アルミニウム合金シャフト

高強度鋼摩擦式巻き取り展開可能

Product Overview
Also known as Ball Type Differential Air Shaft, Pneumatic Differential Shaft, or Slip Differential Shaft, this product is designed for precision slitting and rewinding applications. It solves uneven tension issues in multi-roll slitting and rewinding by providing independent tension control for each rewind core, ensuring consistent winding quality and reducing material waste.

How It Works
A Ball Type Differential Shaft uses independently controlled friction rings mounted on the shaft body. Pneumatic pressure activates steel balls inside each friction ring, generating controlled slip torque during the rewinding process. When differences in material thickness, winding tension, or roll diameter occur, each friction ring automatically compensates by slipping independently, ensuring equal web tension across every rewind core.

Applications

• Film slitting and rewinding
• Label converting
• Paper rewinding
• Aluminum foil slitting
• Copper foil processing
• Flexible packaging production
• Lithium battery film manufacturing
• Optical film converting
• Nonwoven fabric processing
• Laminating and coating lines

Common Materials

• PET film
• BOPP film
• CPP film
• PE film
• PVC film
• Aluminum foil
• Copper foil
• Release liner
• Paper
• Label stock
• Nonwoven fabrics

Benefits

• Independent tension control for each rewind core
• Automatic compensation for web thickness variations
• Improved roll winding consistency
• Reduced wrinkles and telescoping
• Stable slip torque during high-speed operation
• Lower material waste and production losses
• Suitable for narrow web and lightweight materials
• Long service life with minimal maintenance
• Excellent performance in precision slitting applications

Technical Specifications (table)
Item — Specification
Product Type — Ball Type Differential Shaft
Expansion Method — Pneumatic
Core Size — 3 Inch / 6 Inch
Friction Ring Width — 25mm, 30mm, 35mm, 40mm, 45mm, 50mm
Shaft Material — High Strength Steel or Aluminum Alloy
Shaft Length — Customized
Slip Torque — Adjustable
Application — Slitting and Rewinding Machines
Operating Mode — Independent Differential Tension Control
Surface Treatment — Precision Machining
Balance Treatment — Dynamic Balancing
OEM / ODM — Supported

Custom shaft diameters, lengths, friction ring widths, and torque configurations are available according to machine specifications and production requirements.

Why Choose This Differential Shaft
Compared with conventional air shafts, ball type differential shafts offer more precise tension control, making them ideal for narrow web slitting and lightweight materials that require accurate winding performance. Products undergo precision machining, strict quality inspection, and dynamic balancing treatment to ensure smooth operation and long-term reliability.

Caractéristiques / Spécifications techniques

• Core sizes supported: 3 inch and 6 inch
• Friction ring widths available: 25 / 30 / 35 / 40 / 45 / 50 mm
• Shaft materials: high-strength steel or aluminum alloy
• Slip torque: adjustable via pneumatic control
• Shaft length: customizable to machine specifications
• Surface: precision machining with dynamic balancing
• Applications: film, paper, foil, labels, flexible packaging, lithium battery films, optical films, nonwovens
• OEM/ODM support and custom configurations available