Slitting & Rewinding Technical Guides
Practical, field-tested guides for slitting, rewinding and converting lines: how to size, select and maintain air shafts, differential shafts, magnetic powder brakes and clutches, tension controllers and web guiding systems. Written by XW Machinery application engineers for plant engineers and purchasing teams.
Air Shafts & Expanding Shafts
Shaft body, lug and leaf options, load ratings, grip and core-fit for 3 inch and 6 inch cores.
- Differential Shaft for Slitting and Rewinding Machines
- Differential Shaft vs Air Shaft: Fasibang Printing Press Rewinding Case Study
- How to Choose the Right Air Shaft Core Adapter: 3-Inch vs. 6-Inch
- When Should You Replace an Air Expanding Shaft?
Differential & Slip Shafts
Slip torque tuning for multi-roll rewinding on film, tape, paper and nonwoven lines.
- How a Differential Shaft Improves Multi-Roll Rewinding
- Differential Shaft for Slitting and Rewinding Machines
- Differential Shaft vs Friction Shaft for Slitting Machines
- Differential Shaft Not Rewinding Properly: Troubleshooting Guide
Magnetic Powder Brakes & Clutches
Torque selection, heat limits and duty cycle for unwind braking and rewind clutching.
- Magnetic Powder Clutch Working Principle Explained
- How to Calculate Magnetic Powder Clutch Torque
- Differential Shaft Size and Torque Selection Guide
- Why Web Tension Changes During Rewinding
Tension Control Systems
Controllers, load cells and dancer loops for stable web tension from unwind to rewind.
- Magnetic Powder Clutch Working Principle Explained
- How to Calculate Magnetic Powder Clutch Torque
- Differential Shaft vs Friction Shaft for Slitting Machines
- Differential Shaft Not Rewinding Properly: Troubleshooting Guide
Web Guiding & Edge Position Control
EPC sensors, guide assemblies and correction logic for clean roll edges at speed.
- How Does a Linear Actuator Work? | XW Machinery
- What Is a Linear Actuator? Complete Guide | XW Machinery
- How to Fix Web Misalignment on a Slitting Machine
- Why Does Web Material Move Sideways During Rewinding?
Slitting & Rewinding Machines
Defect diagnosis, rewinding quality and line setup notes for slitter rewinder operators.
- Magnetic Powder Clutch Working Principle Explained
- How to Calculate Magnetic Powder Clutch Torque
- How a Differential Shaft Improves Multi-Roll Rewinding
- Differential Shaft for Slitting and Rewinding Machines
Not sure which shaft or brake fits your line? Send us your core size, roll weight and line speed — our engineers reply with a sizing recommendation.