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3 The HF MIXING GROUP develops and builds equipment for compounding facilities with passion. Our broad spectrum of industry-specific knowledge makes us a reliable partner for the tyre industry, where our machines are used for passenger cars, trucks, OTR and buses as well as retreaded tyres. We use our expertise to create tailored solutions in order to achieve the highest benefit for the customer. We are able to promise reliable and dependable future-oriented solutions thanks to our engineering know-how and our many years of experience in the business. Our customers value our commitment and the high degree of process reliability that can be achieved using our excellent solutions. Yet we have even more to offer our customers than just our product range: we also provide an impressive, reliable service that is tailored to each customer. 4 EXPERTISE BUILT ON EXPERIENCE. Pure Passion – HF MIXING GROUP. 5 Since early 2010, the companies Harburg-Freudenberger, Farrel and Pomini Rubber & Plastics have operated together as HF MIXING GROUP. Each company offers both a long tradition and special strengths in building machines for the plastics and rubber industry, all of which have been consolidated and integrated to your advantage. Thanks to the collective skills and experience of the group and a focus on core products at each site, the ability of HF MIXING GROUP to develop solutions grows stronger all the time. As a result, market needs can be met faster and better. It is our promise to you to create products and services in line with our values of reliability, ambition and sustainability with passion. That is how things began 150 years ago, and it is the same today. 6 MIX IT SYstematicallY. Pure Passion – HF MIXING GROUP. 7 1 Upstream equipment material feeding system – fillers, plasticisers, rubber 2 Mixer 3 Mixing room automation system 4 Drive chain 5 Downstream equipment single-screw or twin-screw discharge extruder, mill(s) and batch-off unit The HF MIXING GROUP uses its technical expertise to develop compounding facilities and systems while taking into account increasingly stringent safety and efficiency requirements. It is therefore also particularly important for us to optimise mixing line procedures by working on improved coordination between indi- vidual line components and the control system. We believe that integrating machines and control systems will continue to gain importance in future, just as we have seen with the development of the automobile. We have therefore set ourselves the goal to optimise the availability of mixing lines, enabling you to plan for unavoidable standstills. 9 10 11 TANGENTIAL ROTORS The HF MIXING GROUP offers the widest possible MORE Features: choice of tangential rotors to meet the specific requirements of the tyre industry. You can select New rotor geometries for tangential mixers from the entire range of developments from HF, Advanced Super Cooled® rotors for Farrel and Pomini in our Banbury® series of excellent temperature control mixers. Our product portfolio includes aggress- Sturdy rotor design that has been tried ive masterbatch mixing rotors with extremely and tested high specific energy output and all-purpose Optimised rotor alignment to eliminate products such as rotors that are tailored to the dead zones requirements of the final mix. Out of our entire Customised hard surfacing for individual product range of rotors, the balanced mixing needs characteristics of the NST™ rotor have made it a trusted performer in the tyre industry. Please contact us for detailed information about our diverse rotors. We will be happy to advise you. 12 INTERMIX® E SERIES The intermeshing machine technology of the has also found use in the tyre industry for reactive INTERMIX® E is the clear top performer in the mixtures such those containing silica. In addition technical rubber goods industry and the tyre to this, the INTERMIX® E can be an interesting industry. The PES5 rotors feature unique inter- alternative to other mixtures. meshing wing technology that ensures the homogenous distribution of all mixture compon- MORE Features: ents and the highest possible degree of dis- persion. The rotor design and optimised cooling Highly effective cooling behaviour also enable all of machine compon- (Super Cooled®) ents that come into contact with the mixture to Crack-free special hard surfacing efficiently process heat-sensitive materials. As a Innovative ram pressure control result of to these characteristics, the INTERMIX® E Optimised dust seal system 13 INTERMIX® VIC SERIES The INTERMIX® VIC is another excellent example MORE Features: of intermeshing technology. This machine type provides a unique, additional processing para- Variable distance between rotors for meter of