Jointing on Table Router ?? - Router Forums
 
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post #1 of 10 (permalink) Old 10-06-2007, 12:40 AM Thread Starter
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Default Jointing on Table Router ??

Until I buy a jointer, I want to use my router table for that function. I've heard that using a wide diameter cutter gives a smoother finish. But most of the manufacturers have a limited offering in sizes above 1" diameter. And the lengths seem to top at bout 1.5".

What are my best options?

1 1/8" Cutting diameter at 2 inches carbide length
1 1/5" Cutting diameter at 1.25 inch carbide length

Gary Curtis
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post #2 of 10 (permalink) Old 10-06-2007, 01:25 AM
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Hi Gary

This just my 2 cents,, the small the bit will do a better job than the big bits, just run your router at the max speed.....if you can get by using the shorter bits use the Shear Angle bits if not use one of the tall bits below..

Shear Angle Straight Router Bits

2 flute, carbide tipped.
The shear angle cutting flutes produces a smoother cut than traditional straight fluted bits.
Instead of chopping at the wood fibers at a 90º angle, the shear angle design allows for smoother shear angle, slicing cuts.
Use this bit to eliminate tear-out problems from routing end or cross grain on very hard woods.

http://www.mlcswoodworking.com/shops...r_angle_anchor

1/2" SH 2-1/2" Extra Long Flush Trim Router Bit
http://cgi.ebay.com/1-pc-1-2-SH-2-1-...QQcmdZViewItem

1/2" SH 3" Blade Extra Long Straight Router Bit
http://cgi.ebay.com/1-pc-1-2-SH-3-Bl...QQcmdZViewItem

1/4" SH 3" Blade Extra Long Flush Trim Router Bit
http://cgi.ebay.com/1-pc-1-4-SH-3-Bl...QQcmdZViewItem

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post #3 of 10 (permalink) Old 10-06-2007, 09:45 AM
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As Bob J points out the smaller is better, Bob and Rick use a similar 1/2 dia bit with a shear angle on it as well.

http://us.oak-park.com/catalogue.html?list=RBIT-RB42-
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post #4 of 10 (permalink) Old 10-07-2007, 11:19 AM
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Hello Gary I used the router table for jointing before I had a jointer. Found using a 1/2" straight bit was the way to go. Use you router at full speed if it is a variable speed. It is just the practice of using a bit that is longer for the height of material you want to joint. But be sure to use a 1/2" shanks in your table you will find it more controlable and safer. 1/4" shank bits have a better chance of breakage in a table due to the pressure applied. The jointer that I bought I got from grizzly it wasn't a monster machine it is a 4" jointer figured that I had a planer so I only use it for up to 2" stock. So look into one of these or a delta. This is a bench model so if room is an issue and you have a planer already I'd reccomend this model.

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post #5 of 10 (permalink) Old 10-07-2007, 05:00 PM Thread Starter
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Regarding the suggestions, I was under the assumption that the widest possible cutting diameter was optimum. Trying, in effect, to approach the diameter of a shaper cutter to minimize the 'attack angle' of the cutter and thus eliminate chopping action.

I've got more than a few 1/2" straight bits. Some of them spiral. How can these equal, say, a 1 1/8" bit?

Gary Curtis
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post #6 of 10 (permalink) Old 10-08-2007, 11:00 AM
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Why not try both Gary and let us know you're conclusions?

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post #7 of 10 (permalink) Old 10-15-2007, 10:34 PM
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It makes sense to me that a small bit spins faster making a cleaner cut. Will spiral mills work as planer bits? I bought one today (1/4") for mortising and haven't had the chance to play with it yet. Woodsmith #67 says "If I were to buy just one bit, it would be a 1/4" -dia. solid carbide end mill" So I did and it only cost 8 bucks.
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post #8 of 10 (permalink) Old 05-05-2008, 10:02 AM
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Quote:
Originally Posted by petersenj20
It makes sense to me that a small bit spins faster making a cleaner cut. Will spiral mills work as planer bits? I bought one today (1/4") for mortising and haven't had the chance to play with it yet. Woodsmith #67 says "If I were to buy just one bit, it would be a 1/4" -dia. solid carbide end mill" So I did and it only cost 8 bucks.

I believe the larger diameter bit equals faster speed at a given RPM because the outside edge(where the cutters are) has to travel further in the same amount of time as the inside of the bit...this is why you want to turn your speed down when using 2-3 inch bits, for whatever that's worth.


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post #9 of 10 (permalink) Old 05-05-2008, 11:20 PM
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Quote:
Originally Posted by garycurtis
Until I buy a jointer, I want to use my router table for that function. I've heard that using a wide diameter cutter gives a smoother finish. But most of the manufacturers have a limited offering in sizes above 1" diameter. And the lengths seem to top at bout 1.5".

What are my best options?

1 1/8" Cutting diameter at 2 inches carbide length
1 1/5" Cutting diameter at 1.25 inch carbide length

Gary Curtis
Hello Gary,

I have been using my router table for jointing for about 2 years. I bought the longest 1/2" Bosch straight bit at Lowes I could find I believe it was 1.5 or 2" long. I had not tried a spiral up or down shear bit but it should work also. I would not buy an expensive one until you see which one works the best. I was running alos of Walnut, Cherry and Hard Maple so it does not take long to dull them. The straight bit you can touch up the edges with a Diamond sharpener if you are comfortable with that.

Hope this helps
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post #10 of 10 (permalink) Old 05-06-2008, 05:03 PM
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I prefer using this one: http://us.oak-park.com/catalogue.htm...product=42-116

You can't beat a shear angle bit.

Ken

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