One key factor that ensures high-quality and efficient processing of polyurethane is mixhead technology. The development and manufacture of high-pressure mixheads requires a great deal of know-how and many years of experience. Hennecke GROUP has outstanding expertise in this area and makes its mixheads (apart from a few standard parts) in its own manufacturing halls. This is a novelty in the European competitive market. It is also the reason why many leading PU processors prefer mixheads from Hennecke. They know from experience that the high-quality design pays off in the production process.
Whether rigid or flexible, integral skin, filling or energy-absorbing foam is concerned, Hennecke GROUP has the appropriate high-pressure polyurethane mixhead for almost every application that requires mixing based on the impingement injection principle, from standard to specific applications. Variable sizes and injector shapes as well as a comprehensive range of accessories ensure that the mixheads can be adapted to suit a great variety of conceivable requirements - including yours!
The MT-A mixhead series is the most recent product in Hennecke's mixhead portfolio and since 2020 has been available in more and more different varieties. These mixheads share the same basic design as the successful MT deflection mixheads but are made of optimized materials and high-...
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The MT-E mixhead has been specially developed for the ECOPLUS metering machines and offers the perfect balance of simple and functional operability with the high-performance design features of the MT-...
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Due to their high precision and durability, the high-pressure MT mixheads have been proven in all application areas for over ten years and are very well-established in the PU industry for all production scenarios. To the user, this translates above all into optimum processing results across...
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Our MN linear mixheads operate on the groove-control principle. Due to their special parameters, they are particularly suitable for polyurethane spray-moulding processes (PUR-CSM technology) and applications involving filled components. Hennecke's lineup of 2- to 4-component MN mixheads...
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Air-cleaned "L-type" ML and MXL deflection mixheads operate on the proved impingement injection principle, whereby the entire recirculation of the components is groove-controlled. The patented air cleaning function which is based on the cyclone principle completely eliminates the...
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Various raw materials and applications make mixing using impingement injection impossible. This is the case, for example, when casting systems or high-viscosity components are used. For many reactive components and additives - e.g., in continuous slabstock lines - mixheads are fitted with special stirrers to ensure that the reactive systems and additives are mixed homogeneously in the mixing chamber and a laminar output is achieved. To a certain extent, processors can influence factors such as the cell structure and cell size of foaming systems by means of particular types of stirrer. High-strength stirrers are used in compact and cellular elastomer systems, ensuring optimal results even when the processing parameters are extremely difficult.
Right from the start, MEL mixheads are equipped with a hydraulic control of the mixhead injectors for extremely short and synchronous switching cycles. This is a novelty that guarantees the processor a superior metering quality. Moreover, MEL mixheads are also fitted with a sophisticated...
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Slabstock stirrer mixheads combine injection and stirring principles and guarantee the user a laminar liquid laydown over the entire foaming width. Foam qualities with an extremely uniform pore structure that is free of pinholes and striation are achieved. The actual mixing unit is located...
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HK-R stirrer mixheads are applied when extremely high-quality foam products for use in the automotive industry, or rather automotive interiors, are made. The highest amount of mixing energy possible is required to ensure a homogeneous cell structure. That’s why HK-R stirrer mixheads are...
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The ULTIMIX mixheads are controlled by a pneumatic unit, and the recirculation and mixing pressures can be configured to ensure a constant and homogenous production result. This is achieved using nozzles with different diameters and special valves within the recirculation circuit. The geometry...
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