Flattening Bits on a 1400

Redcabin

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Joined
Aug 14, 2022
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6
I'm trying to setup slab flattening with my 1400. I've removed the bushing guide so I see how the router can fit up to a 63mm bit. That's great except it looks the dust extraction port won't fit on there with a larger bit like 1.5-2". In a perfect world I'd pick up a 2200. Too bad that I've already overbought other tools. A Makita I have works fine except it sprays chips a'plenty. Unless I'm missing something options are: get a small flattening bit, make a mess inside the shop, or pour a slab to use for outside flattening.
 
most flattening setups i've seen use brushes at the gantry to create the dust collection. I don't think the router will ever be able to since it's floating above the workpiece.
 
You can fit the 1400 dust shroud around a larger bit, but you have to keep the depth of cut set. If the plunge is allowed to fully retract, you'll blow up your dust shroud. There's just enough room to slip the shroud around the shaft where the flat is milled. Sedge has a quick demo of it on one of his Sedgetool videos.
 
Jeff is 100% correct. I have done that many times, with bits of larger diameter. The extraction port does help, it's far better than nothing, but you are still going to create some kind of mess. The biggest bit I have had in mine is 50mm and the OF1400 did a fine job with it.
 
I have used this 52mm diameter bit to flatten an old oak table with my OF 1400 without problem;https://www.cmtorangetools.com/eu-en/industrial-router-bits/slot-cutters-8-922

The Festool bit is nicer in that the edges are rounded instead of having just a 45° fillet.

And yes, with xl bits you fit the dust cover first then put in the bit. On my OF-1010 I have shattered thr separate top cover of the dust ring once by allow a larger bit to un-plunge while spinning.
 
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