The hot-feed extruders integrated into Krauss Maffei’s Multiplex extrusion lines are suited for processing rubber compounds with a high natural rubber share at high output rates.
The hot-feed extruders integrated into Krauss Maffei’s Multiplex extrusion lines are suited for processing rubber compounds with a high natural rubber share at high output rates Krauss Maffei said that state-of-the-art automotive tyres can contribute substantially to reducing fuel consumption.
With optimised rubber compounds and sophisticated tyre profiles, tyre manufacturers consistently seek to reduce the rolling resistance and to extend the service life of their products.
To improve tyre products, KraussMaffei Berstorff continuously improves its Multiplex extrusion lines to allow the processing of newly developed compounds or to meet the ever more exacting profile geometry precision.
The hot-feed extruders integrated into Multiplex extrusion lines are suited for processing rubber compounds with a high natural rubber share at high output rates, providing outstanding process stability and minor output pulsations.
The optimised feed section with separately driven feed roll ensures smooth intake of the preheated rubber strip.
Krauss Maffei told manufacturingtalk that uniform rubber feeding combined with tailored screw geometries guarantees a constantly high filling level, thus ensuring maximum output rates and pulsation-free operation.
The KraussMaffei Berstorff product portfolio comprises eight different extruder sizes designed for the most diverse process tasks with screw diameters ranging between 60 and 350mm and maximum output rates of 120 to 7000kg/h.
* Perfectly adapted material feeding – KraussMaffei Berstorff has integrated a special loop system into the Multiplex extrusion line control solution to perform two different tasks.
1 – The system comprises a material accumulator to ensure uniform material feeding from the preheating unit to the extruder.
Material variations in the preheating section or screw speed changes caused by modified profile dimensions or compounds are automatically compensated.
2 – The loop system allows the cooling section and thus the stock temperature to be modified – if this is required for process-engineering reasons – in order to obtain improved rubber homogeneity during the extrusion process.
* About KraussMaffei – in terms of sales, KraussMaffei is world market leader in machines and systems for plastics and rubber processing.
With its three divisions – Injection Moulding Technology, Extrusion Technology and Reaction Process Machinery – KraussMaffei is a premium partner for the plastics and rubber processing industries worldwide.
In the 2006/2007 business year (year ending September 30), the KraussMaffei Group posted sales of EUR 950 million and booked orders of over EUR 1 billion.
The group markets its products under the KraussMaffei, KraussMaffei Berstorff and Netstal brands.
The KraussMaffei brand covers the whole spectrum of injection and reaction moulding technology, while the KraussMaffei Berstorff brand stands for successful extrusion solutions.
The Swiss subsidiary Netstal is firmly established as a premium supplier of high-precision injection moulding machinery.
With over 100 years’ of expertise and know-how in machinery for plastics and rubber processing, KraussMaffei is today a major technology and process partner for industry.
The group offers a wide range of solutions that includes specialized and fully integrated turnkey systems.
Headquartered in Munich, Germany, the company employs around 4000 people worldwide.
Worldwide KraussMaffei operates a network of 140 subsidiaries and sales agencies, and deploys over 570 service technicians, ensuring fast response and closeness to customers everywhere.
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