Electric side roll film device Features: 1. Lightweight body: aluminum shell is adopted, the motor weight is reduced, and it is easy to install 2. Mechanical self-locking: electromagnetic power off and automatic brake, safer and more assured to use 3. The machine body is made of cast iron and 45# steel with good wear resistance and high vibration absorption, high hardness and strong tensile strength 4. Stainless steel gears: The gears refer to German processing technology, with low failure rate, good performance, and self-locking without falling 5. Small size, light weight, integration of motor, deceleration device and self-locking mechanism 6. Pure copper coil: The power output of the pure copper motor runs smoothly, and the service life is 10 times that of ordinary coils. 7. The motor shell is made of aluminum, which has good heat dissipation capacity, which provides a better guarantee for the operation of the motor 8. Rollable quilt within 150 meters