A jointer is no more necessary than any tool, but it sure holds a place in my shop that no other tool can match. You can't do all your jointing on a TS....you can only edge joint. Jointing a flat face is critical in creating a reference surface in dimensional lumber from which all other surfaces are squared and flattened. If you edge joint with a TS (or router) on a board that isn't perfectly flat, the edge won't be perfectly 90° adjacent to the face.
A jointer is the most effective and efficient tool at flattening a face, though it can also be accomplished using a hand plane, or a thickness planer equipped with a sled that uses the sled's base as a flat reference surface.
If you use mostly sheetgoods, then a jointer will be less critical, but without one for dimensional lumber, you're either doing workarounds for tasks that the jointer excels at, you're having someone else do those tasks, or you're living with "close enough" for all your joinery.
A jointer is the most effective and efficient tool at flattening a face, though it can also be accomplished using a hand plane, or a thickness planer equipped with a sled that uses the sled's base as a flat reference surface.
If you use mostly sheetgoods, then a jointer will be less critical, but without one for dimensional lumber, you're either doing workarounds for tasks that the jointer excels at, you're having someone else do those tasks, or you're living with "close enough" for all your joinery.


LCHIEN
Loring in Katy, TX USA
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