show preview | Chinaplas 2012


elements, while the screw barrel can be provided with oval liners in hard cast chromium steel. These materi- als have been thoroughly tested and deliver very long service life and high reliability. Coperion says that approximately 340 of its STS


compounders are currently in daily operation around the world. Roughly 60% of them are being used in the Asia- Pacific region and another 17% in America. The company reports that 2011 was a particularly successful year for the STS Advanced with almost 100 systems sold. Coperion will equip its test lab in Nanjing with a new STS 35 Advanced in July 2012. The test lab already features an STS 50. Last year, the company increased its service team at the Chinese facility to a total of 40 experienced service engineers. ❙ www.coperion.com


Nanjing Hengao will highlight its capabilities for engineering turn-key systems


Coperion will be presenting two examples of its updated STS Advanced twin-screw extruders which are manufactured at the German company’s Chinese factory in Nanjing. The machines can be configured with process lengths of 24 to 68 D and are offered in five different machine sizes with throughputs of up to 3,800 kg/hour.


One of the extruders on show will be an STS 96


Advanced compounder equipped with a new STS die head and a twin-screw side feeder. This machine configuration is ideal for the compounding of engineer- ing polymers, bioplastics or cable compounds. The company will also show an STS 35 Advanced machine that is designed for laboratory applications or for production of small batches of compounds and masterbatches. Coperion’s new STS die head features an improved heating system and optimized flow geometry. Heater cartridges running transversely through the die head ensure a uniform temperature across its entire width. They are also distinguished by their long service life and high energy efficiency. The flow geometry has been improved so that the rate of melt flow is uniform across


Nanjing Zhitian specialises in the manufac-


ture and repair of twin-screw barrels


the entire die head, ensuring that the individual strands are discharged at the same rate to deliver uniform pelletizing. The process section of the STS Advanced will now be available in a choice of materials featuring improved wear and corrosion resistance. A powder metal composite is available for the screw


54 COMPOUNDING WORLD | April 2012


CPM will be exhibiting at Chinaplas with its China- based Ruiya Extrusion and US-based Century Extru- sion divisions. On show will be a Ruiya Apex CX70 RXT high-torque, high-speed twin-screw extruder, which features a European-made gearbox and screw shafts produced in America by Century. Also on show will be a TSE Plus 75 mm machine that


is an upgraded version of the economical TSE line. In addition, the company will be highlighting its system capabilities and some of the turn-key compounding lines that it has recently supplied. ❙ www.cpm.net


Nanjing Hengao Machinery is a Chinese manufacturer of extruders including twin-screw machines for compounding and masterbatch production. They include SHJ basic lines, SHI-I high-torque machines and SHI-20 laboratory models


At Chinaplas, Nanjing Hengao will be highlighting its


capabilities for engineering complete turn-key systems based around its extruders. These include integrated control systems to ensure high accuracies, throughputs and efficiencies. ❙ www.hengaoextruder.com


Nanjing Zhitian specialises in the manufacture and repair of barrels for twin-screw extruders. The Chinese company can supply wear-resistant replacement barrels for a wide range of machinery produced by Euro- pean, American and Asian suppliers. It also manufactures gearboxes.


❙ www.njzhitian.com www.compoundingworld.com


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