Product OverviewThe Leaf Type Air Shaft Adapter converts standard 3-inch air expanding shafts into 6-inch core winding systems for industrial rewinding and unwinding applications. Manufactured from high-strength aluminum alloy with precision machining and hard anodized treatment, the pneumatic core adapter provides stable expansion, accurate roll positioning, and reliable torque transmission during high-speed operation.
What is a Leaf Type Air Shaft Adapter?A pneumatic sleeve installed over a 3-inch air expanding shaft to allow it to hold 6-inch paper or plastic cores. It is a lightweight, economical alternative to purchasing a dedicated 6-inch air shaft and is commonly referred to as a pneumatic core adapter, air drum, air cover, rewinding core adapter, or air shaft sleeve adapter.
Key Features- Converts 3-inch shafts to 6-inch core systems
- Leaf type expanding structure
- Lightweight aluminum alloy body
- Stable pneumatic expansion
- Hard anodized surface treatment
- Easy installation and removal
- Reliable torque transmission
- Excellent wear resistance
- Suitable for high-speed rewinding
- Custom sizes available
Applications- Slitting machines
- Rewinding systems
- Flexographic and rotogravure printing machines
- Film converting machinery
- Coating machines
- Paper processing systems
- Plastic film production lines
- Foil rewinding equipment
- Flexible packaging machinery
Technical TableItem - Specification
Product Name - Leaf Type Air Shaft Adapter
Core Conversion - 3 Inch to 6 Inch
Material - High-strength Aluminum Alloy
Expansion Type - Pneumatic Leaf Type
Inner Diameter - 75mm / 76mm
Outer Diameter - 150mm-158mm
Surface Treatment - Hard Anodized
Application - Winding & Unwinding Systems
Installation - Sleeve Type
Customization - Available
Advantages of Leaf Type Adapters- Lower equipment cost compared with dedicated 6-inch air shafts
- Faster roll changes
- Reduced shaft weight and easier handling
- Improved production flexibility and reduced downtime
Why choose this adapterEngineered for stable industrial performance, high precision and long service life. Designed for OEM compatibility and high-speed converting systems; available for customization in lengths, diameters, expansion structures, surface treatments and lightweight materials.
Caractéristiques / spécifications techniques- Nom du produit : Leaf Type Air Shaft Adapter
- Conversion de noyau : 3 inch → 6 inch
- Matériau : Aluminium alliage haute résistance
- Type d'expansion : Pneumatique (leaf type)
- Diamètre intérieur : 75mm / 76mm
- Diamètre extérieur : 150mm - 158mm
- Traitement de surface : Anodisation dure
- Type d'installation : Manchon / Sleeve type
- Applications : Découpe, rembobinage, impression, conversion de film, revêtement, papeterie
- Options : Tailles et structures d'expansion personnalisables