Quote Originally Posted by mactec54 View Post
a spindle brake is just that, used for doing tool changes, it should never play any part of stopping the spindle that is driven by a VFD
So is it a BAD idea to use a mechanical break to stop the spindle or is it just unnecessary? I can stop the spindle VERY quickly with Bridgeport's mechanical break. I have a hard time believing that a VFD would stop it as quickly....