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Author Topic: Flatten a slab with OF1400  (Read 2986 times)

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Offline juststartingout

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Flatten a slab with OF1400
« on: November 02, 2018, 11:35 AM »
Hi all,

I'm looking to flatten a 10 foot slab 40 inches wide and 2.5 inches thick.  I only have an OF1400 and am wondering if its underpowered for a 1 inch Freud straight bit?

Anyone out here have words of wisdom?

Thanks,

Oscar
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MFT3, TS55, CT 26, OF1400, RO90, RO150, Carvex PS 420 EBQ, Domino 500, and dreaming of a Kapex.
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Offline Gregor

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Re: Flatten a slab with OF1400
« Reply #1 on: November 02, 2018, 11:55 AM »
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Offline rvieceli

  • Posts: 1067
Re: Flatten a slab with OF1400
« Reply #2 on: November 02, 2018, 03:32 PM »
Cool. that's a thread that I started.  [big grin]

@juststartingout the router should work ok. Just remember it's not a 5 HP spindle in a CNC, so don't try to hog off 3/4 of an inch in a single pass.

That's a good size slab. I have noticed lately that many of the folks that specialize in selling slabs have started offering flattening services as well. So you might want to inquire.

Ron
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Offline jobsworth

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Re: Flatten a slab with OF1400
« Reply #3 on: November 03, 2018, 12:19 PM »
If it were me, Id use a RO150 with a blue pad (hard pad) start with a very course grit and work through the grits or a 850 planer.

Even better find a shop with a wide belt sander and see if they will run it through it a few times for you. Youmight have to kick him a few bucks but it will be worth it
« Last Edit: November 03, 2018, 12:59 PM by jobsworth »
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Offline SRSemenza

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Re: Flatten a slab with OF1400
« Reply #4 on: November 03, 2018, 01:55 PM »
The 1400 will spin a 1" straight bit ........... no problem.

Seth
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Offline Svar

  • Posts: 1901
Re: Flatten a slab with OF1400
« Reply #5 on: November 03, 2018, 01:59 PM »
As mentioned before 1" or 1.5" bit is fine for a 1400 Watt router. I prefer dish carving bit to straight one for flattening. It has rounded corners and makes transitions between passes less visible.
« Last Edit: November 03, 2018, 02:56 PM by Svar »
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Offline Svar

  • Posts: 1901
Re: Flatten a slab with OF1400
« Reply #6 on: November 03, 2018, 02:02 PM »
Quote from: jobsworth on November 03, 2018, 12:19 PM
Even better find a shop with a wide belt sander and see if they will run it through it a few times for you. Youmight have to kick him a few bucks but it will be worth it
And for few more bucks they'll make you the entire table...  [poke]
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Offline jobsworth

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  • Festool Baby.....
Re: Flatten a slab with OF1400
« Reply #7 on: November 03, 2018, 08:08 PM »
Quote from: Svar on November 03, 2018, 02:02 PM
Quote from: jobsworth on November 03, 2018, 12:19 PM
Even better find a shop with a wide belt sander and see if they will run it through it a few times for you. Youmight have to kick him a few bucks but it will be worth it
And for few more bucks they'll make you the entire table...  [poke]

and for a few more bucks he buy one prefinished  [doh]
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Offline waho6o9

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Re: Flatten a slab with OF1400
« Reply #8 on: November 03, 2018, 11:27 PM »
Easy peasy, it's a work horse, watch your feeds and speeds and it'll flatten that slab.

287182-0
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Offline lwoirhaye

  • Posts: 252
Re: Flatten a slab with OF1400
« Reply #9 on: November 04, 2018, 12:49 AM »
I'd use a cheaper fixed base router personally.    Ebay special.

I know doing it yourself sounds exciting but you might do as some other have suggested and call around to see about wide belt service.
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Offline hdv

  • Posts: 75
Re: Flatten a slab with OF1400
« Reply #10 on: November 04, 2018, 04:35 AM »
I use the Festool sled (MFS-FS) and routing template (MFS 700) combined with my OF1400 for this. Search for Festool 495648 Routing Slide. Up to now it has done a good job for me. Maybe it will meet your needs as well?
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Offline Farming_Sawyer

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    • Foley's Custom Sawmill
Re: Flatten a slab with OF1400
« Reply #11 on: November 04, 2018, 07:50 AM »
Router sled is about the only thing that works to take cup And twist out of a large piece. Much nicer to work on a 200lb or greater piece without having to constantly move it.
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CT 26E, RO125, sys-mft, sys-toolbox, a bunch of 30 year old tools I'm looking to replace.

Offline waho6o9

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Re: Flatten a slab with OF1400
« Reply #12 on: November 04, 2018, 08:23 AM »
Make a pair of winding sticks to check for twists in the slab.

Pubic Domain:
287186-0
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Offline rst

  • Posts: 2277
Re: Flatten a slab with OF1400
« Reply #13 on: November 04, 2018, 06:20 PM »
I use 8020 extrusions...
287222-0  I have 96" 1530s that I use but I could get up to 20'ers if I was to buy from a distributor rather than the 8020 Ebay store.
I also have 1545s although shorter versions.  These could be used for longer stiffer versions for the side quides.
« Last Edit: November 04, 2018, 06:24 PM by rst »
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Offline Vondawg

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Re: Flatten a slab with OF1400
« Reply #14 on: November 04, 2018, 09:38 PM »
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Online Cheese

  • Posts: 6604
Re: Flatten a slab with OF1400
« Reply #15 on: November 05, 2018, 01:03 AM »
Quote from: Svar on November 03, 2018, 01:59 PM
As mentioned before 1" or 1.5" bit is fine for a 1400 Watt router. I prefer dish carving bit to straight one for flattening. It has rounded corners and makes transitions between passes less visible.

I’ve used a 3/4” or 1” diameter bowl bit in a 1010 for flattening Brazilian cherry. It worked fine and reduced the “stepping” transitions in the flatenning process. Less work for the sander.  [big grin]
« Last Edit: November 05, 2018, 02:19 AM by Cheese »
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Offline Sparktrician

  • Posts: 3836
Re: Flatten a slab with OF1400
« Reply #16 on: November 05, 2018, 10:03 AM »
Quote from: Cheese on November 05, 2018, 01:03 AM
Quote from: Svar on November 03, 2018, 01:59 PM
As mentioned before 1" or 1.5" bit is fine for a 1400 Watt router. I prefer dish carving bit to straight one for flattening. It has rounded corners and makes transitions between passes less visible.

I’ve used a 3/4” or 1” diameter bowl bit in a 1010 for flattening Brazilian cherry. It worked fine and reduced the “stepping” transitions in the flatenning process. Less work for the sander.  [big grin]

I use an Amana Tool 45453 carbide-tipped straight plunge bit in either the OF 2200 or the OF 1400.  Another good option is the Whiteside #6220 Spoilboard Cutter.  No bowls to sand out either way, @Cheese. 
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 "Remember, a chip on the shoulder is a sure sign of wood higher up." - Brigham Young
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