Groove Question - Router Forums
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post #1 of 30 (permalink) Old 02-24-2018, 10:05 PM Thread Starter
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I知 trying to make an inch wide groove in a piece of wood to hold a shelf. Right now I知 using half inch bit. Whenever I try to do more than an 1/8inch depth the cut messes up. Is there a simpler way to make an inch groove? How do you make grooves on your table?

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post #2 of 30 (permalink) Old 02-24-2018, 10:15 PM
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I would use a dado blade on a table saw. If you are using a router in a router table setup and your cut is wandering make sure you're feeding in the right direction and you are using hold-downs and feather boards.
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post #3 of 30 (permalink) Old 02-24-2018, 10:20 PM
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Quote:
Originally Posted by Pastorshobby View Post
I知 trying to make an inch wide groove in a piece of wood to hold a shelf. Right now I知 using half inch bit. Whenever I try to do more than an 1/8inch depth the cut messes up. Is there a simpler way to make an inch groove? How do you make grooves on your table?
Joe ? Is your shelf a 1 thick, and how deep do want the groove to be?
Are using some kind of guide system, does the 1/2 bit have a bearing or are using a template guide? How long is the groove?

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post #4 of 30 (permalink) Old 02-24-2018, 11:20 PM
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Joe ? Is your shelf a 1 thick, and how deep do want the groove to be?
Are using some kind of guide system, does the 1/2 bit have a bearing or are using a template guide? How long is the groove?
w/ grain or cross grain..
and describe the mess up..
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post #5 of 30 (permalink) Old 02-25-2018, 08:35 AM
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It may be more of an investment than you want to make at this time, but Eurekazone.com makes what they the Super Smart Routing Kit which works with their Track Saw Guide Rails. You provide your own router - usually a plunge router is used.

The available rail stops allow you to cut exact width and length dadoes & rabbets with smaller router bits. Watch the video to get a sense of it. Think hand-driven CNC router.
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post #6 of 30 (permalink) Old 02-25-2018, 10:06 AM
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My guess is that the pastor was using a straight edge, but running the wrong direction against it. Not hard to overcome when the depth was only 1/8", but too hard to keep against the fence when the load/depth increased.

Always move away from you with the fence on the left. Toward you with the fence on the right.

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post #7 of 30 (permalink) Old 02-25-2018, 11:06 AM
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Sounds like you're trying to feed the board into the bit by moving the board. Generally a dado like this should be cut by running the router across the board using some sort of guide clamped to the workpiece.

The following video is on how to make a jig called an exact fit dado jig, which allows you to easily make perfect dados with the router. It is reusable. Next best way to make them is with a table saw, be even there you will find it requires a jig to reliably make the cut 90 degrees to the edge of the board.

Here's the video. Pay particular attention to how carefully he set the glued pieces 90 degrees to the longer guide pieces. And notice that he took pains to make sure the guide edge is dead flat. You will be using a half inch trim bit, maybe 3/4 inch long with a bearing at its base. Attached is a picture of such a jig and small mortising bit with half inch shank.

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post #8 of 30 (permalink) Old 02-25-2018, 12:00 PM
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more on feed direction....
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File Type: pdf ROUTER FEED DIRECTION 5.pdf (54.6 KB, 33 views)
File Type: pdf R1 ROUTER FEED DIRECTION 2.pdf (90.0 KB, 59 views)

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post #9 of 30 (permalink) Old 02-25-2018, 07:08 PM Thread Starter
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I知 routing cross grain in the correct direction with feather boards. The blade cuts out and moves the wood messing up the straight line. I tried it again and my next pass was okay

Jesus was a wood worker and people liked Him, maybe there's hope for me too.
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post #10 of 30 (permalink) Old 02-25-2018, 07:10 PM Thread Starter
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Quote:
Originally Posted by 4DThinker View Post
My guess is that the pastor was using a straight edge, but running the wrong direction against it. Not hard to overcome when the depth was only 1/8", but too hard to keep against the fence when the load/depth increased.

Always move away from you with the fence on the left. Toward you with the fence on the right.

4D
I think it痴 the opposite you always more right to left, I think?

Jesus was a wood worker and people liked Him, maybe there's hope for me too.
Peace
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