2016 | Ancillaries Surface effects
Saueressig is to present its embossing roller technologies, which can create various surface structures to allow visual, haptic and functional effects. Thanks to short pulse laser technology, the company can
implement 3D structures in almost any fineness, it says. These precise embossing structures with a depth in the sub-micron range open up new design and application options – including extruded polystyrene board, decorative foils for the automobile industry and structured technical foils.
Gentler handling Conair will demonstrate its new R-Pro vacuum conveying system – which minimises pellet fracturing, angel hair and equipment wear caused by conventional dilute-phase conveying. The company says that R-Pro takes a new approach
to vacuum conveying by reducing the flow rate – without limiting throughput – in order to minimise resin damage. Pellets move at slow speeds in dense slugs of
Maguire says its LoPro vacuum loading system is shorter and easier to operate than standard systems
material, from around 70m/min (230ft/min) up to 366m/ min (1200ft/min). In comparison, conventional high- speed dilute-phase conveying can run as high as 829m/ min (6000ft/min) – which can cause pellets to smear against the sides of aluminium tubing, creating ‘angel hair’ that can clog the system. In similar vein, Coperion K-Tron will unveil the Gamma-Bend – a deflector elbow that prevents angel hair build-up, especially during 90° direction changes. As a result of the special geometric design as a sectional elbow, pellet grains only come into brief contact with the elbow wall and are transported directly to the next section without needing to glide at all.
High aspirations Vent Tec 2.0 is a new generation of high-performance aspiration systems for heating/cooling mixer combina- tions from MTI Mischtechnik. The company says that the devices are the first to control their operation autonomously – as a function of actual process parameters – to provide constant processing conditions.
Saueressig’s embossing
roller technologies can create a variety of surface structures
This helps to maintain high product quality in the plastics processing. Main applications include the production of rigid and
soft PVC dryblends and natural fibre compounds, as well as thermal processes where Vent Tec 2.0 devices dehumidify the mixture or reduce the volatiles content. The new generation aspirator systems are available
in various sizes for all mixing volumes and accommo- dating nearly all ATEX environments and mixer designs. Thanks to their autonomous control technology, they can also be retrofitted to other manufacturers’ machines.
Loading up Maguire Products will introduce a new vacuum loading system that is it says is much shorter – and far easier to operate and maintain – than standard systems. LoPro, which is used to convey pellets and regrind
from storage to single or multiple blenders, is simpler to operate than standard systems and consists of autonomously controlled receivers that are 80% shorter than conventional material loaders and receivers. The device’s low-profile receivers protrude only 200mm (8in) above the lid of a blender, providing a low centre of gravity that minimises potential sway on fast-cycling processing machines. Each receiver is self-controlled, with no central control required. Connection and installation is simple, with plug-and- play cabling and sequential linking of components. Receivers load on a first-in/first-out basis. Vacuum is supplied from a ‘mini-central’ unit mounted on a portable floor stand or on the blender frame. The discharge or ‘dump’ flap in the LoPro receiver is
up to six times wider than the flap on traditional upright receivers, making possible a dump time of only 1-2 seconds per cycle, depending on material flow properties.
Split decision Baumer is to introduce the Split-HE 500, which allows precision splitting of sheets and block material with
50 FILM & SHEET EXTRUSION | October 2016
www.filmandsheet.com
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