Got Brushes?

So, on the theme of the old “Got Milk?” ad campaign, and at the risk of sounding absurd, Got Brushes?  No?  That’s okay.  But don’t be surprised if a lot of the toys you have around you do!

From my narrow slice of the world in industrial motion control, we have long since abandoned the brush motor, or brush servo, to the boneyard of antiquity.  Like the single phase SCR drive, or dare I say the old GE vacuum tube (yes you read that right) motor drive of yesteryear, gone and almost completely forgotten. Read more