The selection of extrusion products at the K 2016 trade fair ranged from new equipment concepts over flexible tool systems to software for equipment networking and process monitoring. 

An Eye for Details to Improve Efficiency 

Industrie 4.0

Blasfolienextrusion

Extrusion

Compoundieren

Werkstoffprüfung

Greater Extrusion Flexibility  

The Superex Blown Film Machine from Jinming Machinery, Guangdong,China, uses advanced processing technology, dies and runners, and a next-generation high-efficiency multi-outlet cooling air ring independently developed and produced by Jinming to achieve high-degree automation and high productivity. 

Featuring High-Efficiency Multi-Outlet Cooling Air Ring  

Superex Blown Film Machine 

One of the highlights presented at the Reifenhäuser booth at the last K show in Düsseldorf, Germany, was the debut of a new EVO line generation (Fig. 1). EVO lines are intended to provide easy operation, maintenance and cleaning. Functional operating elements, together with clear and tidy surfaces, form the basis for high productivity. 

Reifenhäuser Blown Film EVO Line and Ultra Flat Technologies 

Focus on Productivity and Flatness 

The new WXB Weigh Extrusion Blender from Maguire Products, Inc., Aston/Pennsylvania (USA), incorporates a gain-in-weight (GIW) weigh bin and a loss-in-weight (LIW) mix chamber in one machine with a Maguire 4088 controller. According to the manufacturer, the tight tolerance achieved by the blender (within +/- 0.1%) is a key to conserving raw material. 

System Supervises the Line from Extruder to Haul-Off 

Steuerungen (Hardware und Software)

Dosiermessgeräte

Blender with Built-in Extrusion Control Interfaces 

The Institute for Plastics Processing in Aachen is drumming up support for an innovative event that will demonstrate diversity and present the unexpected. Even the event's initiator, Prof. Hopmann, is keyed up and can't wait to see what will be presented there ¿ as he divulged to us in an interview.  

IKV premiere will throw light on the fundamentals of plastics technology  

Kunststoffverarbeitung: Maschinen und Komponenten

Faserverarbeitung

Spritzgießen

Lehrstühle und Institute

Call for papers for a symposium for lateral thinkers  

One way to increase recyclability is to use mono-material film. But such film must not be inferior in any way to its multi-layer predecessors. Brückner Maschinenbau GmbH & Co. KG, Siegsdorf, Germany, has therefore developed a new inline coater (ILC) for all BOPP and BOPE lines that is installed in the line upstream of transversal stretching. The manufacturer claims it can produce extremely thin functional layers in the nano range. The extreme thinness of the layers means that they do not disrupt sorting and recycling, but do allow, for example, improved adhesion during metallizing and excellent barrier properties in conjunction with very thin aluminum oxide coatings. 

Production of a battery separator film (© Brückner Group) 

Brückner Maschinenbau at K 2019 

Sustainable and Efficient  

Macchi presented at K the new Pod-Flex series for the production of seven-layer blown films with a net width of 2700 mm. The extrusion line can extrude laminate, barrier and biomaterials, since the new TES72 extrusion die, which is completely PVD-coated, can process both polyolefin and barrier-film formulations on the same line. 

Technical Advances in More Flexible Blow-Molding Lines  

Extrusionswerkzeuge

Higher Speed for Material Exchange 

In order to avoid bubble ruptures during the production of blown film, the velocity of the cooling air is often reduced. The use of air guiding systems (AGS) can prevent such bubble instability. A novel AGS was developed at IKV in Aachen, Germany, using iris diaphragms in order to increase the cooling efficiency of blown film extrusion and thus improve the productivity of an existing plant

Flexible air guiding system in blown film allows higher mass throughputs and greater process stability

Increase in Mass Throughput and Improved Mechanical Product Properties

Kunststoffverarbeitung: Verfahren

Nachhaltigkeit

Umweltmanagement

Kühlanlagen

Konturnahe Kühlung

Energieeffizienz

Extrusionsanlagen

Extrusions-Zubehör

Flexible Guiding Systems  for Cooling Air

GAP’s new 27-layer blown film line allows different coextruded film structures to be produced by combining multiple materials.

