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Need a 1.75" round over router bit

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Forum topic by yellowtruck75 posted 05-24-2011 02:54 AM 2872 views 0 times favorited 18 replies Add to Favorites Watch
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yellowtruck75

410 posts in 1705 days


05-24-2011 02:54 AM

I am looking to round over a 1.5” square piece of wood into a round piece without a lathe. Anyone know where I could get a 1.75” round over bit so that I can turn 1.5” square into a dowel rod?

Thanks
YT75


18 replies so far

View Loren's profile (online now)

Loren

7467 posts in 2285 days


#1 posted 05-24-2011 03:20 AM

Try Magnate. I’ve bought unusual bits from them in the past.

http://www.magnate.net/

There are other ways to make wood round. You can make rods
with a simple table saw jig. I think it’s a bit slow, but requires no
tooling you don’t already have.

The cut can also be arranged with a moulding head in the
table saw.

-- http://lawoodworking.com

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Ripthorn

752 posts in 1623 days


#2 posted 05-24-2011 03:23 AM

Pardon my dumb question, but wouldn’t you want a 3/4” radius bit? Those are much easier to find.

-- Brian T. - Exact science is not an exact science

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ChuckV

2411 posts in 2165 days


#3 posted 05-24-2011 03:25 AM

I might not understand what you are asking. If you are starting with a square that is 1.5” on a side, it seems that you want a roundover bit with radius half that, 3/4”.

How do you plan to support the piece after you have rounded some of the corners off?

-- “That it will never come again / Is what makes life so sweet. ” ― Emily Dickinson

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yellowtruck75

410 posts in 1705 days


#4 posted 05-24-2011 03:34 AM

Now that I think about it I guess that I would only need a 3/4” bit to round over a 1.5” square. Four sides rounded with a 3/4” bit will give me a perfectly round piece, correct?

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dbhost

5378 posts in 1869 days


#5 posted 05-24-2011 03:39 AM

Okay, dumber question. Why not start with a 3/4” dowel?

-- My workshop blog can be found at http://daves-workshop.blogspot.com

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rcs47

182 posts in 1767 days


#6 posted 05-24-2011 03:54 AM

Yellowtruck – yes, the 3/4” radius bit will give you a 1.5” round rod out of a 1.5” square blank when you adjust it correctly. I would not want to make the full cut at one time because you are taking a lot of material off. You can draw a curcle on the end of the rod to see how much of the corner you can cut off at the table saw (a 45 degree cut), then you should be able to cut the radius in one pass. Try it on a sample.

Good luck,

Doug

-- Doug - As my Dad taught me, you're not a cabinet maker until you can hide your mistakes.

View jeepturner's profile

jeepturner

920 posts in 1430 days


#7 posted 05-24-2011 03:57 AM

You might want to look at the following links,
http://www.woodsmithtips.com/2010/07/08/making-dowels/
http://lumberjocks.com/topics/193

With the second link you can use a a lot of different bits.

-- Mel,

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ChuckV

2411 posts in 2165 days


#8 posted 05-24-2011 04:06 AM

If I were to use the method from Woodsmith, I would use a stop block on the fence to hold the piece from flying to the right as it is rotated into the bit. I might also use one on the left side of the fence where I want to stop.

Be safe.

-- “That it will never come again / Is what makes life so sweet. ” ― Emily Dickinson

View bubinga's profile

bubinga

861 posts in 1305 days


#9 posted 05-24-2011 04:13 AM

As rcs47 says ,see how much of the corner you can cut off at the table saw, I take off the corners of square stock, when getting ready to turn it on the lathe. I t saves time ,and ware and tear on ,bit and router, in that situation
You can use feather boards,and push stick to keep hands safe

-- E J ------- Always Keep a Firm Grip on Your Tool

View William's profile

William

8979 posts in 1480 days


#10 posted 05-24-2011 04:16 AM

I have tried making dowel rods in the way that you are talking about. I got the bejeebies scared out of me. Good luck. Let us know how it turns out. It may be able to be done safely if you had a way of holding it to keep your fingers away from moving sharp objects, like router bits.

-- http://wddsrfinewoodworks.blogspot.com/

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bubinga

861 posts in 1305 days


#11 posted 05-24-2011 05:25 AM

Ya now what ? bentlyj

I must agree with you here , don’t know what I was thinking, actually I am hungry and thinking about FOOD
I would rather leave the full 1 1/2” flat ends on the extra and make a few passes to remove the material instead,
I will go fuel my brain

-- E J ------- Always Keep a Firm Grip on Your Tool

View richgreer's profile

richgreer

4522 posts in 1712 days


#12 posted 05-24-2011 02:26 PM

The 3/4 bit will do the job, but I have a suggestion.

If possible, cut your 1.5” stock 3-4” longer than you need. Then, when routing, start you cuts in an inch or so from the end and stop the cut an inch or so from the other end. This will leave the ends square and it will be easier to control on the last cut.

When done, cut the ends off.

-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

View Pick's profile

Pick

30 posts in 1670 days


#13 posted 05-24-2011 03:36 PM

I second Rich’s comment.

View patron's profile

patron

13025 posts in 1979 days


#14 posted 05-24-2011 03:48 PM

for this i always have a fence
that last corner
likes to cut in further
because the pilot is over on the first radius
by a bit
so it leaves a circle
with some out of round and a line
where they come together

i’m with rich and pick too
leave some square
so it doesn’t roll around

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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wiswood2

1100 posts in 2334 days


#15 posted 05-24-2011 04:08 PM

Leave each end sq. for a couple of inches.
Chuck

-- Chuck, wiswood2 www.wisconsinwoodchuck.com

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