routed grooves for tablesaw outfeed tabl
I built a tablesaw outfeed table and now have to rout the grooves for the tablesaw sled runners and miter guage. Does the width of the outfeed table groove have to be the same close tolerance as the miter gauge slot on the tablesaw? It seems to me the alignment work is being taken care of by the tablesaw groove and not necessary to be tight on the outfeed table. I’m concerned that any bump in the outfeed table will misalign the slots and cause problems.
thanks,
(I posted this on “ask the experts” a couple of days ago and haven’t received a response, maybe someone could give me some feedback)
Replies
Typically the slots in the outfeed table are wider and slightly deeper.
If you wanted to have them match up, you would either have to permanently and rigidly mount the outfeed table, or come up with a very precise indexing system so you could get them back in alignment.
no
Definitely make them wider and deeper. If you cut them with a small tolerance it will work until you accidently bump the table. Next thing you know you are trying to use the miter gauge and it hits the outfeed table.
Adam
It's unimportant to have the outfeed table's grooves milled to the same precise tolerances as those on the cast iron saw table. Once the miter gauge or cutoff sled has moved past the blade, it doesn't really matter if there is slop in the grooves or not. At that point the cut is complete.
Zolton
Sorry that you didn't get a timely response at the experts page, but the question wasn't in my column.
As others have said, the groove in the table should be over size in cross section. I would also recommend making it fairly long, 24" to 30" to allow room for longer shop made jigs like large cut off sleds. You should also drill two or three evenly spaced,large diameter, holes in the bottom of the slot to give saw dust someplace to escape.
John White, Shop Manager, Fine Woodworking Magazine
John,
Good point! I hadn't thought of the holes for dust extraction.
Thanks
TDF
Thanks to everyone for your response. They (the responses) confirmed my suspicion.
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