The characteristics of the commonly used vegetable greenhouse construction film roll

The film roll is an indispensable supporting facility for the construction of vegetable greenhouses. The manual roll roll drives the roll film shaft to rotate through the rotation of the handle, so that the plastic film for the vegetable greenhouse construction is rolled up layer by layer by the roll film shaft. Today, I will take you to understand the characteristics of commonly used vegetable greenhouse construction film rolls. 1. Reasonable speed ratio and torque design make it more labor-saving and more convenient for farmers to use in vegetable greenhouse construction; 　　 2. Gear, gear shaft, two-way automatic The key parts such as the lock device are made of national standard steel through professional heat treatment to ensure durability; 　　3. The shell is made of cast aluminum, which is cast by precision die-casting one-step molding process, and the surface accuracy is very high; 　　4. Crank 2/3 There is a hole at the place. If you install the rocker here, the turning radius of the rocker will be reduced. Therefore, small space vegetable greenhouses can also be installed and used; 　　 5. The surface is galvanized inside and sprayed with double-layer anti-rust protection, standard parts are all It is made of stainless steel; 　　 6. There is a self-locking device inside, which can stop and start at any position during the opening and closing of the film roll, without any auxiliary devices, reducing the burden on farmers and friends.　　 Label: Machine roll film