d-c-fix - PVC - Konrad Hornschuch AG

Plastics Technology, 2004-03-31, POE Alloys Replace Liquid Plasticizers In High-Performance Flexible PVC
Flexible PVC doesn't have many friends these days. A number of materials suppliers and compounders would like to replace it with chlorine-free formulations based on polyolefins. However, Teknor Apex C...

Kunststoffe international, Automotive Display: A Matter of Form
Harmoniously integrating displays into the lines of a vehicle cockpit has always been a real challenge. ‧Continental now uses a combination of film insert molding, in-mold decoration and injection-compression molding to produce large, three-dimensionally formed plastic panels. The display increasingly sets the tone of a vehicle cockpit. Most current car models already have two full-color, graphic-‧capable displays. The instrument cluster usually consists of a large display (full digital cluster...

Kunststoffe international, 2005-11-21, Automated Injection Moulding and Welding of Bumpers
Automated Injection Moulding and Welding of Bumpers Jointed-arm-Robots in Action Otto Leiritz and Hergen Görse, Pappenheim/Germany In fully automated bumper production, a jointed-arm-robot takes care of all handling tasks. Its wide operating area and high positional accuracy have made it possible to integrate into the automation system a welding operation that was originally separate. In preparing for serial production of the rear bumper for the new DaimlerChrysler E-class at their Pappe...

Kunststoffe international, 2005-11-21, General-purpose Plastics: Appearance Ever More Important
Trade Fair Report Appearance Ever More Important General-purpose Plastics. Aesthetics could well have been the motto for general-purpose plastics at K 2004. Whether it is a matter of greater transparency and surface gloss for more attractive packaging or flawlessness and improved scratch resistance for automotive parts – appearance would seem to be assuming ever greater importance at present. Alongside this, progress in mechanical and processing properties has not been forgotten either. The p...

Kunststoffe international, 2005-11-21, Headlamp Bonding: Warm Reactive Bonding
Headlamp Bonding: Warm Reactive Bonding Individual parts of an automobile headlamp, which consists of different plastics, can be bonded economically with a reactive warm melt or warm fusion adhesive and a specially developed technology. The adhesive hardens quickly with environmental moisture and bonds well to plasma pre-treated plastics. Jürgen Horstmann, Peter W. Merz Automobile headlamps made by the system supplier Hella KG Hueck & Co., Lippstadt/Germany, consist in principle of two par...

Kunststoffe international, 2005-11-21, Hybrid Technology: Tailor-made Thermoplastics with Layer Structures and Continuous Fibre Reinforcement
Hybrid Technology: Tailor-made Thermoplastics with Layer Structures and Continuous Fibre Reinforcement Novel, complex, multi-layer thermoplastic composite parts for lightweight applications in the transport sector are being manufactured on an application-specific basis by multi-layer/sandwich injection moulding with embedded reinforcements made from continuous fibre preforms. Optimised microstructure and interfacial adhesion are crucial to the outstanding mechanical properties of this new clas...

Kunststoffe international, 2005-11-21, Injection Moulding Compounders: IMC Technology Opens Up New Fields of Application
Special IMC Technology Opens Up New Fields of Application Injection Moulding Compounders. The combination of injection moulding with continuous plastification offers processing advantages – particularly where it is important to achieve high throughputs, to manufacture products with high filler contents or to solve complex plastification and compounding problems. As a result, injection moulding compounders are venturing more and more into new application fields. Matthias Sieverding Erwin Bürkle...

Kunststoffe international, 2005-11-21, Manufacturing Scorecard (MSC): More Process Efficiency for Plastics Processors
Quality Assurance More Process Efficiency for Plastics Processors Manufacturing Scorecard (MSC). Every enterprise needs meaningful indexes to constantly check whether predefined targets have been fulfilled. Firms also depend on these scorecards to make decisions and to get information about the consequences of alterations. Working without these indexes (key figures) makes everyday factory life like flying an airplane without instruments. Jochen Schumacher Whereas indexes are widely used in ...

