CAPS & CLOSURES 20 PETplanet Insider Vol. 27 No. 01+02/26 www.petpla.net Barnes Molding Solution implements Thermoplay’s multi-cavity hot runner system Redefining beverage closure production Well-known for its hot runner technology, Barnes Molding Solutions introduces a new multi-cavity hot runner system specially designed for beverage closure manufacturing. Oliver Lindenberg, Vice President Global Commercial & Marketing, sat down with Davide Albertazzi, Product Sales Manager, both at Barnes Molding Solution, to learn how the new multi-cavity hot runner solution is helping customers to achieve their quality and sustainability goals. CAPS & CLOSURES What challenges did your client face in beverage closure production? Beverage closures are produced in large quantities. Our client needed a system with a 96-cavity capacity, with consistent part quality in all cavities, short cycle times and reduced material consumption. How did you rise to the challenge? We engineered a custom Thermoplay multi-cavity hot runner system, a state-of-the-art solution designed around precision, reliability, and efficiency. By combining our TH32-1B nozzle with our manifold technology with intelligent thermal management, we delivered a system that meets these targets. Tell us more about the TH32-1B nozzle. What is special? The TH32-1B nozzle is the heart of this solution. Optimised for caps and closures production, it enables tight cavity spacing, precise temperature control, fast colour change and flawless sealing. Its high wear resistance handles abrasive material and the easy-access design reduces maintenance downtime. And what about the manifold design? Our modular bolted-down simplifies maintenance, protects against wear, and ensures balanced flow across all 96 cavities. The option for layered fusion-bonded manifolds offers a further possibility for individual customisation. Temperature stability and flow uniformity are critical. How did you address them? With our heating system and computational fluid dynamics (CFD) - engineered flow channels, we create a high melt homogeneity and pressure balance. This enables defect-free, thin-walled closures at high speeds. Sustainability is more important than ever. How does this system reduce energy use? We’ve built energy efficiency into every detail. Shorter cycle times, improved thermal insulation, and intelligent heat management reduce energy consumption by up to 40%. Manufacturers can now produce more caps with fewer resources. What has been the feedback of the clients? Extremely positive. The Production Engineer of a large client praised consistency and higher Overall Equipment Effectiveness (OEE). The Maintenance Lead highlighted how the modular design saves significant service time. For the client, it was a leap forward in both productivity and reliability. www.barnesmoldingsolutions.com Oliver Lindenberg, Vice President Global Commercial & Marketing Davide Albertazzi, Product Sales Manager at Barnes Molding Solution
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