I have been using a 2-1/4 hp router on my homebuilt cnc for 3 years now, and I would like to upgrade to a spindle. I am looking for approximately 5hp (from 220 single phase), with the ability to accept some kind of toolholder (so that I do not have to measure tools before each use), i.e. ISO 30, HSK, etc.
Another concern of mine is that the spindle weigh less than 30 lbs, as my machine can comfortably handle that, without having to reduce acceleration.
Is there any product like this, for less than $7000 usd, complete with VFD, that meets these criteria?