Witte Pumps & Technology GmbH, Tornesch, Germany, has redesigned its entire Poly and Booster series of polymer discharge pumps. 

“Advanced Technology“ pumps: left: the Poly series, right: the Booster series in new AT design (© Witte) 

Witte Pumps & Technology at K 2019 

Dosierer

Fördersysteme

Dosiermessgeräte

More Efficient due to Redesigning 

Cracks often appear on screws and unsettle customers. The manufacturer EJS is often confronted with this effect and has got to the bottom of it. 

EJS Investigates Crack Behaviour 

Kunststoffverarbeitung: Maschinen und Komponenten

Extrusions-Zubehör

Extrusionswerkzeuge

Extrusion

The Danger of Cracks on Screws 

Colines spa, Novara, Italy, has developed a system for the production of high range thickness CPP, CPE and multilayer barrier film, from 15 to 500 micron, called “Thick&Thin”. 

Cast Unit for Cast Film Extrusion 

Thick and Thin 

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  

Blasfolienextrusion

Higher Speed for Material Exchange 

As already known since the previous K, “EVO Ultra Flat” from Reifenhäuser Blown Film GmbH, Worms, Germany, improves the flatness properties of blown film. A new laser-measurement system now enables the improvement to be quantified precisely: laminating and barrier films are up to 40  % flatter while sagging is reduced by up to 90  %. The measuring unit records the topography of the fine film web and then sets the correct production parameters. Reifenhäuser will be demonstrating at its booth how this ultra-flat measurement with integrated closed loop control functions. 

Reifenhäuser at K 2019 

Measurable Flatness, Increased Sustainability and Progressive Digitalization  

The Chinese global film supplier invests in two 7-m sequential film stretching lines for the production of BOPA films. 

Xiamen Changsu orders production line for BOPA film 

Folien

Brückner delivers sequential film stretching lines 

Gneuss Kunststofftechnik GmbH, Bad Oeynhausen, Germany, has different models of its patented rotary filtration systems. The continuous systems feature cavities arranged in a ring pattern on the filter disk, allowing screens to be changed without interrupting the production process and without pressure fluctuations. The system can be used for many different types of polymer with different viscosities. The new model is intended to combine the properties of several older models in one simple and cost-effective solution. 

 SFneos: on display at the trade fair with 260 cm² active screen surface area, available up to 2370 cm² (© Gneuss) 

Gneuss at K 2019 

Kunststoff-Recycling

New Filter and Revamped MRS Target Cost Efficiency 

battenfeld-cincinnati Germany GmbH, Bad Oeynhausen, Germany, is expanding its BCtouch UX control system, which was introduced at the last K trade fair, with an extensive package of measures. The focus here is on recording and storage of essential process and machine settings to ensure reproducibility of the production processes. Specifically, this includes position detection of the vacuum tank at pipe extrusion, identification of the die set via barcode or RFID chip, and an online centering aid that runs on mobile end devices. 

The BCtouch UX control system paves the way for Industry 4.0 compatible (© battenfeld-cincinnati) 

battenfeld-cincinnati at K 2019 

Schneidmaschinen, Kunststoff

Flexible and Reproducible Extrusion 

As reported by the Plastics Industry Association¿s Committee on Equipment Statistics (CES), which collects monthly data from manufacturers of plastic injection molding, extrusion, blow molding, hot runners and auxiliary equipment, the shipments value of primary plastics machinery in North America declined in the first quarter of 2019.  

Decline of Plastics Machinery Shipments in the First Quarter 

Spritzgießmaschinen

Blasformen

Heißkanaltechnik

International

Report from the Plastics Industry Association¿s Committee on Equipment Statistics 

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  

Faserverarbeitung

Spritzgießen

Lehrstühle und Institute

Call for papers for a symposium for lateral thinkers  

The success of mixing in extrusion and the product homogeneity are often only assessed optically based on individual experience. A new characterization process now permits the color distribution to be assessed objectively using clear criteria. It allows the mixing quality of extrusion systems to be assessed for different polymers and process parameters. 

Determining the Mixing Quality of Extrudates by Digital Image Analysis 

Bildverarbeitungssysteme

Bildverarbeitungs-Software

Farbsensor

Mixing Incorruptibly 

The EMVA announces that based on the high dynamics of the COVID-19 pandemic development the EMVA Business Conference 2020 in Sofia is cancelled.  

One-day Conference in Online Format is Planned for June 

Europa

EMVA Business Conference in Sofia is Shifted to 2021 

Like plastics manufacturing and processing, the recycling of plastic products requires specialization to be efficient. Accordingly, a Dutch company has dedicated itself entirely to the recycling of agricultural and packaging films ¿ and invested in a machine technology, which was found along tortuous ways. 

Technical Answers to World Political Changes in Film Recycling 

Kunststoff-Aufbereitung

Schmelzefilter

Sortierer

From Waste Collector to the  Plastic Recycler 

A new feed system combines the advantages of gravimetric monitoring and control of throughput with the advantage of volumetric metering into the main flow of material. Practical tests at processors reveal lower material consumption, improved quality and easier set-up. 

Masterbatches

Precise Masterbatch Metering: Self-colouring with Gravimetric Metering 

Luciano Anceschi, also known as President of Euromap, has found a new managing director for his family's company. 

The Company Develops Its Leadership with this Appointment 

Stefano Venturelli New Tria CEO as of April 1 

Metering Technology: Precision for Highly Filled Formulations 

Sewer pipes can be produced economically with highly filled PVC formulations. Processing of these formulations requires special machinery designs in order to ensure optimum feeding and plasticising of the material. A machine combination comprising a vertical metering unit and a dynamic mixer assures that every highly filled PVC formulation is metered into the extruder precisely and consistently, so that the screw flights are filled 100%, thus achieving optimum plasticising performance.  

PE_2005_10_Metering-Technology-Precision-for-Highly-Filled-Formulations.pdf

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589488 Metering Technology: Precision for Highly Filled Formulat

issue 04/2022

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