MACHINERY | MATERIALS HANDLING
Right: Maguire’s WXB Weigh
Extrusion Blender can control an extrusion line from start to finish when combined with a supervisory system
blender control, is designed for communication with other systems in an Industry 4.0 setting. It enables the WXB blender to interface with the Maguire + Syncro supervisory system, which provides control of all segments of the production line from a single touch- screen HMI control. In blown film production, for example, the system controls extruder temperature, raw material metering and consumption data, air ring automation, gauging, internal bubble cooling, web and cage handling, haul-off, and winder. The system can be deployed for coextrusion with multiple extruders. The Maguire + Syncro control display allows users to easily visualize single-layer and coextru- sion processes. Modes of extrusion control available include pounds or kilogrammes per hour; weight per length of extrudate; and product thickness in microns. The WXB is initially available in three models: WXB 100 for throughputs of 100-220 lbs/hr (50-100 kg/hr); WXB 200 for 220-440 lbs/hr (100-200 kg/ hr); and WXB 400 for 440-880 lbs/hr (200-400 kg/ hr). The blenders can be configured for up to 12 ingredients, each with a separate dispenser.
Below: Coperion’s ZS-B side
feeder with FET can increase material intake capacity by up to three times
Feeding time At Fakuma later this month,Coperion and Coperion K-Tron will present a number of solutions for efficient feeding of bulk material. Among them is the Coperion ZS-B side feeder, which is used to feed raw materials into numerous extrusion processes. The side feeder includes the patented Feed Enhancement Technology (FET) that increases the material intake capacity in the processing of feed limited products by up to three times, says the company. For improved feeding accuracy of loss-in-weight feeders, Coperi- on K-Tron will present its EPC electronic pressure compensa- tion system. The ZS-B twin screw side feeder enables the reliable side feeding of fillers and additives in powder or pellet form or cut glass fibres into the process section of tahe twin screw extruder. It features a self-cleaning profile of the twin screws and
30 PIPE & PROFILE EXTRUSION | October 2018
product feeding into the screw flights of the extruder without stagnant zones. It
requires little space due to its compact design. Coperion’s FET applies a vacuum to the feed zone by
means of a porous, gas-permeable wall. The resulting gas extraction increases material intake capacity in the processing of feed limited prod- ucts up to threefold, says the com- pany – boosting throughput rates. At the same time, Coperion K-Tron
will present the electronic pressure compensation system (EPC) for its high-accuracy loss-in-weight feeders. The main advantages of the new system include
improved accuracy and reliability as well as lower initial cost and easier installation compared to traditional mechanical pressure compensation systems. Coperion K-Tron presents a clever but simple
electronic solution for accurate and steady pres- sure compensation in feeder hoppers and outlets. The modular design incorporates pressure sensors and electronics tailored to interact smoothly with Coperion K-Tron’s KCM feeder control system. Retrofitting options for existing feeders are available. EPC can be installed on most of the company’s gravimetric feeders. Also at Fakuma, Piovan of Italy will show a number of materials handling products – including an EL20 model in its Easylink+ range, which includes a state-of-the-art pipe cleaning procedure that guarantees the absence of cross-material contamination, says the company. Easylink+ will be in operation together with a Modula series auto-adaptive dryer and Pureflo filterless granule receivers. And, for the first time at Fakuma, Piovan will show its Quantum E gravimetric batch blender with continuous extrusion control, complete with a 15in touch-screen panel control. Under its FDM brand, the company will exhibit a
gravimtric dosing system in the GDS series, which features Siemens control, and is designed for the needs of pellet, flakes, regrind, additives and powder treatment.
Mixing it up At the NPE exhibition in the USA earlier this year, MTI Mischtechnik exhibited a heating/cooling mixer combination Flex-line that was later deliv- ered to PVC pipe producer Northern Pipe Products after the show.
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PHOTO: COPERION
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