What are the performance characteristics of film rolls in vegetable greenhouses

Classification of film rolls in greenhouses: Film rolls can be divided into Korean rolls, new rolls, manual rolls, electric rolls, and can be divided into side rolls and top rolls according to their uses. Device. Greenhouse film roll is an indispensable auxiliary tool for greenhouse planting. The use of film roll during spring and autumn greenhouse planting can effectively control the temperature and humidity in the greenhouse and create a good growth for vegetable planting. The environment has made vegetables grow well and greatly improved the economic benefits of greenhouse cultivation. Therefore, film rolls are widely used in vegetable cultivation in greenhouses.　　The shed film roll itself is equipped with a self-locking device inside. During the process of opening and closing the film roll, it can stop and start at any position without any auxiliary device. There is a hole at 2/3 of the crank. If the crank is installed here, the gyration radius of the crank will be reduced, so even the smallest space can be installed and used.　　 Large greenhouse film roll application range: double-layer film greenhouse internal and external side roll film, multi-span greenhouse side roll film, single-span solar greenhouse roll film, and the application of breeding greenhouses. The installation of the film roll in the greenhouse is simple and does not require professional skills. The installation can be completed smoothly as long as the installation soil operation of the random belt is carried out. Just pay attention to a few points during the installation. The climbing rod of the film roll must be firmly fixed to the ground, and It must be perpendicular to the front elevation of the greenhouse to ensure smooth work. Also note the installation of the roll rod. One end of the roll rod is connected to the film reel. The roll rod is fixed with a card board and the greenhouse film. The rod must be in a horizontal state to ensure that the operation of the film roll is effortless.　　 Label: Machine roll film