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What router bit(s) to use

2238 Views 17 Replies 11 Participants Last post by  Cherryville Chuck
Hi everyone!

I am a newbie to this forum but have enjoyed woodworking for many years. I am retired now so have time to work on some projects.

This one is an old high chair probably from the early 1920s, that a section needs replacing. The photo shows about a 1/2 bead with sloping sides on a standard one inch board (1 3/4"). Can someone tell me what bits to use or how to replicate this? My router bits wouldn't work and I tried looking at catalogs to see what is available.

Thanks!
Steve
Fiddletown, CA

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Hi Steve and welcome. Can you give us a pic of the end too? I think we'll need to see what it looks like from that angle too.
Hey Steve; welcome!
You might have to resort to having a custom bit ground for you. Maybe with the profile on the vertical axis?
https://ridgecarbidetool.com/custom-tools/
Welcome to the router forums family Steve. Hope you enjoy your stay.
If its from the '20s its almost certainly hand shaped. So get it close with a roundover bit then sand by hand to match it.
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I was thinking along the lines as Bob stated. But an end shot would also help tell the profile. BTW, welcome to the forum.
Welcome to the Router Forums Steve.

Looks like a round over bit will do what you need but as others have said an end view would help to verify what the profile is.
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I appreciate the quick responses. :) Here is a look at the end, although it is tough to see the slight dip between the bead and the outer edge, better if you look at bottom. If it was hand done it would be a feat. All the wood on the high chair has this and all pretty perfect. My wife says her Dad used this chair when he was born in 1928. It is a cool chair, converts from high chair to rocker. The wood is old and rather fragile hence why this piece broke. I am looking for anything close to this pattern, but luckily, it is in a place few could see it.

Thanks!
Steve

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Steve can you take the picture looking straight at the end?
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Personally, I'd pay a millwork shop to make an exact shaper knife, and run off a few extra feet of moulding.
Looking at it again I think I would just cut the 45 degree chamfers on the table saw and plane/scrape and sand the round over.
Welcome to the forum Steve.
G'day and welcome to the forum Steve.

I know this is a router forum, but I would be looking at a spokeshave...
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The photo is pretty much the end, but this one I moved it up a little so you can see more. Not easy to photo.

Thanks!
Steve

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I appreciate the quick responses. :) Here is a look at the end, although it is tough to see the slight dip between the bead and the outer edge, better if you look at bottom. If it was hand done it would be a feat. All the wood on the high chair has this and all pretty perfect. My wife says her Dad used this chair when he was born in 1928. It is a cool chair, converts from high chair to rocker. The wood is old and rather fragile hence why this piece broke. I am looking for anything close to this pattern, but luckily, it is in a place few could see it.

Thanks!
Steve
Welcome to the forum.
That is a beautiful chair, I cannot determine where on the chair the damaged piece is located. But I am with the rest of the guys,do the chamfer then round over as best you can,then finish the rest by hand blending it in with a rasp,file, sanding block,scraper, I have done similar many times by hand.
Herb
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Thanks again, lots to think about. :)
That was most likely done with a shaper instead of a router and the bit may have been ground for the job. I agree mostly with the others about chamfering and sanding. If you want to put the hollows in near the edges then I suggest using a sanding drum in a drill press or spindle sander. You'd need to mark the curve out on the piece and try and sand to it. I've done a few that way and it can be done with a light touch and a fair amount of patience.
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