Leaf-Type Pneumatic Shaft (Air Shaft)
Surface-contact core clamping. Reliable torque without damaging thin-walled paper cores.
This leaf-type pneumatic shaft uses semi-circular plates (“leaves”) that expand to grip the core from the inside. Compared with lug-type shafts, its wide surface contact spreads the load, helps prevent deformation of thin-walled paper tubes, and transmits torque reliably. An optional Direct Winding Clamp enables one-touch clamping for faster setup. Key Features and Benefits 1. Protection for thin-walled cores • Wide surface contact distributes pressure and helps prevent ovalization or damage. • Reliable torque transmission for stable winding/unwinding. 2. Direct Winding Clamp option • One-touch clamping of raw rolls shortens changeovers. • Supports direct-on-shaft winding when required. 3. Drive and sizing options • Air-operated or mechanical drive. • Custom sizes available to match your core ID and load. Backed by years of experience in roll handling and air-shaft technology, PNEUMATIC INDUSTRIES CO., LTD. provides solutions trusted for reliability and performance. For inquiries, please contact us: sales@pneumatic.co.jp
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Our Commitment For nearly half a century, Pneumatic Industries has been a dedicated and trusted specialist in unwinding and rewinding shafts. Since all of our products are made to order and tailored to your specific requirements, we take great pride in our customers’ praise, such as: “Pneumatic products last long.” “For complex products, go to Pneumatic Industries.” “You can always rely on Pneumatic.” These words inspire us to keep improving every day. Even if you are just in the planning stages, we are here to help. If you face challenges with unwinding or rewinding shafts, we invite you to consult with us.
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Our Expertise & Experience For nearly half a century, Pneumatic Industries has been a dedicated air shaft manufacturer. Our products are trusted by countless companies in the converting industry, from paper and film manufacturers to leading equipment builders and processing companies. Our shafts are at the core of their operations. While confidentiality agreements prevent us from naming clients, we proudly serve top-tier companies across multiple sectors. Our customers often describe our products as durable, reliable, and long-lasting—qualities that help them maintain consistent performance and efficiency. We would be honored to earn your trust and look forward to the opportunity to provide the same proven quality that our customers depend on.
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PNEUMATIC INDUSTRIES CO., LTD. designs, manufactures, and supplies air shafts, mechanical shafts, and related equipment. We custom-engineer products for unwinding and rewinding systems used in the production and converting of film and sheet materials. Our lineup includes the durable Pneumatic Air Shaft, the Pneumatic Mechanical Shaft with high concentricity and low runout, the Pneumatic Core Chuck that simplifies core loading and removal, and the PN Expander Roll that helps prevent wrinkles during winding. Contact us to specify a configuration that fits your process. [Repairs and Maintenance Inspections] To ensure safe, long service life, we provide repair services and maintenance inspections. Rely on our proven expertise and experienced technicians. If you are considering repair or replacement, please consult us. We will assess the product’s condition and recommend the most suitable option.