Blade sharpening - Router Forums
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post #1 of 14 (permalink) Old 03-17-2019, 12:35 PM Thread Starter
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Default Blade sharpening

I've searched the net and Youtube for "How to sharpen table saw blades" and would like to ask the forum for some guidance. My blades are carbide teethed.
Thanks in advance.
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post #2 of 14 (permalink) Old 03-17-2019, 12:49 PM
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I believe everybuddy here sends them out..
that's a task that takes specialized equipment and you risk ruining the blade,,

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

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post #3 of 14 (permalink) Old 03-17-2019, 12:54 PM
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Stick said it best.

The more I do, the less I accomplish.
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post #4 of 14 (permalink) Old 03-17-2019, 01:56 PM
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I took a miter saw blade that I had used to install a laminate floor and it wouldn't cut wood without smoking anymore. I sharpened it with a drill by hand estimating the angle and checking the teeth to make sure I had ground the entire face of each tooth. I used a 3" one of these: https://www.ebay.com/itm/10PCs-16-40...4AAOSwUxhbNo9v It improved the cut measurably. It would cut a 2 x 4 without smoking but that is all I expect it do is chop utility cuts that don't matter. To get it back to woodworking quality I would do what Stick said and send to a professional sharpening service that uses a CNC sharpening machine.
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post #5 of 14 (permalink) Old 03-17-2019, 02:22 PM
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Watch this and then decide what to do. I have bought this fellows plans but haven't got around to making the jig yet. I think that for my utility blades that this jig will perform very well however I won't use it on my Forrest blades and other high end blades. The last time I sent blades out to be sharpened I paid over $300 and decided that this jig would pay for itself pretty quickly.

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post #6 of 14 (permalink) Old 03-17-2019, 02:46 PM
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I send mine out, they charge $15.00/10" TS blade,and clean them like new, they cut even better than new, a stack of 16 blades, cost me $250. that will last me a Loooong time. they were mostly 40t and 80t with a couple of 24t. 3 other blades were reject for bent/damaged teeth.
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post #7 of 14 (permalink) Old 03-17-2019, 03:37 PM
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Good video Brian. The sharpening wheel should be a max of 600 grit. I've been looking for one that has a center that will fit something I already own and thick enough to be rigid while sharpening. You don't have to spin it at angle grinder speeds. A drill was fast enough but takes a little longer. Like you said, plenty good enough for utility cuts.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #8 of 14 (permalink) Old 03-18-2019, 07:57 AM
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While I think innovation and invention is great when it comes to my prized blades I want the pros with the best equipment to take care of my blades. There's more to it then just sharpening the tips, there flatness and balance. I can see where an out of balance blade could have a detrimental effect on the arbor and motor over a long time. While the plan above constructed properly may make a difference in cutting performance I'd be really interested to see what condition the blade itself is considered to be by the experts. Now I don't mind sharpening my chainsaw teeth but then that's a bit different....

And I'm not saying those plans are bad, they may well be a great way to go but there's more to it then just sharpening.......just saying.
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post #9 of 14 (permalink) Old 03-18-2019, 08:05 AM Thread Starter
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Default Blade sharpening

Thanks everyone.
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post #10 of 14 (permalink) Old 03-18-2019, 08:12 AM
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Send em out!!
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