Author Topic: Back panel rabbet  (Read 1424 times)

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Offline Mario Turcot

  • Posts: 429
Back panel rabbet
« on: January 18, 2018, 11:14 AM »
I need advice on what accessories to use to make back panel rabbet using the OF 1400 for the first time.

Should I use the edge guide or the guide rail combined with the guide stop. I am asking because I have to buy either the edge guide and/or guide stop.

Or any better setup. Also what bit would you recommend, I am looking at Amana Multi Rabbet Bit

Thanks, Mario
Mario

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Offline tjbnwi

  • Posts: 5616
  • Cedar Tucky Indiana
Re: Back panel rabbet
« Reply #1 on: January 18, 2018, 11:18 AM »
Just use the rabbet bit. The bearing will guide it. Be careful not to tip the router.

Tom

Offline bnaboatbuilder

  • Posts: 130
Re: Back panel rabbet
« Reply #2 on: January 18, 2018, 11:18 AM »
A rabbet bit kit with multiple bearings for different depth is ideal and offers more options long term. I would suggest clamping supportive material for the router to sit on. Too much chance for it to tip different directions.

It can also be very useful to cut the rabbets with a router or dado set on table saw before assembly.
- John

Offline SRSemenza

  • Global Moderator
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  • Posts: 8466
  • Finger Lakes Region, NY State , USA
Re: Back panel rabbet
« Reply #3 on: January 18, 2018, 11:22 AM »
Yup, bearing guided rabbeting bit.  [thumbs up]

Seth

Offline Mario Turcot

  • Posts: 429
Re: Back panel rabbet
« Reply #4 on: January 18, 2018, 11:33 AM »
I don't know what I was thinking when I made that post. I first was looking at using a straight bit, than I found that multi rabbet bit and totally forgot about the bearing.

Okay! let's do a fresh start, what setup would you use if it was a straight bit?
Mario

Offline Mario Turcot

  • Posts: 429
Re: Back panel rabbet
« Reply #5 on: January 18, 2018, 11:35 AM »
A rabbet bit kit with multiple bearings for different depth is ideal and offers more options long term. I would suggest clamping supportive material for the router to sit on. Too much chance for it to tip different directions.

It can also be very useful to cut the rabbets with a router or dado set on table saw before assembly.

Thanks for the tip  [big grin]
Mario

Offline tjbnwi

  • Posts: 5616
  • Cedar Tucky Indiana
Re: Back panel rabbet
« Reply #6 on: January 18, 2018, 11:35 AM »
I don't know what I was thinking when I made that post. I first was looking at using a straight bit, than I found that multi rabbet bit and totally forgot about the bearing.

Okay! let's do a fresh start, what setup would you use if it was a straight bit?

Edge guide.

Tom

Offline Mario Turcot

  • Posts: 429
Re: Back panel rabbet
« Reply #7 on: January 18, 2018, 11:55 AM »
Thanks Tom, the edge guide is next on my wish list  [wink]
Mario

Offline tomp

  • Posts: 42
Re: Back panel rabbet
« Reply #8 on: January 18, 2018, 03:06 PM »
You didn't say how large the cabinet was, but here's a method I've used on smaller cabinets. Took a straight piece of 2x4, jointed so two adjacent faces are flat and square, and clamped it to the edge of the cabinet. Used that to support the router with a rabbeting bit, cutting one side at a time. The back is cut to size and the corners cut with a radius to match the rabbeting bit - 5/8" radius in my case. It's actually quite quick as I use a spring clamp initially to get the 2x4 close until I can get the clamps on it. The back panel is cut to size, the corners rounded using router and jig and the panel glued and nailed in place.

Offline bnaboatbuilder

  • Posts: 130
Re: Back panel rabbet
« Reply #9 on: January 18, 2018, 04:24 PM »
Back to the OP's original question about an edge guide with a straight bit to rabbet the inside back, I can't possibly see how that is going to work.

If the cabinet is assembled, you can't use an edge guide on the interior (only on the exterior). You simply won't get anywhere near the corners on the inside with the Festool edge guide, 6" or so away from the corner.

A rabbet bit with bearing as shown above is the only practical way. If you want to use a straight bit, then you will need a more complex jig, template guide, etc.

Buy a rabbet bit set.
- John

Offline rst

  • Posts: 1898
Re: Back panel rabbet
« Reply #10 on: January 18, 2018, 05:12 PM »
Just a note on rabbeting bits.  I've had the Amana Super Rabbet set, 1/2" shank that does 21 different depths for a lot of years.           routerbitworld.com/CMT-835-503-11-The-Grand-Rabbet-Set-p/cmt%20835.503.11.htm  is also an alternative. 

Offline Mario Turcot

  • Posts: 429
Re: Back panel rabbet
« Reply #11 on: January 18, 2018, 11:59 PM »
You didn't say how large the cabinet was, but here's a method I've used on smaller cabinets. Took a straight piece of 2x4, jointed so two adjacent faces are flat and square, and clamped it to the edge of the cabinet. Used that to support the router with a rabbeting bit, cutting one side at a time. The back is cut to size and the corners cut with a radius to match the rabbeting bit - 5/8" radius in my case. It's actually quite quick as I use a spring clamp initially to get the 2x4 close until I can get the clamps on it. The back panel is cut to size, the corners rounded using router and jig and the panel glued and nailed in place.

That's a nice tip @tomp I took note :) The cabinets are 57"x26" ish

@bnaboatbuilder The cabinets are not assembled yet. I am making the rabbet before assembly.

@rst I ordered the Amana Tool 49350 Multi-Rabbet Six Different Rabbet Depths 1-3/8 D x 1/2 CH x 1/2 Inch SHK Router Bit.
Mario