Kunststoffe international, 2005-11-21, Multi-component Injection Moulding: New Properties through Rigid/Flexible Combinations
Multi-component Injection Moulding: New Properties through Rigid/Flexible Combinations Being a parts supplier to all major international mobile phone manufacturers, Balda AG also manufactures various components for outdoor phone models. Constant new designs, increasingly complex mould technology and ever shorter marketing cycles have led to the development of new practices and procedures within the company that effectively exploit synergies between design and production. Reinhard Mettenbrink...

Kunststoffe international, 2005-11-21, RTM Parts with a Class A Surface
RTM Parts with a Class A Surface Emission-free Processing Method for Unsaturated, Liquid Polyester Resins Peter Merz, Hamburg/Germany In the past, switching a production line from open moulds to closed moulds was prompted either on emission grounds or by production engineering considerations. Through the introduction of a new unsaturated polyester resin system, it is possible to produce parts with a Class A surface for the automotive industry by means of the RTM process. Unsaturated poly...

Kunststoffe international, 2005-11-21, Self-contained Chemical Factory
Self-contained Chemical Factory Easy Bonding of PE and PP without Surface Treatment Lothar Müllenberg, Neuss/Germany Polyethylene (PE) and polypropylene (PP) are major performers on the plastics stage but they often remain soloists when it comes to bonding with each other or with other materials. Although both polymers are versatile commodity plastics, it has not so far been possible to bond them successfully with adhesives to produce load-bearing joints without costly pre-treatment. The...

Kunststoffe international, 2005-11-21, Special Injection Moulding Applications
Special Injection Moulding Applications Production Solutions on Standard Machines with Vertical Clamping Units Michael Kleinebrahm, Neustadt-Fernthal/Germany In order to meet cost and quality requirements, even complex functional components are now produced almost exclusively on an automatic basis. This article summarises a number of intelligent solutions for joining plastic to non-plastic parts and for producing composite parts on vertical machines. The need to produce cheaply and in a ...

Kunststoffe international, 2005-11-21, Two-component Micro Powder Injection Moulding: Three Special Processes in One
Injection Moulding Three Special Processes in One Two-component Micro Powder Injection Moulding. To produce multifunctional ceramic micro-parts, multicomponent, powder and micro injection moulding were combined in one process. This article describes the injection moulding of high-performance heating elements with adjustable electrical resistance. Powder injection moulding allows economic mass production of complex parts of metal and ceramic. Multicomponent injection moulding offers multifunctio...

Kunststoffe international, 2006-01-09, PTFE-polyamide Materials: Service Life Trebled
Composite Material Service Life Trebled PTFE-polyamide Materials. Chemically coupled PTFE-polyamide compounds (PTFE-PA) are a new group of materials with advantageous properties for tribological applications. Because of the strong bond between the two polymers and the resulting high wear resistance, components produced from these materials have a longer service life than components produced from conventional compounds with a similar structure. Dieter Lehmann The development of chemically couple...

Kunststoffe international, 2006-02-23, Electronic: Saving Weight and Costs with Flat Conductors
Electronic Saving Weight and Costs with Flat Conductors Efficient Assembly Concepts. There is much potential for rationalisation in terms of costs and lightweight construction in the electric wiring of cars. In a joint project by FAPS and industrial partners, it was found, for example in car door modules, that automatic installation of flat cable metre goods can both reduce material costs and shorten process chains. Klaus Feldmann Andreas Kunze One approach that manufacturers can use to improv...

Kunststoffe international, 2006-07-04, Integration of Functions: New Connection Processes for Air Pipes
Joining Technology. New Connection Processes for Air Pipes. Marco Barbolini. Integration of Functions. Clips, lugs or cable grommets are usually welded onto under-the-hood air pipes. Two new processes dispense with welding and thereby reduce costs. Resistance to rising temperatures and high pressure, minimal pressure losses, dimensional stability, and weight optimisation are some of the standard requirements of under-the-hood air pipes. Above all, however, ease of assembly and functional int...

