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post #1 of 6 (permalink) Old 05-29-2012, 09:58 PM Thread Starter
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Default burning the wood

Most of my experience is in woodturning. I recently bought a modestly priced router table as I have been trying my hand at some cutting boards. I am ending up with burned places on my routed edges. Am I running the router too fast or too slow or am I feed the the wood too fast. It is all hardwood.
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post #2 of 6 (permalink) Old 05-29-2012, 10:29 PM
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Some woods, like maple, are hard to rout without burning. Slowing the bit down might help. A really sharp bit will also help. A really sharp bit with a shear angle on the cutter might do better yet. Experiment a little and see if you can get an improvement.

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 #3 of 6 (permalink) Old 05-30-2012, 12:21 AM
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Welcome, most hard woods need to slow the bit down

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post #4 of 6 (permalink) Old 05-30-2012, 03:29 AM
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Greetings Tim,

Welcome to The Router Forums.

Material scorching can be quite the pain in the backside.

Just off hand, what kind and size (cutting tip) of bit are you using, and how deep of pass are you making? The larger the length of the bit that is in contact with the material during the cut, the more challenging it becomes to make it cleanly.

The exact type of hardwood could be an issue. Most are between 1000 & 2000 on the JankWhat is the janka hardness rating for wood?a scale, and some are well under a 1000, which is a lot of variance.

Thank you for taking the time to join up and introduce yourself. This is a great place to exchange ideas and information on how to get the most out of your router!

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post #5 of 6 (permalink) Old 05-30-2012, 06:45 AM
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The species of hardwood is important. Cherry is famous for burning without the sharpest of bits and precise feed rates.
You should be able to hear when your router is laboring too much. Try lighter passes. Removing less and make the final pass 1mm (1/32 approx) and you should be OK
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post #6 of 6 (permalink) Old 05-30-2012, 09:50 PM Thread Starter
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there are 14 species of wood in the cutting board and seemed to be able to burn most of them. I will try a slower speed and the bit has only been used twice (1/2 " roundover bit).
Thanks for all of the advice.
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