What is the relationship between output capacity and film width in blown film machines?

Ningbo Huasu Exhibition opened successfully, Booth 6A19 for exchanges

2025-06-12

On June 12, 2025, the highly anticipated Ningbo Huasu Exhibition opened grandly at Ningbo International Convention and Exhibition Center. This exhibition brings together the top companies and innovative technologies in the Plastic processing, plastic reproduction, complete sets of plastic packaging equipment, etc., providing a high-quality platform for industry colleagues to display, communicate and cooperate.

Ningbo Huasu Exhibition

Our booth number: 6A19, located in the core area of the exhibition, showcased the company's latest Film blowing machine products, biodegradable plastic packaging solutions, attracting many professional visitors to stop and consult. We always adhere to customer demand-oriented, and are committed to providing the industry with innovative, efficient and sustainable products and services.

Ningbo Huasu Exhibition

Exhibition time: June 12-14, 2025, we sincerely invite new and old customers to visit booth 6A19 for guidance, discuss industry development trends, and explore cooperation opportunities. Our professional team will provide you with detailed product explanations and technical answers, and look forward to face-to-face exchanges with you!

Ningbo Huasu Exhibition

【YueXing Mahicnery】 Sincerely invite

Website: https://yxfilmblowingmachine.com/

Tel: +86 13771616165

Email: info@yuexingmach.com

Ningbo International Convention and Exhibition Center, booth 6A19, we will see you there!

Expert Insights & FAQ

The extruder screw diameter determines the output capacity (kg/hr), while the die head diameter and Blow-Up Ratio (BUR) determine the film's layflat width. To spec a machine, you should define your target width and thickness first, then work backward to determine the required output and screw size. How do I spec the right extruder size for my target film width?

Extruder size is determined by output demand: a 55mm screw delivers 80–120 kg/hr, while a 90mm screw reaches 300–400 kg/hr. Always spec the machine by working backward from your target layflat width and film thickness. film-blowing-machine-extruder-calculation

By upgrading to servo drive systems (saving 28-34% on haul-offs), implementing OEE monitoring, and optimizing IBC cooling systems, manufacturers can significantly reduce energy draw per kg of film. Energy saving blown film tips

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