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Closed-loop router speed controller Super-PID is a closed loop speed controller that allows low-cost 1/4" and 1/2" routers to be used as speed-regulated spindles. Super-PID bridges the gap between expensive VFD spindles and low cost unregulated routers that have very poor low speed performance. The addition of a Super-PID to your router setup allows the use of lower cutting RPM, quiet operation, exact regulated speeds and gives massive power improvements when operating 1/4" and 1/2" routers at low speeds. Super-PID uses a reflective optical infra-red sensor that is simply pointed at the router output shaft and detects a spot of white paint on the shaft. This enables closed-loop speed control and a microprocessor chip inside the Super-PID executes an industrial style P.I.D. algorithm to give precise speed control with dramatically increased power at low and medium revs. You are no longer limited to burning wood and melting plastic at 20000 RPM - now you can cut QUIETLY with usable power as low as 5000 RPM! |
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