machinery | Mixers
Right: TPEI‘s “one-touch” process control system uses real-time analysis to ease optimisation
widely used in the flexible PVC sector, with the addition of the high-torque FCM HT series. The latest model in the range is a seven-inch version, the 7FCM-HT, which fits between the existing 6FCM-HT and the 9FCM-HT. It has a maximum output of 3,000 kg/h. Technical Process & Engineering (TPEI) is another
producer of continuous mixers and recently added 760m2 of combined manufacturing, office and assembly space. “These updated capabilities have allowed us to incorpo- rate cutting edge PLC systems and automation into our machines,” says Application Specialist Slayton Altenburg. The company is currently developing a “one touch”
“Avoiding inconsistencies that can arise from batch
manufacture is a prime benefit of continuous mixing but others include processing product that is more readily free flowing at a constant temperature and requires consistent ingredient distribution,” McGee says. “On-going advances in continuous mixing technology
are removing many of the barriers to switching from batch to continuous mixing. Companies who had previously rejected change to continuous operation because of the demanding requirements of quality control and verification can now take advantage of improvements in in-line measuring techniques and control technology,” he says.
Continuous melt mixing Earlier this year, Compounding World reported from the Plast 2015 exhibition in Milan that Farrel Pomini is reporting growth in business for its Continuous Mixer. Business unit director Paul Lloyd says the equipment has particular strengths in production of masterbatches, PVC and compounds of temperature-sensitive materials. Strong growth around the world in luxury vinyl tiles (LVTs) for industrial and domestic use has also provided a boost for sales last year and this, he says. Farrel Pomini recently updated its FCM series,
process parameter system. “By gathering data from many points throughout the compounding process we are trying to “teach” the PLC to optimise the process it is running by fine tuning compounding conditions based on real time analysis of microclimates existing within the machine,” says Altenburg, who explains the aim is to achieve a greater level of consistency and repeatability. “We have also had success with rotor and machine
configurations adapted to specific compound ingredi- ents. These designs will allow for heavy pigment loading of colour concentrates, up to 50% of colorant.” TPEI’s 1FR lab machine has also been refined to accommodate a larger group of materials, he adds. “Much attention has been given to developing more accurate scale-up equations from lab size and proof-of- concept to rail-car production levels.”
Click on the links for more information: ❙
www.mti-mixer.de ❙
http://mixaco.com ❙
www.zeppelin-systems.com ❙
www.promixon.com ❙
www.cacciaeng.it ❙
www.plasmec.it ❙
www.ajax.co.uk ❙
www.farrel-pomini.com ❙
www.tpei.com
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