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Originally Posted by Router is still my name Router bit speed chart rules are not written in stone. They are a safe basic starting point
that's why routers don't have exact gradual ruller scale for speed. Most important is your feed rate that will contribute considerably to the end result.
Also how sharp your router bit is, What profile, the bit design as far as anti kickback and balance. |
Ok, let's take a look at feed rate. I have two categories of bits, super cheap and super expensive. For the most part and for the day to day stuff, I use the super cheap. They are sharp enough but their grinds are not consistent and chatter worse than a magpie. Their only advantage are they are guaranteed for life against breakage and chipping.
These bits I push quite hard. As long as the router speed remains constant I keep pushing. If you play a piano, I would say the tone drops by a third, i.e. from C to A. (Hitachi M12V running full tilt.)
The expensive bits are very sharp and the feed rate is entirely different. I feed a bit slower and take a bit less material. I protect these carefully and are only used on prime woods.
Ok, how close am I?