Kunststoffe international, 2007-02-13, Multicomponent Technology in the Cleanroom
Multicomponent Technology in the Cleanroom Functional Integration Multicomponent technology under cleanroom conditions offers ideal conditions for developing innovative medical and pharmaceutical products. Besides economic advantages, the main aim of using multicomponent technology is to achieve improved functionality. Thomas Jakob Innovative multicomponent technology in injection moulding and extrusion expands the freedom of design and styling by combining several polymeric materials. F...

Kunststoffe international, 2007-03-15, Duo Lamination for Multiple Decors
Duo Lamination for Multiple Decors Cost-Effective Process Integration An innovative process for manufacturing car interior trims with multiple decors offers three advantages: the greater production integration reduces production costs; the use of adhesives is completely eliminated, and product quality is improved because of the shorter tolerance chain. Georg Kaufmann, Yann Buchet For many years, Georg Kaufmann Formenbau AG, Busslingen/Switzerland has pioneered the construction of moulds fo...

Kunststoffe international, 2007-05-14, Off the Reel
Off the Reel Printed Electronic Circuits With organic electronics, an exciting new technology has emerged. For example, printed RFID tags represent a practically fraud-proof method for product identification. Application areas range from cost-effective theft prevention up to complex electronic product codes (EPC). Henning Rost Very soon, printed electronics will open up new markets and applications in the most varied ways. In the past, the implementation of first products frequently seemed h...

Kunststoffe international, 2007-07-18, Guarded Optimism
Guarded Optimism Annual Balance Plastics producers are highly satisfied with last year’s outcome in Germany. Thanks to the mild weather, upsurge focused on the construction sector, mainly. Although quantities produced and increase in turnover 2006 nearly broke the record, plastics industry’s expectations are modest for 2007. Andreas Stein Profit figures were not the only issue discussed on the Economic Conference of PlasticsEurope Deutschland e.V., which is the association of German plastics...

Kunststoffe international, 2007-10-21, Automation Package out of One Hand
Automation Package out of One Hand Plant Control Automating an extrusion line is a big challenge for the engineer. Solutions aimed at reaching the optimum in production are often inefficient for their lack in flexibility. At K2007, an automation package will be debuting, that features performance technology. Yet, it can be adapted to the individual situation, thus enabling economic production. Andreas Leupolt If it ain’t broken, don’t fix it? Ankele Kunststoffmaschinenbau GbR in Maulbro...

Kunststoffe international, 2007-10-21, Plastics to Join Metals
Plastics to Join Metals Joining Flimsy metal elements are taking over from plastics half-shells today. This new design also affects the joining technique, since the metal bushings no longer fit into the shells in the way they used to. The new process developed integrates joining into the production process. Christian Walther Michael Stumpf A special kind of material changeover in cellphones and handheld computers is on the horizon: More and more casings of cellphones and handhelds are made...

Kunststoffe international, 2007-11-21, Fast Development Assistance
Fast Development Assistance Contract Manufacturing Companies, whose core competences do not lie in plastics processing, are frequently faced with problems when designing plastic parts for their products. This delays the development process and also results in competitive disadvantages for the company. Such deficits can be overcome by involving external service providers. Matt Bailey Silicon-based semiconductors are faced with competition that might eventually replace them. Organic semicond...

Kunststoffe international, 2007-11-21, Successful 3-D Simulation of Decorative Parts
Successful 3-D Simulation of Decorative Parts In-Mold Labeling The combination of full 3-D simulation and user know-how exploits the process-specific features of IML parts at an early stage in the development. In this way, manufacturers and consumers of these parts with high-quality surfaces profit from the shorter project development times, lower costs and improved product quality. Peter Felber Cristoph Hinse In January 2007, a customer from the automotive industry contracted Schuster Ku...

Kunststoffe international, 2008-06-16, On the Way to Printed Electronics
On the Way to Printed Electronics Latest Advances Printed electronic parts are based on semiconducting and electroconductive plastics and can be mass produced quickly on printing machines. The resulting cost and price structures will create entirely new markets. Cheap transponder labels, so-called RFID tags, are a leading candidate for applying this technology. Henning Rost Wolfgang Mildner Conventional RFID technology (Radio Frequency Identification) based on silicon electronics became esta...

