Modern slitting and rewinding processes require precise tension control, and the Differential Shaft is a vital component that delivers this flexibility and accuracy in converting industries.

Unlike standard air shafts, the differential shaft offers independent rotation for multiple cores on the same shaft. This means each roll or slit can wind independently while maintaining equal tension across all positions. It is especially useful when working with materials of varying thickness or widths, such as paper, film, aluminum foil, or non-woven fabrics.

By using a differential shaft, manufacturers can significantly reduce problems such as telescoping, wrinkling, or uneven winding, which often lead to material waste and production slowdowns. The unique internal structure of the shaft allows torque to be distributed based on core resistance, ensuring smooth winding under changing material conditions.

In high-speed slitting machines, traditional friction shafts often fail to maintain consistent tension across all cores, especially when there's variability in web tension or material properties. The differential shaft solves this challenge by absorbing slight differences in material feed or core resistance. This technology is not only effective in roll-to-roll converting but also in high-volume operations requiring quick changeovers and accurate core control.

Another advantage is the ease of core loading and unloading. Many differential shafts are designed with user-friendly ball or rubber elements, allowing for secure gripping of cores without damaging the material. Some advanced models also support both pneumatic and mechanical actuation, offering greater flexibility across machine setups.

Durability is also a key benefit. Quality differential shafts are built using heat-treated steel, precision-machined components, and corrosion-resistant finishes to withstand continuous industrial use. When integrated properly, they reduce machine downtime and extend the lifespan of core holding systems.

CBBMachine specializes in the production of custom differential shafts tailored to meet diverse client requirements across packaging, printing, label, and film industries. With a focus on engineering innovation, reliability, and ease of maintenance, cbbmachine delivers solutions that help businesses optimize productivity and reduce waste.

To explore more about their differential shaft products, specifications, and applications, please visit: www.cbbmachine.com