning over, as a self-cleaning oven will typically runs up to
> around 900=C2=B0F. Copper needs 700-1,200=C2=B0F to anneal, so it should=
be fine.
>
>
>
> I=E2=80=99d prefer almost any other solution. Thoughts? The last time I=
used our
> oven for a shop project, it was to cure the paint on the jugs (cylinders)
> of my =E2=80=9974 Norton motorcycle. Mrs. Jack was not happy. Copper ba=
rs should
> be fine as they won=E2=80=99t stink up the house.
>
>
>
> Thanks in advance,
>
>
>
> Jack
> _______________________________________________
>
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<div dir=3D"ltr">I sort of like your idea about the self-cleaning oven cycl=
e. It would be very even heat, the right temperature, should not hurt the o=
ven.=C2=A0<div><br></div><div>Maybe just wait to do it while the wife is aw=
ay for an hour or so...=C2=A0 :-)</div><div><br></div><div>best,</div><div>=
<br></div><div>doug</div></div><br><div class=3D"gmail_quote"><div dir=3D"l=
tr" class=3D"gmail_attr">On Sat, Aug 8, 2020 at 5:37 AM Pat Horne <<a hr=
ef=3D"mailto:patintexas@icloud.com";>patintexas@icloud.com</a>> wrote:<br=
></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;=
border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto">=
Pay a local shop with an oxy/acetylene rig to heat them? Muffler shop, body=
shop, A/C contractor? A/C contractor sometimes use air/acetylene. Will tha=
t get hot enough?<div><br></div><div>Peace,</div><div>Pat<br><br><div dir=
=3D"ltr">Pat Horne=C2=A0<div>We support Habitat for Humanity</div><div><br>=
</div></div><div dir=3D"ltr"><br>On Aug 7, 2020, at 11:25 PM, Jack Brooks &=
lt;<a href=3D"mailto:JIBrooks@live.com"; target=3D"_blank">JIBrooks@live.com=
</a>> wrote:<br><br></div><div dir=3D"ltr">=EF=BB=BF
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif">I have fabricated a number of 1/8 and 3/16<sup>th<=
/sup> inch thick busbars for an Van RV build electrical system which I am a=
ssembling in my shop.=C2=A0 The busbars are already
bent to shape, but I=E2=80=99d like to anneal them, because the copper was=
purchased in the =C2=A0=E2=80=9CHalf-Hard=E2=80=9D state and making them =
=E2=80=9CDead-Soft=E2=80=9D will insure that they lay completely flat to ma=
ximize the conductivity when I final assemble the system.
<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif">I usually anneal copper by getting it hot enough t=
o glow with a propane torch and then allow it to cool.=C2=A0 With the mass =
of these busbars, I can=E2=80=99t get them up to a temperature
to where they glow with propane.=C2=A0 An Oxy/Acetylene torch would work, =
but I don=E2=80=99t have one.=C2=A0 MAPP gas is hotter, but I don=E2=80=99t=
think it=E2=80=99s a lot hotter.
<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif">I am considering running them through the cleaning=
cycle in the self-cleaning over, as a self-cleaning oven will typically ru=
ns up to around 900=C2=B0F.=C2=A0 Copper needs 700-1,200=C2=B0F
to anneal, so it should be fine.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif">I=E2=80=99d prefer almost any other solution.=C2=
=A0 Thoughts?=C2=A0 The last time I used our oven for a shop project, it wa=
s to cure the paint on the jugs (cylinders) of my =E2=80=9974 Norton motorc=
ycle.=C2=A0
Mrs. Jack was not happy.=C2=A0 Copper bars should be fine as they won=E2=
=80=99t stink up the house.
<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif">Thanks in advance,<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:"Time=
s New Roman",serif">Jack<u></u><u></u></span></p>
</div>
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</blockquote></div>
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