Lining Up Router Bit Without Guide Bearing With Split Fence - Router Forums
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post #1 of 12 (permalink) Old 12-14-2018, 09:30 AM Thread Starter
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Default Lining Up Router Bit Without Guide Bearing With Split Fence

I have a 1/4 round Ovolo router bit with a guide bearing and I've lined it up with the split fence to get the correct cut. I want to remove the guide bearing I've Googled but can't find any information on how to line up a router bit minus the guide bearing, with the split fence?
Thanks.
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post #2 of 12 (permalink) Old 12-14-2018, 10:05 AM
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set the fence to the bearing...
remove the bearing...
reset the fence to your requirements using test cuts and micro adjustments......

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
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post #3 of 12 (permalink) Old 12-14-2018, 04:00 PM Thread Starter
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Quote:
Originally Posted by Stick486 View Post
set the fence to the bearing...
remove the bearing...
reset the fence to your requirements using test cuts and micro adjustments......
Hi,
I've been watching this post, as there have been no other replies. Then your method must be the accepted way of doing it.
Thanks for replying.
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post #4 of 12 (permalink) Old 12-14-2018, 04:19 PM
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My question to you is why do you need to remove the guide bearing?
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post #5 of 12 (permalink) Old 12-14-2018, 08:06 PM
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What I would do is take off the bearing, line up the fence so that it is on center of the bit both ends. Then move the fence forward 1/2 the diam. of the bearing using the tape settings on the fence readout. Then do a test cut and adjust from there.

Herb
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post #6 of 12 (permalink) Old 12-14-2018, 08:11 PM
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I don't know if this will help but when I set a bullnose or other concave profile I use a dowel with equal or smaller diameter curve than the one on the bit. When the dowel sits on both faces and touches the bit you're within thousandths. Most ovolo bits don't have a bearing unless it's on the bit shank.
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post #7 of 12 (permalink) Old 12-15-2018, 02:02 AM Thread Starter
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My question to you is why do you need to remove the guide bearing?
I want to cut a deeper fillet.
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post #8 of 12 (permalink) Old 12-15-2018, 02:34 AM
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Use 1 of these
https://www.trenddirectuk.com/gauge-1
use it upright to gauge the height of the cut, and then use it horizontal to gauge how far away the fence should be from the front of the cutter.
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post #9 of 12 (permalink) Old 12-16-2018, 09:24 AM
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If cutting deep, like it sounds like you will be doing, be sure to do it in several passes with the last being just a final light cut.

I once needed to make raised panels for exterior shutters and could not buy a bit that would leave a wide enough tenon along the edges of the panel, because a molding needed to surround the panel and both needed to fit into the dado. I ended up not only removing the bearing from the stock bit, but also grinding off the pin that the bearing had been attached to. This modification allowed me to make the raised panels the way that I needed to, but there was no way to re-install the bearing. The fence position is now the only way to set the cutting depth with that bit. I hated modifying this $100 bit, but the job justified it, and covered the cost of the bit.

Charley

Central North Carolina
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post #10 of 12 (permalink) Old 12-16-2018, 09:54 AM
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Quote:
Originally Posted by Gaia View Post
I want to cut a deeper fillet.
get the correct bit you need in the profile you want...
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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