6" jointer problem of chattering - Woodworking Talk - Woodworkers Forum
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post #1 of 2 Old 07-21-2016, 09:06 PM Thread Starter
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6" jointer problem of chattering

Hi, My Rockwell 6" jointer has suddenly started to chatter, does anyone know why that might be and how I stop it please?
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post #2 of 2 Old 07-21-2016, 09:57 PM
where's my table saw?
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First thought ... dull blades.

If the wood is not mixed grain direction, then I suspect it's time to sharpen the blades. A dull blade will "hammer" the wood and remove rougher chips rather than slice into it and remove a clean chip. You can also tell when feed pressure has to be increased, even just slightly over previous operations. Setting the blades at even heights can be a challenge, so read up on that or watch some You Tubes.
I have a simple method which I call "jumping the bar". You take a smooth and straight aluminum bar, lay it across the rear table and the cutter head and rotate the cutterhead forward. You watch to see how much it jumps each time it contacts the blade. The less it jumps the closer to dead even across the blade is.
It's kinda "stone age" but it really does work well for me. I have other fancy magnetic blade holders and gizmos, but I prefer this method.

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The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 07-21-2016 at 10:01 PM.
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