Kunststoffe international, 2008-10-17, Polyoxymethylene (Polyacetals, POM)
Worldwide demand for polyoxymethylene (POM) has grown from 620,000 t in 2002 to around 850,000 t in 2007. Current estimates expect it to rise to approx. 955.000 t by the year 2010 (Fig. 1). That means average annual worldwide demand is running around 6 to 7%; in Europe it is 5%. In 2007, the strongest demand for POM was concentrated on the regions of Europe, Middle East and Africa (40%); in the Asia-Pacific zone as well as in North America, it stood at about 30%. Currentl...

Kunststoffe international, 2009-02-17, Process Innovations with Potential
Medical technology has a long and successful tradition in Germany. It is a future industry that is characterized by innovative technologies and important contributions to improved medical care of the population. In an international comparison, German medical technology is in an outstanding position with above-average growth rates [1]. The German medical technology sector’s strength in an international comparison is the result first and foremost of its attractive product range, with a large propo...

Kunststoffe international, 2009-06-16, 3-D Image Holograms in Large Print Runs
In the mass production of credit cards, banknotes and entry tickets, embossed holograms have so far become established as the main visual security elements. They are produced by embossing dies, which “imprint” the hologram as a highly resolved structure in, for example, a plastic surface. Holograms of this type absorb the entire spectrum of incoming light and diffract it so that it is diffused into its individual spectral components. The holographic image therefore shimmers in rainbow colors whe...

Kunststoffe international, 2009-07-16, Adhesive Fixing of Rovings Increases Load Bearing
Fiber composites, particularly carbon fiber-reinforced polymers, have a proven track record for extremely lightweight engineering [1, 2]. In preform technology, manufacture of fiber-reinforced components is subdivided into the processes of fiber lay-up and resin impregnation, and pressing, including curing. Depending on the method chosen, lay-up and impregnation take place in different sequences: Direct fiber lay-up with simultaneous resin impregnation in the mold (e.g. by winding and hand lamin...

Kunststoffe international, 2010-09-24, The Dies Are Rolling
A number of processors are obviously appreciating close contact with domestic mold makers again, because this puts them in a position to react to changes in design more quickly and solve problems more easily. Nevertheless, the biggest advantage in global competition is competence. This is why mold makers must show that they are up to date with technology. Even better, if the supplier is able to implement innovative ideas quickly, which gives him a unique selling point and a headstart. The exhibi...

Kunststoffe international, 2012-02-24, Injection Molding for False Teeth
When it comes to one’s own teeth, only the best is good enough for many people. Forget cheap. Forget amalgam. But no, you want ceramic in your mouth. Plastics? They might be acceptable for plastic fillings – but whole teeth? They’ll never stand up to the wear and tear! This is what many people think – but they are wrong! Dens3000 GmbH from Konken, Germany, is proving exactly the opposite by manufacturing artificial third teeth from a high-performance plastic based on PA/PMMA, instead of duroplas...

Kunststoffe international, 2012-06-25, To Bond or Not to Bond
If Wilhelm Anger has actually managed to scare the eyewear industry, it is trying not to show it. But the 86-year-old grand master of the Austrian plastics and optics industry, who can look back on an impressive life’s work (see p. 16), is not averse to indulging in some “needling.” Emblazoned on the website of Lensbond, a company he founded in 2008, is the motto: “300 years of technological stagnation is enough.” And whoever goes to Salzburg to visit this elderly man with his almost juvenile lo...

Kunststoffe international, 2012-09-17, A Sticky Question
The photovoltaic (PV) industry is going through a phase of consolidation. Besides reductions in feed-in rates, manufacturers in Germany also have to endure cost pressure due to imports of cheap photovoltaic modules from Asia. In the end, only companies with new technologies and low production costs will be able to survive. One way of saving production costs is offered by the use of adhesive tapes to fix junction boxes to crystalline or thin-film solar modules. This method eliminates the lengthy ...

