Re: finding DEAD center on Rotary Table

[M.W.Foscue]

Try "CCM".

Heading out to grocery store.

Have a quiet evening & stay warm.

Mac

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-----Original Message-----
From: Tim Ziegler
Sent: Apr 14, 2021 10:17 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: finding DEAD center on Rotary Table

I could not get that to pop up Was it from CC?

Kind Regards,

Timothy J. Ziegler

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On Wed, Apr 14, 2021 at 8:55 PM M.W.Foscue <mwfos...@earthlink.net> wrote:

Tim,

Sorry - did not finish the question at end of my last to you:

"BTW - Have you made arrangements with..." 

I didn't finish it bc I went looking for his name on a comment he made; never found it; and forgot to complete the question.

What I was going to ask was "If you had made arrangements with (name I could not find) who I believe lives in NY neat the CT or MA border."  He is the guy that commented your rosette could hold its own against the items he sees displayed in the nearby museum (I think that's the jist of his complement to you re: your most recent rosette you shared here.)

Mac

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-----Original Message-----
From: Tim Ziegler
Sent: Apr 14, 2021 9:29 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: finding DEAD center on Rotary Table

I can try and figure out the bit number. Bill was right on 

it being a round over. I think its a 1 wide so be 1/2 round over. 

#7501 I'd have to go out and measure it again to be sure. 

But pretty sure.

Kind Regards,

Timothy J. Ziegler

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On Wed, Apr 14, 2021 at 10:32 AM M.W.Foscue <mwfos...@earthlink.net> wrote:

Tim,

Can you provide us with the Magnate bit number? 

And, if you don't mind, another pic of the bit on a white/light-color background.

That way we can more clearly see the profile - especially the tip.

BTW - Have you made arrangements with

Thanks.

Mac

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-----Original Message-----
From: bulke...@mmnet.com.au
Sent: Apr 12, 2021 10:33 AM
To: legacy-ornamental-mills@googlegroups.com
Subject: RE: finding DEAD center on Rotary Table

Ok I see now and it looks like a round over bit to me see the pic

 

Bill

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From: legacy-ornamental-mills@googlegroups.com <legacy-ornamental-mills@googlegroups.com> On Behalf Of Tim Ziegler
Sent: Monday, 12 April 2021 8:51 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: finding DEAD center on Rotary Table

 

yea actually i did use the indexing plate from standard gear set. 

Every 6 holes. 

Is that the round over or the rope moulding bit?

Kind Regards,

Timothy J. Ziegler

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On Sun, Apr 11, 2021 at 10:53 PM <bulke...@mmnet.com.au> wrote:

Great job tim yes I saw looks like a 1 inch round over bit what was the indexing ¼ turn of the handle ? it doesn’t look like it was done with a index plate

 

Bill

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From: legacy-ornamental-mills@googlegroups.com <legacy-ornamental-mills@googlegroups.com> On Behalf Of Tim Ziegler
Sent: Monday, 12 April 2021 12:44 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: finding DEAD center on Rotary Table

 

Ok so I had a huge achievement by using some of the applications suggested. 

I am still not perfect but I think a couple more tweeks and I can get it to fit within

my expectations or very close. 

I cut a new piece found the center, drilled a 1/4 hole part way in. using a dowel 

pin and double back tape I just attached it to the table. 

Also recentered my table with rails which should not really affect it but did anyway.

Then I drew cross marks on the face same as the back and centered the bit to that.

it got very close but will make a center point with a 1/2 drill bit or something and 

bring it to a point for my dead center. 

So I believe with all the suggestions and me going out thinking like I was a tooling tech

I think I have reached or will have once I make the centering pin, I should be set to 

have great repeatability. 

I will add some of the pix. Bill one for you with the bit laying in the middle of the part.

keep in mind only cedar again and little wood framentation. 

then when all profiled I went around it with a straight bit. 

Kind Regards,

Timothy J. Ziegler

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On Sun, Apr 11, 2021 at 5:22 PM <bulke...@mmnet.com.au> wrote:

I don’t centre it I mill it centre even double tape a piece of aluminium to the rotary table to scratch with the pointer as it goes around the middle if you want to be really fussy finding centre but you can be 10 or 15 thou out and no one but you will notice lol 😊

 

Bill

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From: legacy-ornamental-mills@googlegroups.com <legacy-ornamental-mills@googlegroups.com> On Behalf Of Tim Ziegler
Sent: Monday, 12 April 2021 7:57 AM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: finding DEAD center on Rotary Table

 

yup but centering the block is the big issue i believe. 

Kind Regards,

 

Timothy J. Ziegler

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On Sun, Apr 11, 2021 at 4:33 AM <bulke...@mmnet.com.au> wrote:

Rotating the table with a pointer in the router you will soon find centre

Bill

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From: 'Curt George' via Legacy Ornamental Mills <legacy-ornamental-mills@googlegroups.com>
Sent: Sunday, 11 April 2021 1:30 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: finding DEAD center on Rotary Table

 

HI Tim

 

I have found the easiest way for me, is to use the "drill center hole" idea.  Then use a pointer mounted in the router of the Legacy. and align the table and the router, then you can use that for your 0 mark/ reference point, Once this table and Router are aligned you can touch off any know point, to take you measurements from.

 

C.A.G.

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On Saturday, April 10, 2021, 11:13:34 PM EDT, timjz...@gmail.com <timjzieg...@gmail.com> wrote:

 

Ok all you rosette guru's or rotary table users,

I have a question and I want some serious input

here on my subject. My whole WoodCraft Ind. career

I worked in the tool room as a Tooling Tech, so with

that said I worked with 10/thousands and even tighter

tolerances much lick anyone out there that is a machinist.

Ok so my point is even with cross marks on my table and

lining up a perfectly square piece with corners to lines 

Its still hard to find dead center. Now I have considered

boring a centering hole in my work piece but should not

have too. I also find the center of my work piece and center

the bit. So my point is I have a lot of skill centering but

some how I am not always hitting the center. 

Yes I have a square work piece. 

What are some of your secrets for finding DEAD center. 

Has anyone tried touching off the corners or?????

Usually you don't realize your out of center until you go around it 

with a bit especially if you are doing a sunburst or something. 

Lets dig up some good suggestions I need repeatability not hit

and miss. 

Thanks

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