ERS Series Brakes

28 Mai 2015

Warner EM/ERS Spring-Set Brake Module for Overhead Doors

A manufacturer of large overhead doors uses a C-face motor and 150:1 helical reducer to open and close their doors. When a door is in a partially-open position, the weight of the door can be sufficient enough to backdrive the high-ratio gearbox and lower by itself. The door does drop slowly enough that dangerous high-speed impacts are not an issue.

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