Slitting & Rewinding Technical Guides

• Air Shafts & Expanding Shafts

  Shaft body, lug and leaf options, load ratings, grip and core-fit for 3 inch and 6 inch cores.

  • Paper Core vs Plastic Core: Air Shaft Grip Differences
  • Why Is a Paper Core Stuck on an Air Shaft After Deflation?
  • Rotating Air Sleeves on Fixed Shafts | XW Machinery
  • Paper Core Stuck on Air Shaft? Fixes & Prevention | XW

  Browse air shafts 17 guides →

• Differential & Slip Shafts

  Slip torque tuning for multi-roll rewinding on film, tape, paper and nonwoven lines.

  • Retrofitting a Slitter with Differential Shafts: Drive and Space Requirements
  • Differential Rewind Shaft Overspeed: How to Set and Verify the Speed Difference
  • Web Tension Control for Slitting Machines | XW Machinery

  Browse differential shafts 3 guides →

• Magnetic Powder Brakes & Clutches

  Torque selection, heat limits and duty cycle for unwind braking and rewind clutching.

  • Magnetic Powder Clutch Slip Power: How to Calculate Heat Load
  • Magnetic Powder Brake vs Pneumatic Brake
  • Magnetic Powder Brake vs Servo Motor for Unwinding
  • How to Maintain a Magnetic Powder Brake

  Browse powder brakes & clutches 8 guides →

• Tension Control Systems

  Controllers, load cells and dancer loops for stable web tension from unwind to rewind.

  • Tension Load Cell Calibration: Zero and Span Setup for a Web Line
  • Magnetic Powder Clutch Slip Power: How to Calculate Heat Load
  • Web Tension Control for Film Rewinding
  • Web Tension Control for Printing Machines

  Browse tension control 16 guides →

• Web Guiding & Edge Position Control

  EPC sensors, guide assemblies and correction logic for clean roll edges at speed.

  • Replacing an Obsolete Web Guiding Assembly: Measurements to Collect
  • Web Guiding System for Printing and Packaging Machines
  • Web Guiding System for Slitting Machines
  • Web Guiding System Not Responding: Troubleshooting Guide

  Browse web guiding systems 8 guides →

• Slitting & Rewinding Machines

  Defect diagnosis, rewinding quality and line setup notes for slitter rewinder operators.

  • Why Is a Paper Core Stuck on an Air Shaft After Deflation?
  • Rotating Air Sleeves on Fixed Shafts | XW Machinery
  • Paper Core Stuck on Air Shaft? Fixes & Prevention | XW
  • Cantilever Air Shafts: Load and Bearing Requirements to Check

  Explore XW web handling range 23 guides →

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.