Slot cutting outside edge of a circle

3966 Views 14 Replies 5 Participants Last post by Renelle Musielak-Legos, Feb 22, 2018

Renelle Musielak-Legos

Discussion Starter · Feb 17, 2018

I'm very new to routing, so if there's an easier way to do this, even without a router, please let me know.

I want to cut a slot into the edge of a few different sized circles, one size being 6" in diameter and the others smaller.
What would be the best way to do this? I don't have a router table but if one would make it easier, I'll build one.
I'm trying to make the edge of a bobbin that will be used on a large spinning wheel (for wool, not a random wheel that spins).

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Stick486

· #2 · Feb 17, 2018

coupl3e of ways..
use your existing router guide...
a circle router base....
http://jaspertools.com/
make what works best for you...
https://duckduckgo.com/?q=router+circle+guides&t=ffsb&iax=videos&ia=videos

Renelle Musielak-Legos

Discussion Starter · #3 · Feb 17, 2018

Maybe I didn't explain myself well enough. I already have the circles cut out. Now I need to make a slot all the way around the outside edge so it acts like a gear, without the teeth. Like the ones pictured but with one slot, not multiple. Unless I'm missing something and the things you linked would work for that too?

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hawkeye10

· #4 · Feb 17, 2018

I am not kidding, my first router table was a piece of plywood on top of a 55-gallon drum. I bored a hole in the ply and mounted the router underneath. Yes, it was crude but it got the job done until I could do better.

Reactions: 3

Rebelwork Woodworking

· #5 · Feb 17, 2018

Renelle Musielak-Legos said:
Maybe I didn't explain myself well enough. I already have the circles cut out. Now I need to make a slot all the way around the outside edge so it acts like a gear, without the teeth. Like the ones pictured but with one slot, not multiple. Unless I'm missing something and the things you linked would work for that too?

For a pulley correct? Similar to this

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Stick486

· #6 · Feb 17, 2018 (Edited)

Renelle Musielak-Legos said:
Maybe I didn't explain myself well enough. I already have the circles cut out. Now I need to make a slot all the way around the outside edge so it acts like a gear, without the teeth. Like the ones pictured but with one slot, not multiple. Unless I'm missing something and the things you linked would work for that too?

you don't want a slot.. you want an edge treatment, a profile...
and yes those things I pictured will work...
IRL, all you need is a bearing guided bit...
double stick tape to a good work surface and and profile away..

EDIT..
now that I see your second post...
this bit..
https://www.toolstoday.com/edge-fluting-assembly-router-bits.html
https://www.toolstoday.com/edge-fluting-router-bits.html

Renelle Musielak-Legos

Discussion Starter · #7 · Feb 17, 2018

Yes! I figured a small slot would work just as well as that bit (but that bit is the ideal). I'm just not sure of how I'd make it around the circle in the best fashion.

Renelle Musielak-Legos

Discussion Starter · #8 · Feb 17, 2018

Awesome. Thank you so much! I'll buy one of those then, if it'll make that much of a difference. Do you know the specific name for that bit?

Rebelwork Woodworking

· #9 · Feb 17, 2018

Correct?:|

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Reactions: 1

RainMan 2.0

· #10 · Feb 17, 2018 (Edited)

Neil , I use something simular to what Stick has mentioned. You can cut out a new circle , and make a groove / slot by changing the routers depth if you desire . It does require a 1/8” hole in the centre for a guide pin though . If neccesary, you could . This would work for what your describing, and I’m sure you can fabricate a circle jig easy enough if your budgets tight, and use whatever guide pin diameter you need

Rebelwork Woodworking

· #11 · Feb 17, 2018

Fluting bit....

Stick486

· #12 · Feb 17, 2018

Rebelwork Woodworking said:
Correct?:|

correct...

Rebelwork Woodworking

· #13 · Feb 17, 2018

Sorry I get lost in question/reply direction...

Stick486

· #14 · Feb 17, 2018

Rebelwork Woodworking said:
Sorry I get lost in question/reply direction...

the bearing guided fluting bit you pictured is the way to go..

Renelle Musielak-Legos

Discussion Starter · #15 · Feb 22, 2018

I think I'm going to try something like this:

Thank you all for the help! Im sure I'll be back with my next project! haha

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