On Wednesday, June 24, 2015 at 9:57:43 AM UTC+1, stuart noble wrote:
Or he may have a blunt blade though I'm also more inclined to go with
the misaligned theory.

Leave off the fence and push the timber through free hand.(CAREFULLY
using at least one push stick) If it doesn't scorch then the fence is
the problem


IME most hardwood scorches because of the resin content. I've got
various bits and bobs lying around, some of which are at least 150 years
old, and they still bleed resin when cut. I would test the blade on
sheet materials or decent quality softwood.

Not my experience. I'm using some oak obtained when an old teacher training college closed. Judging by the style of the construction the general finish and the age of the school this furniture is at least 70 years old. Cutting it on a table saw gave no burning. It mostly cane out of a lab.

There was also some pine among the items and it had the most beautiful scent when re-cut.

Nearly all gone now into Versailles planters.

Similar story with some native oak we re-cut out of an 8ft log some 15 years ago and air dried. Bugger to cut but no burning and the appearance of the quarter sawn boards is beautiful. The reason we re-cut it ourselves was to get the best of it quarter sawn

Good sharp blade and right speed of cut should give good resukts.

What hardwood were you using with a high resin content ?