Series 409 flat hose shaft

Pneumatic Expansion Shafts: Efficient, Flexible, and High-Performance Solutions from Vorwald (Series 409)

Vorwald’s Series 409 pneumatic expansion shafts offer a versatile, high-performance solution for a wide range of applications, from narrow to wide reels. Designed to handle large torques and heavy reel weights, these expansion shafts stand out for their exceptional load-bearing capacity and flexible functionality, making them an ideal choice for industries requiring reliable, high-speed solutions with minimal maintenance.

Key Features and Benefits

• Modular Design for Flexibility

The Series 409 shafts are built on a modular construction principle, making them adaptable to various needs. With continuous expansion ledges, these shafts can accommodate both narrow and wide reels, providing an economic yet highly flexible clamping solution. Depending on the application requirements, the type and number of expansion ledges can be customized for optimal performance.

• High Load Capacity with Low Weight

Despite their impressive load-carrying capacity, Vorwald’s expansion shafts are remarkably lightweight, offering easy handling. This feature makes them a cost-effective alternative to more expensive materials, such as CFK shafts, without compromising on strength or efficiency. The use of high-strength aluminum extrusions or steel for the carrier body ensures a high degree of durability and load-bearing capability.

• Easy Maintenance

Maintenance is straightforward due to the external accessibility of the clamping system and other key components. The shaft journals, made of steel, are fastened with screws for easy replacement, reducing downtime and simplifying upkeep. This ease of maintenance translates into lower operational costs and improved long-term performance.

• Customizable Design

Each expansion shaft is designed to meet specific application requirements. Vorwald offers customization options including different filling valves, expansion ledges made of polyurethane, aluminum, or plastic, and wear-resistant coatings. Additionally, special sizes or configurations can be requested to accommodate specific needs, such as altered core tolerances or higher speeds.

•  High Rotation Speeds

Series 409 shafts are engineered to handle high rotation speeds, making them ideal for applications that demand both precision and efficiency. This feature ensures that the shafts perform reliably even under demanding operating conditions.

Applications and Options

Vorwald’s expansion shafts are available in standard sizes of 3 inches (75mm) and 6 inches (150mm), with custom sizes available upon request. They can be adapted to meet a variety of customer requirements, including bearing on one side or with a quasi-centering design matched to specific core internal diameters.

Additionally, these shafts can be tailored with options such as:

• Filling valves on both sides
• Wear-resistant coatings
• Polyurethane, aluminum, or plastic expansion ledges
• Aluminum carrier bodies for lighter applications or steel for high load applications

Advantages at a Glance:

• Simple, modular design
• Easily accessible parts for quick maintenance
• Capable of high rotation speeds
• Lightweight construction with high load-bearing capacity
• Secure clamping for narrow webs
• Available in diameters ranging from 40 mm to 500 mm

Vorwald’s Series 409 pneumatic expansion shafts are an excellent solution for industries that require a combination of flexibility, strength, and ease of maintenance. Their ability to adapt to various reel sizes and operational conditions, along with the customization options and lightweight construction, makes them a versatile choice for businesses looking for high-performing and cost-effective expansion shaft solutions.