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FILM STRETCHING LINE

FILM STRETCHING LINE
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FILM STRETCHING LINE

Product catalog summary
Overview: The document provides a detailed description of DORNIER's film stretching production lines and components, focusing on the production of biaxially oriented polypropylene (BOPP) and polyester (BOPET) films. It highlights the company's expertise in manufacturing high-quality film stretching equipment and its global presence in the industry.
Specifications: The DORNIER polypropylene film production line is designed for three-layer BOPP film with a thickness range of 12 – 50 µm and a trimmed width of 8,200 mm. The average annual output is 29,400 tons. The equipment includes raw material handling, extrusion systems, chill roll units, pinning systems, longitudinal and transverse stretching machines, coaters, and heat setting machines.
Procedures: The production process involves several stages: raw material handling, extrusion, casting on chill rolls, longitudinal stretching, coating, transverse stretching, and heat setting. The film is then taken up, transferred, and wound for further processing.
Technological Innovations: DORNIER is noted for its advanced clip technology used in transverse stretching machines, which ensures secure handling of films during stretching. The company also emphasizes its proprietary control systems and automation for efficient production.
Applications: DORNIER's film stretching lines are used in various applications, including solar panels, capacitors, batteries, flexible circuits, electrical insulations, graphic films, and packaging films. The equipment is also suitable for manufacturing geotextiles and biaxially oriented nets.
Quality and Reliability: The document underscores the high design and manufacturing quality standards of DORNIER equipment, ensuring reliability and minimal maintenance. The company's testing laboratory is equipped with advanced tools for analyzing polymer and film parameters, aiding in process optimization and troubleshooting.
Global Presence: DORNIER has a significant global footprint, supplying about a third of all film stretching lines worldwide. The company has offices in Germany, the USA, India, Turkey, and China, providing comprehensive support and services to its clients.
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Catalog excerpts

FILM STRETCHING LINE-1

PRODUCTION LINES AND COMPONENTS FILM STRETCHING Quality creates value SPECIALTY MACHINERY

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FILM STRETCHING LINE-2

Film stretching lines – ahead of standard with custom-made systems Sheets for solar panels, capacitor and battery films, flexible circuits, electrical insulations, graphic films and p ­ ackaging films. All these products represent the DORNIER film production ­ echnology. DORNIER has supplied t about a third of all film stretching lines installed all over the world. The Lindauer DORNIER GmbH has developed and manufactured film stretching lines since 1955. Today Lindauer DORNIER GmbH supplies complete film production lines as well as machine components. DORNIER polypropylene film production line...

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FILM STRETCHING LINE-3

FILM STRETCHING LINES AND EQUIPMENT Reliable line components for highest availability The Raw Material Handling engineered by DORNIER ensures a constant and reliable supply of chips. Crystallizing and drying of polyester chips is carried out with minimum creation of dust. DORNIER extrusion systems are available as single extruder with melt pump or as cascade extrusion system. All extruders are very constant with respect to output and temperature uniformity. The extruders will be combined with filters, melt pump, melt pipes and a die plus control equipment, etc. to form an extrusion system. For...

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FILM STRETCHING LINE-4

DORNIER PET film production lines – tailored to your needs View of a DORNIER take-up and transfer section of a high speed production line for BOPET film In the following transverse stretching machine the film is gripped with clips at both edges and stretched widthwise at a given temperature. Cross loads of up to 3,500 N per clip can occur. Material and mechanism have to withstand temperatures in the range of 100 to 280°C at production speeds between 100 and 500 m/min according to output and film thickness. Therefore the utmost precision in the manufacture of these clips is a must. Manufacturing...

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FILM STRETCHING LINE-5

FILM STRETCHING LINES AND EQUIPMENT the winder. In this area the film is chilled further and the edges are cut off. At the same time the thickness uniformity is checked and the results of this measurement is used for control of the die. The film wound on cores with a length up to 50 km is slit in a rewind and slitting machine later on. DORNIER PET film production lines – tailored to your needs The Lindauer DORNIER GmbH supplies film production lines for the production of biaxially oriented polyester and polypropylene film, which are designed in accordance to customers’ requirements. The necessary...

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FILM STRETCHING LINE-6

DORNIER film stretching lines – tailored to your needs High performance DORNIER pinning system for chill roll speeds up to 130 m/min DORNIER twin screw extruder control and gravimetric feeders for highest melt pressure constancy

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FILM STRETCHING LINE-7

Airing system for DORNIER transverse s ­ tretching and heat setting machine d ­ esigned for minimum energy requirement and highest temperature and air flow constancy as well as optimum air/film heat transfer DORNIER chain track system with 9 roller clips suitable for line speeds up to 600 m/min with a minimum oil lubrication requirement of only 70 cm3 per day

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FILM STRETCHING LINE-8

FILM STRETCHING LINES AND EQUIPMENT DORNIER take up and transfer machine with a frame design for line speeds up to 600 m/min

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FILM STRETCHING LINE-9

FILM STRETCHING LINES AND EQUIPMENT Material engineering laboratory – MAV-Services – measuring, analyzing, value adding Testing laboratory for films and polymers In this laboratory, DORNIER uses a number of highly sophisticated testing equipment of the latest state of the art which enable its experienced laboratory engineers to analyze a wide range of polymer and film parameters. This proves to be extremely useful for the layout and optimization of 3D microscope surface – analysis of films processes and materials as well as for troubleshooting. Especially the high precision 3D microscope and...

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FILM STRETCHING LINE-10

DORNIER Makina Ltd. Sti. Orup Reis Mahallesi Giyimkent Sitesi 6. Sokak B64 No. 38-40 34235 Esenler/Istanbul, Turkey Telephone +90 212 4266 998 Telefax +90 212 6011 603 DORNIER Machinery (Shanghai) Co. Ltd. WaiGaoQiao Tax Free Zone 299 FuTeZhong Road Area B G/F Block 45 Shanghai 200131, China Telephone +86 21 504 62838 Telefax +86 21 504 62138 www.lindauerdornier.com [email protected] Quality creates value

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.