why use differential friction shaft?
A differential friction shaft ensures precise web tension control during high-speed slitting or rewinding.
It allows individual rolls to slip independently, eliminating tension variation caused by roll diameter differences.
The result? Smooth winding, consistent roll quality, and reduced waste—especially critical in flexible packaging, label, and tape production.
How Does a Differential Friction Shaft Work?
A differential friction shaft is engineered to manage multi-roll tension with precision.
Its core components—such as the air bladder, friction rings, and friction pads—work together to allow each roll to slip independently while maintaining consistent torque.
When combined with a tension control system, this shaft enables uniform winding quality, even when slit rolls vary in thickness or diameter. It is ideal for high-speed slitting, rewinding, and packaging lines that demand both accuracy and efficiency.
We have upgraded the shaft with patented technology.
Prolonged Shaft Lifespan
The water-cooling system effectively prevents heat-induced oxidation of friction components, extending the service life of the shaft and reducing downtime.
Stable Rewinding of Thick Materials
Designed to handle high-tension and thick substrates like 0.5–1mm PVC and specialty labels with ease—no overheating, no tension loss.
Support for Large Roll Diameters
Maintains consistent winding performance even with roll diameters up to 1200mm, ensuring tight and uniform layers.
Precision Temperature Control
A closed-loop dual-channel coolant system keeps the shaft at more than 5°C below ambient temperature, guaranteeing stable operation under continuous load.
indutrial chiller
Our industrial chillers provide stable, energy-efficient cooling for differential shafts, friction rollers, and heat-sensitive components.
Designed for continuous 24/7 operation, these chillers help maintain optimal temperature control, reduce thermal expansion, and extend equipment life in high-speed converting lines.
Water-Cooling Differential Friction Shaft for continuous fiber reinforced thermoplastic composites
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