In roll-to-roll processing and automated production lines, stable tension control is essential for product quality and process efficiency. This article provides a system-level overview of a complete tension control solution, explaining how powder brakes, powder clutches, tension controllers, and sensing devices work together—and what to consider when integrating them into a reliable closed-loop system.

HELISTAR provides comprehensive electromagnetic clutch and brake solutions designed to support precise motion control, stable tension regulation, and reliable stopping performance across industrial automation applications. With decades of engineering expertise and global deployment experience, our products help manufacturers build efficient, safe, and durable production systems.

Magnetic powder clutches enable smooth and precise torque transmission using controllable magnetic particle bonding. This article explains their working principle, structural design, and key advantages over mechanical clutches. Typical applications in tension control systems and practical selection guidelines are also introduced.

Magnetic powder brakes and electromagnetic brakes serve very different purposes in industrial systems. This article compares their working principles, torque characteristics, heat behavior, and response differences. It helps engineers select the correct brake type for tension control, continuous load, or start-stop positioning applications.

Magnetic powder brakes provide smooth and highly stable torque control without mechanical contact. This article explains how magnetic powder brakes work, their internal structure, and how torque is generated through magnetic particle bonding. It also highlights key advantages, typical applications, and basic selection considerations for engineers and equipment designers.