special importance for the tyre industry – optimal mixing process steps it allows the gap between rotors to be adjusted Fast intake and adjustable shear level during the mixing process. A large gap allows Flexibility for different process very fast intake of raw materials into the mix- applications (mastication, remilling ing chamber, while a narrow gap increases master batches and final production) the quality of dispersion. Thanks to the gap Durable crack-free hard facing for an adjustment option, the machine can be used extended lifetime in a very efficient and versatile way. Like the Hydraulic ram with highly accurate INTERMIX® E, the VIC also delivers high spe- pressure control cific energy into the compound in the shortest Hydraulic dust seals with multiple time with optimal temperature control thanks cylinder concept (HCD) for a superior to a favourable ratio between cooling surfaces seal and easy maintenance and batch volume: a key factor for temperature- sensitive compounds such as silica. 14 tandem MIXER The successful implementation of the tanDEM rotors and thus subjected to a high shear force. MIXER technology can be considered a quan- The bottom machine is much larger and can tum leap for the tyre industry. It offers such distribute the mixture components, for example. high performance that it may well become the This method offers many benefits. In the case standard in other areas of the tyre industry in the of reactive mixtures, it can be used to separate future. This technology provides considerable the dispersion from the reaction so that they potential for improving the quality and efficiency practically run in parallel. Additionally, mixing of practically every process in mixing facilities. times can be shortened further for final mixes, The ability to distribute the mixing process over and entire mixing steps can even sometimes be two machines is at the core of the tandem pro- skipped for multi-step mixtures. cedure. The top machine can take care of producing MORE Features: the masterbatch, for instance, and is thus re- sponsible for the quality of dispersion. It gen- Tandem rotors with optimised intake erates a high level of specific energy for mixing behaviour in order to achieve a good dispersion of fillers. Very good degassing ability If the ram is effectively applied, the mixture can Lubricant-free dust seals on the bottom be more efficiently fed into the area between the machine Proven sturdy construction 15 16 CONVEX™ SERIES The HF MIXING GROUP developed the new final mixing lines. In addition, the HF MIXING generation of twin-screw discharge extruder GROUP offers newly developed hard surfaced following an extensive period of analysis and rolls for processing silica compounds in order development work. Its energy-efficient screws, to minimise sticking effects and increase the compact and sturdy construction and newly service life of the rolls. designed fully hydraulic calender make it a reli- able machine for a wide range of applications. These characteristics give it an impressively MORE Features: high throughput performance as well as opti- mised temperature control without material Fully automatic sheeting process contamination. The unique features of CONVEX™ High efficiency and throughput guarantee superior quality and mixing line per- Compact layout formance. As a result, CONVEX™ is already the Intrinsically safe process standard downstream equipment in the tyre in- Effective compound temperature control dustry for master batch lines as well as modern Good self-cleaning capability 17 SHEETING AND MIXING MILL Mills can achieve very high cooling performance MORE Features: due to their large roller surface. This character- istic makes such equipment ideal for mould Peripherically drilled cooling channels temperature-sensitive mixtures, which is why Hydraulic mill gap adjustment mills are very often used in the tyre industry for Overpressure relief valve to protect moulding in final mix lines. Our mills stand out the mills due to their very compact and sturdy construc- Compact single-drive solution tion, compliance with the current EU standards, and their fully integrated capability of automa- tion. The roller quality can be selected accord- ing to requirements. The HF MIXING GROUP also supplies the newly developed plated rollers for special applications for mills. 18 ADVISE® MIXING ROOM Automation We have consolidated our globally established MORE Features: automation solutions in the ADVISE® product line to offer you ‘the best of the best’. With mul- A coherent, durable and reliable mixing tiple mixer lines, high throughput and complete room control system control of the material flow thanks to a flexible, Use of latest web-based programming modular design that can be fully scaled, it is the language optimal