Kunststoffe international, 2012-09-17, Switch over to Consistent Quality
How stable is the cushion on machine X? How strongly does the peak value of the injection pressure vary on machine Y? – Manufacturers of injection molding machines are very often confronted by such questions. Since these parameters for the most part are dependent less on the machine itself, but rather on the process as a whole (material, mold, drying, process settings, etc.) it is very difficult to provide a blanket answer to such questions. It is therefore important in the first instance to loo...

Kunststoffe international, 2012-10-15, Combining Polymerization and Molding within a Single Machine
If lightweight construction means arranging as little material as possible in space so that a predetermined function can be optimally performed [1], then the in-situ polymerization of ε-caprolactam to polyamide 6 comes pretty close to achieving this ideal. It is possible to create layer structures reflecting the loading paths within wide limits – with the restriction that at high degrees of deformation the lay up of the reinforcing textiles and fabrics is also subject to strict requirements. By ...

Kunststoffe international, 2013-02-22, Small Energy Director – Large Effect
The innovative test chip from Greiner Bio-One GmbH called Genspeed (Title photo) is used to detect MRSA (methicillin-resistant Staphylococcus aureus) infections, one of the world’s most frequently identified hospital pathogens. Due to their resistance to antibiotics, these infections represent a latent hazard for patients and serious challenges for health care facilities. This test chip which apart from identifying the specific bacteria can also detect the most important resistance genes, mecA a...

Kunststoffe international, 2014-02-20, Trend Report (Part 1): Fiber Composite Systems for Lightweight Construction
Fiber composite materials, in particular systems based on carbon fibers, offer a huge lightweight construction potential. Production processes have already been established for these in many industrial applications. Series production applications such as in the automotive industry, however, require new and extended approaches. Hybrid material systems with corresponding process combinations are being developed to meet these challenges. Under the aspects of energy saving and resource efficiency, t...

Kunststoffe international, 2014-03-21, Novel Material Concepts: Sustainability and Design
Efficient material concepts are essential for the automobile of tomorrow. This requires closer cooperation of the entire plastics industry as a trustworthy development and supplier partner of automakers. In short, the challenges of the future, e. g. conservation of resources, weight reduction, surfaces and design, can be overcome only by working together. Numerous innovations involving plastics in automobiles dominated the presentations of the plastics industry at the K2013 plastics exhibition i...

Kunststoffe international, 2014-05-07, Restructuring: Understanding Customer Requirements
Andreas Schütte, who heads the Plastics & Devices Division at Gerresheimer, on the division’s new structure, customer satisfaction, growth opportunities in the “pharmerging countries" and synergies between glass and plastic. Since the beginning of this new fiscal year, Andreas Schütte has been responsible for the extended Plastics & Devices Division. He played an important role in Gerresheimer’s divisional restructuring process and he is convinced that the new structure better reflects customer ...

Kunststoffe international, 2014-10-10, Stretching the Limits
MDO (machine direction orientation) can be used for the production of polymer films that have unique properties. By using an optimized machine and control technology, existing MDO applications can be produced much more efficiently and new areas opened up. The expectations placed on packaging continue to rise. It must provide enhanced product protection, greater convenience and catch the eyes of consumers while offering optimum efficiency and sustainability. Companies producing flexible packaging...

Kunststoffe international, 2014-11-26, Shedding Light on a Lighter Mold
Austrian mold maker Haidlmair has developed a design masterpiece that slashes the weight of its large-volume molds compared with those of traditional container molds. As most of the weight is parked on the fixed mold side, the injection molding machine’s energy consumption is also reduced. The new design has been verified in injection molding simulations. Adelholzener, Flensburger, Gösser, Veltins – these names stand for pure refreshment. But what would the drink be without the suitable transpor...

