I use a 1-1/2 inch Magnate surface planing bit in my manually controlled setup, similar to router skis.
Would you set it up so that the disc is exactly parallel to the slab or with a slight cant to the face of the grinder?Tiny it's possible to make a sled like for a router and attach an angle grinder to it instead by using the threaded holes for attaching the handle to the grinder. It won't do as smooth a job as the router will but it would be much faster.
The Arbortech wheel has round tips if I remember correctly and there is another brand (can't think of the name right now but it's the one Two Skies used to hollow out the seat of his Maloof inspired rocker) that comes as a dished wheel or flat. The dished one would work with no problems. Any sled using an angle grinder would have to attach to it at the handle holes on either side plus attach the end of the handle for stability and to keep the disc oriented correctly. That could be something as simple as a cable tie wrapped around the handle to a crossbar.Would you set it up so that the disc is exactly parallel to the slab or with a slight cant to the face of the grinder?
Wouldn't there be a lot of resistance generated if it were flat to the slab?
I have seen pictures of stands made to hold those, and use them upside down, something like a mini jointer. If I recall right they mostly used a piece on each side of the handle, with a couple of bolts going thru the hole, and clamping it tight. It would take some figuring to use one right side up, but I would say it could be done, especially if you used a center piece in the handle hole, so it would be must less likely to shift.I've thought about that one Gary and I have a 3" Makita but there are no points on it to use to attach it to anything.
I had thought about one of those when the same subject was being discussed on an earlier thread as I have one (never used) that I'd bought to use with my radial arm. Thinking that this would be quicker than a router as the cutting diameter was much larger. The one I have has a female threaded socket, meant to thread on the saw arbor. I would think that you could get a threaded male stub that mounts on a motor shaft. If the motor had a mounting flange, it should be fairly easy to make an adapter to fit it on the sled. Just by coincidence, I was talking to the buddy that I helped stack a few piles of freshly sawn red oak slabs; he now thinks that they're dry enough to finish so we've been discussing how to get things set up. I remembered the video by Michael Gildersleeve showing how to level the 4x8 sheet used as the basis for a torsion box work top and felt that the same method could be used to level a single sheet on top of 2x4's sitting on saw horses to get a flat surface to sit the slabs on for milling.Here is another method using the drill press.
StewMac Safe-T-Planer | stewmac.com
Solid Surface Planer Router Bits