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Reply by REO

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Posted on Cupped wood = bent blade?

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REO

929 posts in 2634 days


#1 posted 11-27-2014 04:28 PM

is the blade permanently bent? the heat from burning wil make the rim expand faster than the center of the blade and it will bow but when it cools down it will return to normal. it can be straightened if the blade is worth it. it is called hammering. large blades are hammered to prestress them to run true.

some other venues:
a blade with less teeth
a blade with more set
use a cheap blade and offset one tooth one way on one side and another the other way on the other side, be sure to set the tooth toward the tip and not away. this will give more clearance. use teeth 180 degrees apart on the circumference. This will help to allow more clearance so the stress built up during drying don’t bring the board together after the blade and stick on the riving knife or the back edge of the blade.


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