XW Machinery Parts
Lug Type Air Shaft | Pneumatic Air Expanding Shaft for Slitting & Rewinding Machines
Lug Type Air Shaft | Pneumatic Air Expanding Shaft for Slitting & Rewinding Machines
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The Lug Type Air Shaft is widely used in slitting, rewinding, printing and converting machines. Its pneumatic expanding lugs ensure secure core gripping, high load capacity and reliable torque transmission for paper, film, foil and textile roll handling applications.
Lug Type Air Shaft for Slitting Machines
The XW Machinery Lug Type Air Shaft is designed for high-performance slitting, winding, and unwinding applications. Utilizing an advanced pneumatic expansion mechanism, the shaft delivers strong and uniform core gripping force, ensuring reliable torque transmission and stable roll handling during high-speed production.
Key Features
Lug Type Expansion Structure
Multiple expanding lugs provide uniform pressure distribution and secure core holding performance.
Fast Roll Changeover
Quick inflation and deflation allow operators to load and unload rolls efficiently, reducing production downtime.
High Torque Transmission
Designed to support stable torque transfer during winding and unwinding operations.
Excellent Concentricity
Precision machining helps minimize vibration and improve roll quality.
Heavy-Duty Construction
Manufactured from high-strength steel for demanding industrial environments.
Long Service Life
Durable components and replaceable expansion elements simplify maintenance and reduce operating costs.
Custom Sizes Available
Available in 1-inch, 2-inch, 3-inch, 6-inch, and custom diameters with configurable shaft lengths.
Typical Applications
Slitting Machines
Provides stable roll support and secure core gripping throughout slitting operations.
Rewinding Equipment
Ensures smooth and consistent winding performance.
Printing Industry
Maintains web stability for improved print quality.
Flexible Packaging
Suitable for film, foil, paper, and laminated materials.
Textile Processing
Supports winding and unwinding of fabric and nonwoven materials.
Lithium Battery Manufacturing
Ideal for roll-to-roll processing and electrode coating lines.
Advantages of Key Type Air Shafts
Compared with conventional mechanical shafts, key type air shafts provide several operational benefits:
Secure Core Holding
The expanding keys create even pressure around the core, ensuring reliable gripping without damaging the core material.
Improved Production Efficiency
Fast inflation and deflation allow operators to change rolls quickly, reducing downtime and increasing machine productivity.
Stable Winding Performance
Consistent expansion force helps maintain proper tension and minimizes roll slippage during winding and unwinding processes.
Custom Manufacturing
XW Machinery can produce shafts according to customer drawings and technical requirements, ensuring compatibility with various machine brands and production lines.
Available Customization Options
We offer customized solutions for different applications, including:
- Shaft Length
- Journal Design
- Core Size
- Expansion Type
- Material Selection
- Surface Treatment
- Load Capacity Requirements
Whether you require a replacement shaft or a complete OEM solution, our engineering team can provide a design tailored to your production needs.
| Item | Value |
|---|---|
| Torque | 400Nm |
| Shaft Type | Pneumatic Expanding Shaft Core Chuck |
| Material | Steel / Aluminum |
| Core Size | 3 inch / 6 inch / Custom |
| Application | Slitting & Rewinding |
| Expansion Type | Pneumatic |
| Customization | Supported |
For advanced converting applications, this Air Expanding Shaft can be integrated with a Tension Control System to achieve precise Web Tension Control throughout the winding and unwinding process.Why Choose XW Machinery?
✔ Precision-engineered shaft construction
✔ Strong core gripping force
✔ Custom manufacturing available
✔ Fast delivery worldwide
✔ OEM & ODM support
✔ High-speed operation capability
✔ Professional engineering assistance
XW Machinery provides reliable air shaft solutions for modern web handling and converting industries, helping customers improve productivity and achieve superior winding performance.
We provide stable quality, fast customization and industrial-grade durability for global customers.
For better winding stability, the pneumatic expanding shaft can be integrated with a web tension control system to reduce roll defects and improve product quality.
XW Machinery also offers differential shafts and slitter rewinder machine parts for advanced converting applications.
In high-speed systems, using a magnetic powder clutch together with pneumatic shafts improves torque accuracy and operational stability.
XW Machinery specializes in customizing Key Type flexible inflatable shafts, designed specifically for tile coating machines, bearing positioning, and precision coating production lines. Adopting a pneumatic expansion+key bar locking structure, it can quickly and evenly clamp the core, achieving efficient and slip free winding and unwinding.
Why choose our inflatable shaft?
- Key bar design: More uniform expansion, strong clamping force, suitable for high-precision coating processes
- Flexible structure: can flexibly bend according to the machine space, adapting to complex installation environments
- Environmentally friendly materials: using high-strength seamless steel pipes/thickened aluminum profiles, without harmful coatings, in compliance with environmental requirements
- Pneumatic bearing integration: specially optimized for tile coating machines, with smoother operation and longer lifespan
- Dynamic balancing processing: High speed dynamic balancing is performed before leaving the factory, without vibration or noise, suitable for high-speed production lines
- Durable and non deformable: Long term use without deformation, simple maintenance, significantly reducing downtime
Ordering Process：
1. Inquiry: Send us your requirements (Diameter, Length, Material).
2. Drawing Confirmation: Our engineers provide/confirm technical drawings within 4 hours.
3. Quotation: Competitive factory-direct pricing based on specs.
4. Production: 7-15 days lead time (standard parts).
5. Quality Check: ISO9001 standard inspection before shipping.
- Can you customize the shaft length to fit our machine? (Yes, we provide drawings for confirmation.)
2. What is the MOQ? (1 piece is supported.)
3. How do you handle shipping for long shafts? (Reinforced wooden cases.)
What is a 400Nm pneumatic expanding shaft used for?
It is used in slitting and rewinding machines to securely hold cores and provide stable torque transmission during winding operations.
What industries use this core chuck?
It is widely used in film, paper, foil, packaging, label and lithium battery manufacturing industries.
Can it handle high-speed machines?
Yes, the 400Nm design supports high-speed and continuous industrial production environments.
Can it be customized?
Yes, shaft diameter, length, material and torque specifications can be customized.
