Not true.

I worked with many different dynamic and mechanical braking systems,
including DC Injection braking and none were any special motors. OTOH these
were industrial applications using larger HP units.

Geeeeez. My cheap $189 slide saw has dynamic braking on it and I doubt it is
any special motor. The blade had to worth half the price. It also has a
delay circuit that doesn't react immediately.


"Jeff Gorman" wrote in message
...
For an almost instant stop, I gather that something called DC injection is
required and this requires a special and expensive motor.

Jeff



"Father Haskell" wrote
Electric brake -- short out the supply wires after cutting the power,
and the motor forces itself to stop.