How to flush trim T Trak slot - Router Forums
 
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post #1 of 5 (permalink) Old 11-09-2011, 07:00 AM Thread Starter
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Default How to flush trim T Trak slot

Hi everyone, Need a little help here.
I am in process of building first router table. I have a 2layer 1inch thick marine ply table top onto which I am going put a 1.5mmthick formica top.
I have no probs trimming the formica in Mitre slot as its 20mm deep, but the t trak slot is only 9mm deep and my flush trim router bit is too long, ie the allen screw which is holding in the bearing is in the way. I could remove the bearing but then will have no guidance, would in effect be a straight cutter.
Please help
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post #2 of 5 (permalink) Old 11-09-2011, 08:17 AM
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2 things come to mind.
Buy a a special bit for trimming in shallow dados, such as this
Flush Trim Router Bits - Small Pilot for Shallow Dado, Solid Carbide - Southeast Tool SCD210 - Carbide Processors

Or, clamp a straight edge at the required offset from the dado and us a normal straight bit to trim the laminate.
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post #3 of 5 (permalink) Old 11-09-2011, 09:18 AM
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Paul, I'm not positive that I am understanding your situation as intended, but if I am; you may be able to do one of the following:
1: adjust how your router motor is sitting in the base;
2: add to the thickness of your router's base plate;
3: a bearing guided bit can also be running along a thicker straightedge than what is limiting you. Be careful to clamp effectively - while never blocking the router's intended travel path. OPG3
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post #4 of 5 (permalink) Old 11-09-2011, 09:39 AM
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HI

I will 2nd Gav post that bit will do a fine job..

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Quote:
Originally Posted by gav View Post
2 things come to mind.
Buy a a special bit for trimming in shallow dados, such as this
Flush Trim Router Bits - Small Pilot for Shallow Dado, Solid Carbide - Southeast Tool SCD210 - Carbide Processors

Or, clamp a straight edge at the required offset from the dado and us a normal straight bit to trim the laminate.



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post #5 of 5 (permalink) Old 11-09-2011, 10:36 AM
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Quote:
Originally Posted by TheOakDude View Post
Hi everyone, Need a little help here.
I am in process of building first router table. I have a 2layer 1inch thick marine ply table top onto which I am going put a 1.5mmthick formica top.
I have no probs trimming the formica in Mitre slot as its 20mm deep, but the t trak slot is only 9mm deep and my flush trim router bit is too long, ie the allen screw which is holding in the bearing is in the way. I could remove the bearing but then will have no guidance, would in effect be a straight cutter.
Please help
I assume since you are using flush trim bits, you have guide strips clamped/sticky taped/glued along the intended groove. If thats the case, just use thicker guide strips.

John Schaben

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