Industrial Aluminum Alloy Spiral Shutter Door 

 Garage Turbine Hard Fast Shutter Door Spiral hard fast doors are also known as aluminum alloy quick doors, referred to as hard shutters. It is a new type of metal quick door with anti-theft and high temperature partition. It is reliable, practical and easy to operate. With an absolute servo system, the core is a DSP chip, and the system sets the opening height of the door by receiving the absolute encoder signal at the end of the motor. Hard turbine speed door: set energy-saving insulation and efficient wind environmental seal in a new metal industrial doors, opening speed of up to 1.5 meters per second. ---Control box: thickened Hefford IP54 control box ---Motor system Absolute servo motor system consists of: rare earth permanent magnet synchronous motor; imported absolute encoder; power brake system; large inertia planetary reducer; manual release mechanism; fault manual device.The overload capability is strong, and the…