Алюминиевые каточные жалюзи гаражная дверь ветропроницаемый без шума автоматический и ручной современный стиль дизайна

Mainly composed of left and right guide rails, door leaf curtains, drive shaft (roller), door opener, control system, etc. The guide rails are installed on both sides of the door hole, the curtain piece is clamped in the middle of the guide rail, and the drive shaft is installed on the upper side of the door hole. The door opener can be tubular or traditional chain type. The curtain is connected to the drive shaft by a spring, and the rotation of the door opener drives the drive shaft to rotate, so that the curtain is rolled or laid down along the outer diameter of the drive shaft to achieve the effect of opening and closing. Rolling shutter doors have the advantages of low cost, simple structure and easy maintenance. They can be installed on concrete and steel structures and are widely used in industrial plants, warehouses, garages, shops and other places.