BLOWN FILM PROCESSING – Company Portfolio – Engineering   Development today no longer concentrates only on the improvement of components and systems but embraces the complete film manufacturing process through to the final product. To enable the most suitable equipment for the production of a specific film to be planned and manufactured a very close collaboration with the customer is required. Today's high demands on the quality and economic efficiency of a film production line require the highest standards in engineering design, the most modern process automation and the recognition and consequent realisation of the customers requirements. At HOSOKAWA ALPINE customer orientation also means intensive support of customer projects throughout the testing and commissioning phases up to market introduction of the final product. 50 years of research and development have provided a solid foundation of knowledge and experience which enables HOSOKAWA ALPINE to engineer reliable solutions for today's and future applications. Over the last 50 years continued improvements in film quality and processing have set new standards:   1950 The KS 45 extruder which was capable of processing all then known thermoplastic materials. 1960 The first blown film line with a high speed adiabatic extruder type H for "strenuous operation". 1970 The first oscillating extruder HS 35 /12 L/D. Whereas previously the winder was oscillated to ensure even distribution of thickness differences in the film with the oscillating extruder handling of heavy film rolls was much simplified. 1980 The introduction of Internal Bubble Cooling IBC for HDPE applications in combination with PEAC (Pressure Equalizing Air Column) allowing an increase in output of around 50 % whilst maintaining mechanical properties. 1990 Profile Optimisation System POS for measurement and control of film thickness. 2000 The first Hosokawa Alpine MDO orientation lines were introduced, which allowed to systematically alter the mechanical characteristics of the films. Through the introduction of the extrusion control system "ExVis" Hosokawa Alpine sets new standards in process visualization. The first Hosokawa Alpine lines for 7-layer films are produced. These systems provide a full set of new possibilities in terms of film composition and film characteristics. 2007 Under the designation of "Generation X" Hosokawa Alpine presents a new series of dies and extruders creating films that set highest standards regarding the film quality. The first 9-layer line starts operation.   The optimisation of rheologically important parts using computer models is standard practice. To transform the resulting complex geometries into working parts is a challenge which makes very high demands on tooling machines, tooling equipment and manufacturing programs as well as on manufacturing personnel. HOSOKAWA ALPINE maintains a policy of continuous investment in production technology, personnel training and quality management. Highly trained personnel ensure that equipment is manufactured in accordance with customer requirements and is delivered and installed in accordance with the highest standards.

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