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Looks like I missed the original message.
I've never done this but here what I'd try:
1. Use a router with a carbide straight bit and a circle-cutting jig to
cut concentric circles starting with the outer edge of the bowl and
moving inward. You'll need to figure out the depth for each successive
circle depending on how steep you want the bowl to be.
2. Use a chisel or a forstner bit in your drill press to remove the
centermost section (the piece that you screwed your circle jig into).Â
At this point, you'll have a "step" bowl, similar to what a strip mine
might look like.
3. To smooth out the steps, I'd use a 4 1/2" angle grinder and a flap
grinding disc. In fact, as I write this, I suspect you could make the
entire bowl using just the angle grinder. You can buy a sculpting disk
for an angle grinder that has chain saw teeth. Use that to shape the
bowl and the flap disk to smooth the gouges.
On 02/10/19 13:17, Philip Ethier via Shop-talk wrote:
> You need a buddy with a giant lathe.
>
> On Thu, Dec 13, 2018 at 1:33 PM eric--- via Shop-talk
>
> I'm making a piece of furniture that needs to have a rounded
> 'dish' cut into it. Like a cove cut on a board, but just in a
> circle. Think of a change plate where there is a bowl cutout on a
> board.
>
> The cut would look like if you had a table saw blade about 1/2"
> out of the table, then put a piece of wood straight down on it and
> twisted it in a circle. I know that wouldn't work (and would be
> HUGELY unsafe.)
>
> Here is an image of the cut I am trying to make (there are two of
> them on this valet..
>
>
> https://www.etsy.com/listing/229799235/mens-valet-mens-valet-change-dish-modern
>
>
> Anyone know how to do that? I can only find ways to make a cove
> lengthwise in a board. Â The piece isn't small enough to put in a
> lathe (but I thought about making an insert, and that is my last
> resort, but I would rather not do that.)
>
> Thanks in advance!
>
> Sent from my Commodore 64 on a 2400 Baud Modem.
> Tech Viper
> "Be as beneficent as the sun or the sea, but if your rights as a
> rational being are trenched on, die on the first inch of your
> territory." Ralph Waldo Emerson
> _______________________________________________
>
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
> Archive: http://www.team.net/pipermail/shop-talk
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/shop-talk/pethier7@gmail.com
>
>
>
> --
> Phil Ethier West Side Saint Paul Minnesota USA
> 1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
> 2004 Suburban 8.1, Sport Red
> 2005 Lotus Elise, Bordeaux Red Pearl
> 2006 Gulf Stream Conquest Super C, 8.1, White
> 2017 Ford Fusion SE 2.0 Turbo, Oxford White
> http://www.mnautox.com <http://www.mnautox.com/>
>
>
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
> Archive: http://www.team.net/pipermail/shop-talk
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>
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<div class="moz-cite-prefix">Looks like I missed the original
message.<br>
<br>
I've never done this but here what I'd try:<br>
<br>
1. Use a router with a carbide straight bit and a circle-cutting
jig to cut concentric circles starting with the outer edge of the
bowl and moving inward. You'll need to figure out the depth for
each successive circle depending on how steep you want the bowl to
be.<br>
<br>
2. Use a chisel or a forstner bit in your drill press to remove
the centermost section (the piece that you screwed your circle jig
into). At this point, you'll have a "step" bowl, similar to what
a strip mine might look like. <br>
<br>
3. To smooth out the steps, I'd use a 4 1/2" angle grinder and a
flap grinding disc. In fact, as I write this, I suspect you could
make the entire bowl using just the angle grinder. You can buy a
sculpting disk for an angle grinder that has chain saw teeth. Use
that to shape the bowl and the flap disk to smooth the gouges.<br>
<br>
<br>
<br>
On 02/10/19 13:17, Philip Ethier via Shop-talk wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAE16_w2CyhmNxYWuD8U8=LQq6euY+cwEGxP7DxwfeDdTu6DG5Q@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<div dir="ltr">You need a buddy with a giant lathe.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, Dec 13, 2018 at 1:33
PM eric--- via Shop-talk <<a
href="mailto:shop-talk@autox.team.net";
moz-do-not-send="true">shop-talk@autox.team.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><font
size="2" face="sans-serif">I'm making a piece of furniture
that needs
to have a rounded 'dish' cut into it. Like a cove cut on a
board,
but just in a circle. Think of a change plate where there
is a bowl
cutout on a board.</font>
<br>
<br>
<font size="2" face="sans-serif">The cut would look like if
you had a
table saw blade about 1/2" out of the table, then put a
piece of wood
straight down on it and twisted it in a circle. I know that
wouldn't
work (and would be HUGELY unsafe.)</font>
<br>
<br>
<font size="2" face="sans-serif">Here is an image of the cut I
am trying
to make (there are two of them on this valet..</font>
<br>
<br>
<a
href="https://www.etsy.com/listing/229799235/mens-valet-mens-valet-change-dish-modern";
target="_blank" moz-do-not-send="true"><font color="blue"
size="2"
face="sans-serif">https://www.etsy.com/listing/229799235/mens-valet-mens-valet-change-dish-modern</font></a>
<br>
<br>
<font size="2" face="sans-serif">Anyone know how to do that?Â
I
can only find ways to make a cove lengthwise in a board. Â
 The
piece isn't small enough to put in a lathe (but I thought
about making
an insert, and that is my last resort, but I would rather
not do that.)</font>
<br>
<br>
<font size="2" face="sans-serif">Thanks in advance!<br>
<br>
Sent from my Commodore 64 on a 2400 Baud Modem.<br>
Tech Viper<br>
"Be as beneficent as the sun or the sea, but if your rights
as a rational
being are trenched on, die on the first inch of your
territory." Ralph
Waldo Emerson
</font>_______________________________________________<br>
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<br>
</blockquote>
</div>
<br clear="all">
<div><br>
</div>
-- <br>
<div dir="ltr" class="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div><span
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;font-size:12.8px;background-color:rgb(239,239,239)">Phil
Ethier West Side Saint Paul Minnesota USA</span><br>
</div>
<div><span
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">1973
Triumph Stag LE22439UBW "uncle jack", Sapphire
Blue</span><br
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">
<span
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">2004
Suburban 8.1, Sport Red</span><br
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">
<span
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">2005
Lotus Elise, Bordeaux Red Pearl</span></div>
<div><span
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">2006
Gulf Stream Conquest Super C, 8.1, White</span></div>
<div>2017 Ford Fusion SE 2.0 Turbo, Oxford White<br
style="color:rgb(0,0,0);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)">
<a href="http://www.mnautox.com/";
style="color:rgb(0,24,57);font-family:verdana,geneva,lucida,"lucida
grande",arial,helvetica,sans-serif;background-color:rgb(239,239,239)"
target="_blank"
moz-do-not-send="true">http://www.mnautox.com</a><br>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
<a class="moz-txt-link-abbreviated"
href="mailto:Shop-talk@autox.team.net";>Shop-talk@autox.team.net</a>
Archive: <a class="moz-txt-link-freetext"
href="http://www.team.net/pipermail/shop-talk";>http://www.team.net/pipermail/shop-talk</a>
</pre>
</blockquote>
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