Tools & Materials
How to Shim a Jointer
Learn how to fix a sagging outfeed table on your jointer.
Oct 21, 2014
If your jointer’s knives are installed properly, yet you still find yourself having trouble milling wood dead flat, chance are the problem lies in your machine’s outfeed table. A misaligned outfeed table can cause tapered cuts, or cuts that exhibit a visible “belly” in the middle.
The good news is that the solution isn’t all that difficult. You can shim your jointer’s outfeed table using brass shim stock, making it coplaner with the machine’s infeed table, just like it was when it rolled off the factory floor.
In this short video, Ben Blackmar demonstrates the right way to shim a jointer.
For more on setting up a jointer
- Machine Setup: Adjusting Jointer Tables
- Machine Setup: Setting Jointer Knives
- How to Tune Up Any Jointer
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Comments
Good video, although I wished you had said a little more about how *specific* "out-of-adjustment" conditions relate to jointing issues. For example, if your outfeed table is sloped down, does this cause a "belly" on the jointed edge? What is the effect of an outfeed table sloping upward?
You mentioned both tapered work pieces and a belly on the jointed edge in the video, but I am unclear if both are caused by a downward sloping outfield table.
Thanks, Frank
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