Film Structure with Unlimited Possibilities

Pregis invests USD 80 million in a new film extrusion facility in South Carolina.

The blown film extrusion facility in Anderson, SC/USA, will create 120 new jobs and is expected to be operational in September

Extrusionsblasformen

Blasformen

Film Extrusion Facility Will Create New Jobs

From the French Fry Bag to the Cement Bag to the Plastic Film.

View into the heart of a Varex II blown film system.

Schröder, Susanne

Folienreckanlagen

Folienblasanlagen

On the Spot at Windmöller & Hölscher

The machine manufacturer Windmöller & Hölscher is approaching K 2022 under the motto: “Get in the Loop.”

With Varex II, automated features, such as Turbostart, will be presented live – a picture of the trade show presence in 2019.

16:9

Messe K-Kunststoffmesse

kunststoffe-international.com

kunststoffe.de

W&H: Live Machine Show at the Trade Fair

The Reifenhäuser Group will showcase its latest solutions for sustainable and efficient blown and flat film production at Plastindia 2023 in New Delhi.

EVO Fusion: safe processing of low recyclate grades.

Reifenhäuser Focuses on Automation in Film Production

Because of the lack of qualified technical staff, in 2000, SMS Folientechnik relocated its production plant from Droitwich/United Kingdom to Vienna in the heart of Europe. In the newly built pilot plant, the technical press were presented with a new standardised cast-stretch film production concept. 

A New Pilot Plant: Customer Trials Required 

There is a general trend in on-line analysis of plastic films for self-learning, “intelligent” systems as part of higher-level quality information or production data acquisition systems. With these systems, film producers can monitor the quality of their products continuously and objectively and therefore optimise the production process itself. 

Surface Inspection: Big Brother for Films 

Reifenhäuser Blown Film has developed a technology intended to make manufacturers of blown film independent of strongly fluctuating recyclate qualities and ensure a stable production process – even when processing low-quality input material.

The EVO Ultra Fusion process is based on direct extrusion, which manages without the energy and cost-intensive repelletizing of the starting material. For example, it can process fluff (film scrap) and all kinds of production waste and PCR material. It is made possible by the twin-screw extruder, which better homogenizes the melt and hence ensures a stable process. In addition, processes can very easily and effectively degas the system so as to reduce undesirable components in the recyclate.

Reifenhäuser Cast Sheet Coating has developed a particularly efficient production method with which PET recyclate can be processed into food-safe film directly and without a preceding drying process. The process meets the criteria of both the U.S. Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA). This was demonstrated in a challenge test.

The EFSA/FDA-compliant PET process uses a co-rotating twin-screw extruder and a specially developed high-performance vacuum system with which producers can directly process recycled PET material without pretreatment and predrying – as is necessary for other processes. Processors thus do not need to invest in another plant component and avoid additional energy and maintenance costs, which leads to significant savings in times of increasing energy prices.

Wear-Resistant Components for Recyclate Processing

Processing of recyclate is a challenge and a stress test for the plasticizing unit, since it is not always clear how carefully the starting material has been sorted and cleaned, or what additives and possibly aggressive residual components it contains. For this purpose, Reifenhäuser Reiloy, with its highly wear-resistant screws and barrels, offers a reliable solution. Manufacturers of injection molding and extrusion products benefit from a long lifetime, thanks to precise matching of raw materials and additives, alloys developed in its own materials lab, as well as process-optimized surfaces. The higher resistance against wear is provided by special iron- and nickel-based alloys, which are matched to the particular raw material processed. The crucial factor here is the composition of the alloys, since the wear protection does not only depend on the hardness of the coating.

Reifenhäuser Blown Film GmbH  

https://www.kiefel-extrusion.com

Reifenhäuser Cast Sheet Coating GmbH & Co. KG 

http://www.reifenhauser-csc.com

EVO Fusion processes inexpensive recyclates for simple end applications.

Even fluff (film scrap) and all kinds of production waste and PCR material can be directly processed.

2022-09-21 - Reifenhäuser

issue 07/2023

issue 06/2023

issue 05/2023

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