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Forum topic by RussellAP posted 09-11-2013 07:58 PM 958 views 0 times favorited 26 replies Add to Favorites Watch
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RussellAP

2950 posts in 940 days


09-11-2013 07:58 PM

Been using the router a bit more than usual due to some projects. I know most of you use a roundover bit on a hand held router, but what about mounting it in the table router. I have a small 1/3 HP router I could use I guess, but its just as easy to stick the bit in the table router.

Now my question is, seeing there is a bearing on the roundover bit, can I just use that without the fence at all? For small boards it’s easier that way for me. I tried it on the last two boards and it worked well, but I don’t want to find out the hard way that it’s not safe.

-- A positive attitude will take you much further than positive thinking ever will.


26 replies so far

View Don W's profile

Don W

15029 posts in 1221 days


#1 posted 09-11-2013 08:01 PM

That’s what I do. You just need to be careful on the start.

-- Master hand plane hoarder. - http://timetestedtools.com

View chrisstef's profile

chrisstef

10836 posts in 1660 days


#2 posted 09-11-2013 08:02 PM

I just did a ton of roundovers on the router table and I just popped the bearing off the bit and used the fence. I don’t see why you couldn’t do it without a fence and leaving the bearing on though.

-- "there aren’t many hand tools as awe-inspiring as the #8 jointer. I mean, it just reeks of cast iron heft and hubris" - Smitty

View ShaneA's profile

ShaneA

5302 posts in 1252 days


#3 posted 09-11-2013 08:05 PM

Just set the fence parallel/flush with the bearing. Use a ruler or straight edge and you should be good to go.

View Fred Hargis's profile

Fred Hargis

1784 posts in 1147 days


#4 posted 09-11-2013 08:13 PM

Usually, if you use a bearing bit without a fence, you need a “starter pin”. As the name implies, it lets you get started (without kickback) and then you can move away from the pin.

-- Our village hasn't lost it's idiot, we sent 'em to Washington.

View CharlieM1958's profile

CharlieM1958

15696 posts in 2872 days


#5 posted 09-11-2013 08:14 PM

The safest and easiest way is just like Shane said. Working without the fence is easy enough for most of the length of the board, but starting and finishing the cut can be tricky because the bit will have a tendency to want to keep cutting around the perimeter of the board.

-- Charlie M. "Woodworking - patience = firewood"

View tefinn's profile

tefinn

1210 posts in 1091 days


#6 posted 09-11-2013 08:19 PM

If you use the table, set it up like Shane says. That’s the way I do it. I also use my trim router for doing it by hand if the table has a setup in it already.

-- Tom Finnigan - Measures? We don't need no stinking measures! - Hmm, maybe thats why my project pieces don't fit.

View mds2's profile

mds2

240 posts in 598 days


#7 posted 09-11-2013 08:28 PM

Another vote for Shane’s idea. I do the same.

View kdc68's profile

kdc68

1979 posts in 930 days


#8 posted 09-11-2013 08:33 PM

+1 ShaneA and Fred Hargis.....Shane’s method works great for straight work pieces …Fred’s method works great for curved or odd shaped work pieces that a fence would prohibit you from forming the roundover

-- Measure "at least" twice and cut once

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Earlextech

978 posts in 1344 days


#9 posted 09-11-2013 08:38 PM

I’m with Shane.

-- Sam Hamory - The project is never finished until its "finished"!

View Bob817's profile

Bob817

650 posts in 1036 days


#10 posted 09-11-2013 08:54 PM

I too do the same as Shane.

-- ~ Bob ~ Newton, N.H.

View RussellAP's profile

RussellAP

2950 posts in 940 days


#11 posted 09-11-2013 09:11 PM

ShaneA, It’s the rounded corners that I was wondering about. I actually did flush the fence with the bearing, but on a round corner like in the pic you have to free hand it.

I’m wondering if I could use a one piece fence instead of the two piece I have now, just let the bit eat through it like a TS zero clearance insert.

-- A positive attitude will take you much further than positive thinking ever will.

View joeyinsouthaustin's profile

joeyinsouthaustin

1255 posts in 726 days


#12 posted 09-11-2013 09:18 PM

Here is a combo method. Especially good for your boards. We set up our large shaper this way for crowned raised panels. Do a straight fence to the right of the bit for straight edges, and then no fence left of the bit for “following” the curved edge around. You need flat table around the left side of the bit, some supports or dust hoods can get in the way. The fence works as the starter pin. Reverse the router if you can, or the fence set up if you are doing climbing cut. (Depending on the size of the R.O. and comfort level) With the right set up you can also get much better dust collection this way. Look at the dust hoods at the weaver shaper site and it will give you ideas. Rather than behind the bit only, they extend around to catch more where the chips are initially coming off.

-- Who is John Galt?

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joeyinsouthaustin

1255 posts in 726 days


#13 posted 09-11-2013 09:21 PM

Reading that I wanted to add a description of the “action” Start with a straight against the fence, and start it forward into the bit, once it is near half way, and set on the bearing, tilt it away from the fence and follow the curve around the edge and a little into the next flat. Then start the next side flat on the fence and proceed as before until all four sides are done.

-- Who is John Galt?

View kdc68's profile

kdc68

1979 posts in 930 days


#14 posted 09-11-2013 09:36 PM

”It’s the rounded corners that I was wondering about. I actually did flush the fence with the bearing, but on a round corner like in the pic you have to free hand it.”

+1 joeyinsouthaustin....that would work….great suggestion…

or back to Fred’s suggestion to use a starting pin from post #4. Insert a starting pin in your router table plate and away you go. Wouldn’t need a fence at all, just the pin to start the cut safely. Once engaged into the cut, pull away from the pin and route all four sides….

-- Measure "at least" twice and cut once

View RussellAP's profile

RussellAP

2950 posts in 940 days


#15 posted 09-11-2013 09:37 PM

I’ve never used or seen this pin you are all talking about. Is there a video or something?

-- A positive attitude will take you much further than positive thinking ever will.

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