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+-- Thread: Slab Flattening Jig- Build or Buy (/showthread.php?tid=7377959)
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RE: Slab Flattening Jig- Build or Buy - iclark - 02-20-2025
(02-20-2025, 10:46 AM)Brian in sunny FL Wrote: Shameless plug but I'm overstocked on the Whiteside 6220 spoilboard/slab flattening bits if anyone is interested. While I can't post prices discount will be substantial and send a message if interested.
Brian is a long-time supporter of WN and a great person to do business with. IMHO
RE: Slab Flattening Jig- Build or Buy - Admiral - 02-20-2025
(02-20-2025, 10:46 AM)Brian in sunny FL Wrote: Shameless plug but I'm overstocked on the Whiteside 6220 spoilboard/slab flattening bits if anyone is interested. While I can't post prices discount will be substantial and send a message if interested.
Another vote for kudos to Brian and Holbren. I regularly refer people to Holbren for bits and jointer/planer knives.
RE: Slab Flattening Jig- Build or Buy - ajkoontz - 02-20-2025
(02-20-2025, 01:58 PM)iclark Wrote: If your long rails are not straight, parallel, level, and provide support for your router for the full length of your bench top; then your bench top will be prone to being "flattened" with humps and dips down the length.
The one in the picture looks like you would get short sections of the bench top routed to being in the same plane but no guarantee that the plane for one section would be parallel with (or at the same height as) any other section of the top.
My plan for the bench was to screw some sideboards to the bench and level them with the 2 strings crossing in the center trick. I think that's how TWW did it. That's still the plan, I'll just build my own jig instead of buying.
RE: Slab Flattening Jig- Build or Buy - ajkoontz - 02-21-2025
(02-20-2025, 10:46 AM)Brian in sunny FL Wrote: Shameless plug but I'm overstocked on the Whiteside 6220 spoilboard/slab flattening bits if anyone is interested. While I can't post prices discount will be substantial and send a message if interested.
Brian- I'm interested in a bit. For some reason I don't think my pm's are going thru. Maybe you can try me, or my email is my WN username at yahoo.com.
RE: Slab Flattening Jig- Build or Buy - stav - 02-21-2025
(02-20-2025, 10:46 AM)Brian in sunny FL Wrote: Shameless plug but I'm overstocked on the Whiteside 6220 spoilboard/slab flattening bits if anyone is interested. While I can't post prices discount will be substantial and send a message if interested.
Do you have to have a CNC to use these?
RE: Slab Flattening Jig- Build or Buy - Tapper - 02-21-2025
(02-20-2025, 11:58 AM)FrankAtl Wrote: John's a great contributor! Takes time to answer a lot of questions and includes great photographs. I'd like to thank him too!
Doubling down on this one - dittos!
Doug
RE: Slab Flattening Jig- Build or Buy - Brian in sunny FL - 02-21-2025
Thanks all for the kind words. All messages replied to.
RE: Slab Flattening Jig- Build or Buy - only 3 injuries - 02-23-2025
I used that setup to flatten mine, it worked great.
RE: Slab Flattening Jig- Build or Buy - Cabinet Monkey - 02-28-2025
I’ve done both.
I’d recommend the Lee Valley kit with some EMT pipe. For under $200 and an hour of time you can be flattening anything you can handle without a forklift or gantry.
RE: Slab Flattening Jig- Build or Buy - Brian in sunny FL - 03-03-2025
(02-21-2025, 09:05 AM)stav Wrote: Do you have to have a CNC to use these?
You do not but need a decent sized router. All of the slab flattening jigs and techniques being discussed use conventional routers.
The bits were created for flattening the spoilboard on a CNC but are very popular in slab flattening. I think the reason you see braised carbide versions now is for slab flattening as the carbide insert versions are larger diameter and much more expensive for a one off job.