EXTRUDER DEVELOPMENTS | MACHINERY
Recent extruder developments include a new extrusion line to make tapered medical tubing, a high-speed machinery range and a line to make reel support cores using recycled materials
Line producer: latest extruder developments
Extruder developments can encompass a range of areas – from the design of the screw and barrel through the ability to save energy and raise product quality. Tecnomatic has launched its latest Evo series of
extruders with L/D ratios of 37 and 40. The company says that the series is a “major evolution” in its extruder technology – with an overhauled screw geometry and newly designed spiral feed-bush. The development will help to optimise plasticisation, enhance material homoge- neity and raise energy efficiency, says Tecnomatic. “The Evo series is a significant leap forward, yet maintains the exceptional performance levels our customers expect,” said Massimiliano Vailati, sales director at Tecnomatic. “We’ve developed an extruder that exceeds the capabilities of its predecessors.” Tecnomatic says it has re-engineered the screw geometry using advanced engineering principles and state-of-the-art materials. This enhances the plasticisation process, for superior melt quality and high-quality extruded products, it says. In addition, the spiral feed-bush helps to
improve the extruder’s overall performance. By regulating material flow into the screw, it ensures consistent, uniform feeding. This improves product homogeneity, reduces output variations and raises
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operational efficiency – for less waste and opti- mised production. A core objective of the Evo series is to deliver
energy savings, which Tecnomatic says is of growing importance. The redesigned components help to reduce operational costs – and environmen- tal footprint, it says.
Recycled cores Tecnomatic has also teamed up with Italgreen – an artificial grass company – to introduce a new production line to make reel support cores. The new line reuses scraps from artificial grass
production, helping to minimise waste and promote circularity in the manufacturing process. It uses a number of Tecnomatic’s technologies, including its Atlas series 75.30 extruder, anti- hu- midity volumetric dosing system, Venus 160 die-head and downstream equipment. The Atlas extruder plays a pivotal role in
processing the recycled scraps from the artificial grass production process. The extruder efficiently transforms the reclaimed materials into the raw material needed to produce reel support cores. This reduces the need for virgin raw materials, helping to conserve natural resources and lower overall environmental impact. Consistency in material properties is essential to
Autumn 2024 | PIPE & PROFILE EXTRUSION 33
Main image: Tecnomatic’s Evo series of extruders is now available with L/D ratios of 37 and 40
IMAGE: TECNOMATIC
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