Kunststoffe international, 2014-12-18, Threaded Fittings for Foam Beads
Particle-foam composite injection molding was developed three years ago as a way of making composite parts composed of exterior particle foam into which a thermoplastic fitting has been injection molded. The composite parts can then be expanded into larger particle-foam components to provide them with fixing functionality that they previously lacked. This capability opens up new application horizons, especially in electric vehicles and air-conditioning. Particle-foam composite injection molding ...

Kunststoffe international, 2015-02-28, Reliable Designs in Foam
A new method for mechanically testing hard foams complements known test procedures. The test results allow the material’s inherent strength potential to be exploited more selectively. As a result, critical situations under complex stresses can be predicted. Hard polymer foams are being used increasingly in lightweight engineering. They transmit mechanical loads and must therefore be designed accordingly. Design is based on strength values, which are determined from loading tests involving tensio...

Kunststoffe international, 2015-05-21, The Task of Managing Complexity
High quality and reliability standards, together with a passion for detail in solving highly complex tasks – these were the strengths required for the development of a manufacturing concept for gear covers for windshield wiper systems and the construction of the necessary production system. It had to be based on close cooperation between the Söhner Group and the high-performance plant manufacturer Hekuma. How important it is to work together as a well-coordinated team across different companies...

Kunststoffe international, 2015-08-17, Additive Preforming for High-Volume Production
By developing the 3D Fiber Spraying it is possible to produce cost-efficient, complex, and functional integrated preforms for structural components made from fiber-reinforced plastics in large quantities. The process technology of the 3D Fiber Spraying enables the orientation of fibers along load paths to achieve the required mechanical properties of components. 3-D spray-upReinforcement fibersBinderSupplier:Owens Corning Inc., Toledo, USAHeinrich Kuper GmbH & Co. KG, Rietberg, GermanyMaterial:...

Kunststoffe international, 2016-05-18, Three-Dimensional Control Panels with Film Technology
The touchskin user interfaces of the Austrian technology developer plastic electronic have reached the third dimension. They open up entirely new possibilities for a more organic device design that increasingly eliminates the boundaries between form and function. For this purpose, a functional composite film is assembled and formed at comparatively low overall costs. Providing films with functional structures and using them to develop ‘sensitive’ device surfaces is the common thread that runs th...

Kunststoffe international, 2017-11-29, Light and Well-Made by Sand
Aerospace and racing without high-performance applications of fiber-composite structural parts have become unimaginable. Integrally manufactured hollow parts achieve top lightweight quality in those fields. Future mass production of complex hollow fiber-composite parts on an industrial scale required that a decisive step had to be taken in order to automate the HP-RTM process. With the goal of transferring the new Cavus technology (water-soluble sand cores for hollow composite parts) to mass pro...

Kunststoffe international, 2017-11-29, Neither Cold nor Open
When developing a new type of 2-component clamping device, PC Electric – one of the leading international suppliers of high-quality industrial plugs and sockets – chose the männer "Edgeline" valve gate system for side injection. Users benefit in several ways: from the compact mold design, the lower materials consumption and the high level of process reliability. Based in St. Martin/Innkreis, Austria, PC Electric has its own research and development department, state-of-the-art injection molding ...

Kunststoffe international, 2019-12-18, Technical Excellence thanks to Digital Assistance
Once again, the K 2019 in Düsseldorf, Germany, lived up to its claim to be the leading trade show for plastics technology. At least in the field of injection molding, there were exciting global innovations to see – if you looked closely. One reason why the innovations were not so obvious could be that injection molding technology has reached such an advanced stage of development that details and relatively minor changes have a large effect. Another is that many of the leaps in development are ta...

Kunststoffe international, 2020-04-08, In-House Moldmaking
Compared with conventional thermoforming molds made from epoxy resins or aluminum, a new type of casting resin system not only enables heat-resistant and high-quality thermoforming molds to be produced in a much shorter time, but the user can make the molds himself. The system can also serve as an alternative to ‧injection molding to achieve a favorable price-performance ratio. Thermoforming molds determine the surface texture (sometimes including letters and logos) and are responsible for the g...