Exact wall thickness distribution is the primary goal in the fabrication of extrusion blow molded hollow articles – regardless of whether the same wall thickness is needed everywhere, or different wall thicknesses are required in certain areas. This means that flexibly changing the wall thickness of the parison has to be possible in both the axial direction and circumference direction during the discharge from the die. 

Wall Thickness Control of the Parison with Cylindrical Runner and by Tilting the Die 

Blasformwerkzeuge

Blasformen

Extrusionsblasformen

The Dynamic Die 

According to ST Blowmoulding, Monza, Italy, the ST Aspi 150.3 Duo doubles the production output of blow molded 3D products compared to a single machine without doubling capital and operating costs, while providing high flexibility of use. Like all models in the Aspi series, the Duo machine can also be used for 2D blow molding: each clamping unit is optionally prepared for installation of a blowing unit from the bottom, complete with nozzle and spreaders. 

Double Production Rates without Quality Losses 

Extrusion

Two Different Recipes at the Same Time 

A few months after Interpack, the beverage specialists among the packaging experts will be meeting again in fall from September 11 to 15, 2017, at Drinktec in Munich, Germany. Trade show innovations are not to be expected everywhere here, but are definitely to be found where plastics processing and use are concerned. 

Innovations at the World’s Leading Trade Fair for the Beverage and Liquid Food Industry 

Labeling

Reinigungsmaschinen allgemein

Industrie 4.0

Polyethylenterephthalat

Kunststoff-Verpackungsmaschine

Verpackungsmaschinen

Verpackungsmaterial

Refining the Details 

Sustainability and efficiency are two of the most important topics in the blow molding industry. At the same time, these trends are being interpreted quite differently by various companies. 

Blow Molding: Formed by Air 

Regarding plastics and rubber exports from the island state of Taiwan, those Asian countries less developed in terms of technology are a reliable factor, being the country’s main export partners. But will these countries be able to reflate Taiwan’s exports? Will trade agreements with China help revive economy, after two years of regression? Kunststoffe correspondent for Asia, Petra Thomas-Hasenzahl, looked into these issues at the Taipei Plas trade show. 

Spritzgießmaschinen

Taipei Plas: The Sun is Back to Taiwan 

Energy efficiency and resource conservation are becoming increasingly important in blow molding, too. Machine manufacturers are concentrating on different areas, such as drive and mold concepts, process development, part dimensioning and quality assurance. 

Blaswerkzeuge

Spritzstreckblasen

Blow Molding: Electrical Machines for Lightweight Products 

Developments in the blow molding sector are focused on energy and resource efficiency. All-electric machines, new heating concepts and process and mold developments are increasing the sustainability of the blow molding process and opening up new possibilities for users. 

Blow Molding: Efficiency is in Fashion 

Blow molding is one of the most important polymer-processing techniques. Its origins date back to glass-blowing, which has been known for thousands of years. The industrial use of polymer blow molding began about 80 years ago. 

Review: From Glass-Blowing to Blow Molding 

A special rubber gasket is now available to seal the parting line between head and die. First pilot projects have shown several promising benefits. The technique is suited for pipe extrusion, film blow molding and extrusion blow molding. 

Blasfolienextrusion

Extrusionswerkzeuge

Rohr- und Profilextrusion

Ring-shaped Dies: Tilting Technique Improves Centering and Other Features 

The topics of energy and resource efficiency are as much at the heart of current developments in blow molding as the production of varied blow molding products meeting ever higher standards. Besides innovative engineering solutions in order to secure technical leadership, the sustainable design of processes and products, in particular, will play an important role in future. 

Blow Molding: Flexibly into the Future 

A manufacturer of blow molded articles from Thuringia, Germany, has succeeded in mass producing bottles from a natural fiber compound. These bottles, which look as though they have been turned from wood and smell like wood, offer a promising alternative to conventional packaging and new application opportunities. 

Polyethylen

Biokunststoffe

Füllstoffe für Kunststoffe

Packaging: Bottles from Wood 

Dave Technical has developed a fully automatic, pneumatic, single phase, double station blow molding machine The patent-protected blow molding machine model has been specially developed keeping in mind the customer’s requirement of low power consumption and smallest floor space utilization,  providing efficiency, convenience and high productivity with profitability. 

Fully automatic, pneumatic, double station, single phase-operated blow molding machine 

Blow Molding Machine DSBM-01  

High energy consumption and fast cooling are characteristics of cast film production. Consequently, efficient cooling solutions directly affect costing.  

Sophisticated Cooling Technique Steps up Energy Efficiency in Film Production  

Kältemaschinen

Flachfolien- und Plattenextrusion

Folien

Nachhaltigkeit

Chilling as Production Factor 

Extrusion blow molding offers an alternative method for manufacturing hollow furniture pieces – not only in terms of stability, but also in view of investment costs and process speed. 

Blow Molded Seats with Air-Cushion Effect  

Hollow Bodies for Designer Furniture  

Jenn Chong Plastics Machinery Works Co., Ltd., TaiPao City, Taiwan, presents the JC-CX series multilayer co-extrusion blown film machine. 

Multilayer Co-Extrusion Blown Film Machine 

JC-CX Series 

A growing number of new generation blow molding units are interconnected and smart. In addition, interested parties are asking for a flexible and modular design. 

KHS GmbH  

https://www.khs.com

Bekum Maschinenfabriken GmbH 

https://www.bekum.de

S.T. Soffiaggio Tecnica S.R.L.  

https://www.st-blowmoulding.com

SACMI Imola S.C.  

https://www.sacmi.com

new HESTA blow moulding solutions GmbH & Co. KG 

https://www.hesta.de

Kautex Maschinenbau GmbH & Co KG 

https://www.kautex-group.com

KUint_2016_12_Quality-Control-Included.pdf

Ausgabenartikel

2359880 SPE_Nachbericht K_Blasformen_Schäfer_EN

issue 09/2023

issue 08/2023

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