Hot-Air Nonwoven Slitting Solutions: Precision Tension Control for Hygiene Materials Manufacturing

Hot-Air Nonwoven Processing: A Complex Technical Challenge

When the Chinese leading nonwoven manufacturer required specialized slitting equipment for hot-air nonwoven fabrics, Nicely Machinery recognized this as more than a standard nonwoven slitting system project. Despite our extensive experience with broad range of materials, and conventional nonwoven fabrics, this specific hot-air nonwoven processing presented tension challenges in slitting and rewinding.

An Unexpected Technical Challenge

During the trial phase, Nicely's technical team spent several days on-site fine-tuning parameters. Hot-air nonwovens are extremely sensitive to tension fluctuations. Tension control must be maintained carefully, requiring high-precision tension sensing systems coupled with real-time feedback mechanisms.

During commissioning, thanks to customer's production supervisor provided invaluable guidance on-site, Nicely’s technical team soon understood that beyond data. Through mechanical modifications and repeated testing and adjustment, together, our team solve the most challenging tension issue, and finally meet customer's high satisfaction.

Material Science Behind Hot-Air Nonwoven Fabrics

The structural composition of hot-air nonwoven fabrics features loosely arranged fibers with numerous air pockets. From a structural perspective, this creates several processing challenges:

• High sensitivity to tension variations during unwinding and rewinding operations
• Irreversible deformation risk when excessive force is applied, the soft fiber characteristics mean excessive tension directly damages the fiber structure.
• Memory effect characteristics: when external force is applied, fibers attempt to return to their original state, making tension control extremely sensitive.
• Limited tensile strength requires specialized handling throughout the slitting process, excessive tension directly damages the fiber structure.

For manufacturers of hygiene products, understanding these material properties is essential for maintaining product quality and production efficiency.

Nonwoven Slitting Technology: Precision Control Systems

Inline Winder Integration for Seamless Production

The EG-SR410 Inline Winder integrates seamlessly with upstream European carding machines, providing:

• Real-time tension feedback mechanisms for hot-air nonwoven materials
• High-precision tension sensing systems maintaining control within narrow tolerances
• Automated parameter adjustment for consistent material handling
• Continuous production flow maximizing manufacturing efficiency

Offline Slitting Solutions for Hot-Air Nonwovens

The EG-2001GA Offline Slitter addresses the specific challenges of hot-air nonwoven slitting through:

• Precision blade configuration minimizing material deformation during cutting
• Advanced tension distribution control between pre-knife and post-knife sections
• Shaft handling system to streamline the workflow

According to actual production pace, Nicely team made customized program adjustments to further accelerate production efficiency. This model of deep technical involvement in customer processes is what distinguishes Nicely Machinery from other equipment suppliers - This is also how Nicely builds slitter rewinder that truly work on the production floor.

Food-Grade Safety Standards for Hygiene Material Manufacturing

Since the customer's hot-air nonwoven will be used in personal hygiene applications, all rubber rollers surface that comes into contact with the web must company with food-grade and phthalate-free requirements. 

This customer emphasized there criteria in the early engineering phase, requesting verification through third-party lab-testing - Reinforcing the manufacturing' s commitment to the nonwoven consumers.

Technical Specifications Summary

Project Overview: Hot-Air Nonwoven Processing Solution

Model	EG-SR410 Inline Winder	EG-2001GA Offline Slitter
Purpose	Online winding integrated with European carding machine	Precision slitting & rewinding for hot-air nonwovens
Key Features	Real-time tension control, seamless upstream integration, continuous production flow.	Advanced tension distribution control to ensure winding quality.
Roller width	4100mm	4100mm
Unwind diameter	-	1800mm
Rewind diameter	1800mm	1300mm
Slit width		Min. 50m, and up.
Machine speed	5 – 150 M/min	10 – 350 M/min

The Nonwoven Processing Technology

As the global nonwoven fabrics market continues expanding, particularly in sustainable materials and high-performance applications, Nicely Machinery remains committed to advance:

Technical Expertise

• Deep understanding of material science and process technology
• Continuous innovation in tension control systems

Customer-Centric Approach

• Collaborative problem-solving with experienced operators
• Long-term partnership commitment

Why Choose Nicely Machinery for Nonwoven Slitting Equipment

With over 41 years of specialization in slitting equipment manufacturing, Nicely Machinery has evolved from equipment supplier to comprehensive solution provider for the nonwoven industry.

Ready to optimize your hot-air nonwoven processing operations? Contact Nicely for :

• Custom slitting and rewinding configuration
• Material-specific processing solutions
• Equipment upgrades and modernization

Engineering & Project Credits

R&D & Engineering Team

• Electrical Engineering： Ray Peng, Elmo Lee, Ping-Jui Chen.
• Mechanical Engineering： D.C Chuang, Stan Chang.
• Assembly Crew：Jui-Chi Chang, Kuo-Hsin Tsai, Shih-Chi Lo.

Commissioning Service

• Terry Chen / Managing Director
• Chi-Wang Chen / Chief Mechanical Engineer