![]() īldc motors use their own specialist drivers (ESC) which are controlled / operated by a pulse train in exactly the same way as an RC servo. It may also be a good idea to study their instruction document to get an understanding of the principle etc.įor those, like me, who get pleasure from building their own things then please read on.Īs far as the actual spindle construction is concerned then Robert’s 890kv-ox-rc spindle using an outrunner would certainly make a good choice as a build. This is not a new idea, it has all been done before and for those who would rather buy a ready-made unit then this controller from LogiCNC may be a good choice. Their high speed and small size make Bldc motors ideal candidates for use as engraving spindles on most CNC machines and by providing software speed control they can also be used as general purpose spindles on small CNC machines. ![]()
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