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Hey, folks. Found this forum on the web. I joined in the hope of getting an answer to this question. I am building an entertainment center from plans in and old Woodworker magazine, and it calls for rabbeting an allowance 1/2" by 1/4" deep to set in the back panel of 1/4" ply. The rabbit will be in 3/4" oak ply stock. Do I rabbet with the plywood on edge or flat on the router table?

I am new to router work, although I have done lots of carpentry over the years, remodeling, putting in doors, taking out walls, etc. My experience is all in framing and simple finishing, and I'm now having to learn a new skill.

Thanks for the help (in advance.)
 

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Cut with the plywood goodside down flat on the table,while it can be done with the wood on enf this is usually easier to handle.

Good Lyck

Jerry
 

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WoodenShoe
You didn't say how big the entertainment center is.
If you can get parts on the router table use it if not use the guide/fence on the router after you have it as one cabinet..
BUT I don't recommend using a rabbit bit for this job.
Rabbit bits will rip the plywood out, use Carb.bit ,one small cut (3/32") 1st.then one more. (you are cutting end grain and with the grain on the plywood in one cut and plywood likes to snap out (rip))

Bj :)
 

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Flat on the table is the best way to control the cut. I assume the width of cut is the 1/2" measurement accross the 3/4" ply. thickness, right? And the 1/4" cut is the depth of cut into plywood.

Think about using the 3/8" rabbeting bit with a fence to make the cut and remember not all rabbeting bits are created equal. Find the bit with a shear angle on the flutes. (router bit flutes are on an angle) The larger the diameter of router bit the better the cut. You expose 1/4" of the bit though the fence and raise the depth cut on the bit to the full 1/2".

To understand how the rabbeting bit cuts check out this tip on exposed edges. http://www.routerforums.com/showthread.php?t=370

To prevent chip out you can build a chip break on the infeed side of the router fence. Check out this tip: http://www.routerforums.com/showthread.php?t=127



Good luck, any other questions?
 
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