{"id":129,"date":"2026-05-15T09:07:53","date_gmt":"2026-05-15T09:07:53","guid":{"rendered":"https:\/\/greenhousegearbox.com\/?post_type=product&p=129"},"modified":"2026-05-15T09:07:53","modified_gmt":"2026-05-15T09:07:53","slug":"greenhouse-rolling-film-gearbox","status":"publish","type":"product","link":"https:\/\/greenhousegearbox.com\/es\/producto\/greenhouse-rolling-film-gearbox\/","title":{"rendered":"Greenhouse Rolling Film Gearbox"},"content":{"rendered":"
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Precision ventilation is the cornerstone of successful film greenhouse management. Our Electric Greenhouse Rolling Film Gearbox<\/strong> is a state-of-the-art 24V DC drive solution engineered specifically for the automated rolling of plastic film on side walls and roof vents. By replacing labor-intensive manual cranks with high-torque motorized actuation, this gearbox allows for micro-precise adjustment of airflow, humidity, and temperature. Designed to withstand the high-humidity and UV-heavy environments of modern plastic-covered greenhouses, our rolling motors provide the ultimate balance of compact power, absolute safety through integrated limits, and long-term durability. Whether you are managing a small-scale poly-tunnel or a multi-span high-tech commercial film house, our rolling film gearbox is the engine of your facility’s climate automation.<\/p>\n<\/header>\n

\"Electric<\/div>\n
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Core Technical Highlights<\/h2>\n
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High-Torque 24V DC Drive<\/h3>\n

Equipped with a high-performance permanent magnet 24V DC motor, providing consistent output torque up to 100Nm. This power allows a single unit to effortlessly roll up to 100 meters of heavy-gauge plastic film, ensuring synchronized ventilation across the entire length of the bay.<\/p>\n<\/div>\n

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Integrated Limit Switch System<\/h3>\n

Built-in mechanical limit switches allow for precise setting of the maximum open and closed positions. Once calibrated, the motor stops automatically, preventing damage to the film, the motor, or the greenhouse structure from over-rolling or over-tensioning.<\/p>\n<\/div>\n

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IP65 Waterproof Protection<\/h3>\n

The rugged, anti-corrosion housing is sealed to IP65 standards, making it impervious to heavy rain, condensation, and fog. This level of protection ensures long-term reliability in the humid environments adjacent to side-wall venting pipes.<\/p>\n<\/div>\n

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Static Self-Locking Logic<\/h3>\n

A high-reduction worm-gear transmission provides a natural self-locking function. When the motor is off, the film stays firmly at the set position, even under strong wind pressure, eliminating the risk of accidental unrolling or “sliding” of the ventilation curtain.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Greenhouse Rolling Film Gearbox Application & Industry Challenges<\/h2>\n
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For film-covered greenhouses, side-wall rolling (also known as roll-up venting) is the most efficient method for natural cooling. However, traditional manual rolling systems are labor-intensive and prone to human error, often resulting in uneven cooling or fabric damage. Industrial-scale facilities require a more robust, synchronized solution. The Electric Rolling Film Gearbox<\/strong> solves these challenges by providing a motorized drive that can be controlled by central climate computers or simple switches.<\/p>\n

A major industry pain point is the “telescoping” effect\u2014where the film rolls unevenly along the drive pipe. Our gearboxes, when paired with high-precision Rack & Pinion Drive Systems<\/a> or standard guide tracks, provide the steady, low-RPM torque required to ensure the roll remains straight and taut. This synchronization is critical for maintaining the structural integrity of the poly-film and maximizing its multi-season lifespan.<\/p>\n

Our units are engineered for the “front-line” of the greenhouse. They face constant UV exposure, chemical fumigation, and mechanical strain from wind-loaded film. By utilizing high-grade internal components and specialized lubrication, our rolling motors offer a maintenance-free operation that manual systems simply cannot match, reducing OPEX and allowing growers to focus on crop yields.<\/p>\n<\/div>\n

\"Application<\/div>\n<\/div>\n<\/section>\n
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Technical Specifications & Performance Data<\/h2>\n

Choosing the correct rolling motor depends on the length of your bay and the gauge of your plastic film. The table below provides the empirical data for our flagship G-Series rolling film gearboxes.<\/p>\n

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Model Series<\/th>\nInput Voltage<\/th>\nOutput Torque (Nm)<\/th>\nSpeed (RPM)<\/th>\nMax Roll Length<\/th>\nProtection Rating<\/th>\n<\/tr>\n<\/thead>\n
RFG-40<\/td>\n24V DC<\/td>\n40 Nm<\/td>\n2.8 RPM<\/td>\n40 Meters<\/td>\nIP65<\/td>\n<\/tr>\n
RFG-60<\/td>\n24V DC<\/td>\n60 Nm<\/td>\n2.8 RPM<\/td>\n60 Meters<\/td>\nIP65<\/td>\n<\/tr>\n
RFG-80 (Mid-Duty)<\/td>\n24V DC<\/td>\n80 Nm<\/td>\n3.0 RPM<\/td>\n80 Meters<\/td>\nIP65<\/td>\n<\/tr>\n
RFG-100 (High-Duty)<\/td>\n24V DC<\/td>\n100 Nm<\/td>\n3.0 RPM<\/td>\n100-120 Meters<\/td>\nIP65<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\"Rolling<\/div>\n<\/section>\n
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Rolling System Selection & Engineering Guide<\/h2>\n

Implementing an automated rolling film system requires more than just a motor; it requires a calculated understanding of loads and environment. Here are the four pillars of a successful selection:<\/p>\n