2023 - 2024 Exhibitions
New stack mould system for thinwall packaging
Designed to withstand high filling pressures, the new compact stack mould, engineered by the hot runner manufacturer Oerlikon HRSflow for thinwall packaging applications, is equipped with the new Xd nozzle series.
The patent-pending solution, soon available on the market, enables fast injection and cycle times in a stable process with high part weight consistency, says the Swiss firm.
Moreover, assembly and maintenance are simplified and efficient thanks to a plug-and-play installation thus avoiding long and costly downtime. The system, which enables the use of smaller injection moulding machines, fits a maximum plate thickness of 220 mm and a minimum distance of 260 mm from gate to gate of coaxial nozzles.
Oerlikon says a demo tool equipped with this new technology is available at its test lab, which is equipped with six injection moulding machines – from 50 to 1,000 tonnes.
The new stack mould has also been developed to process PCR resins and sustainable compounds according to future needs which are increasingly connected to circular economy.
The tool has been designed to produce a 210 ml single-serving cup in R-PP with a weight of 6.3 g and a thickness of 0.3 mm. The mosaic frame on the part walls, patented by Collomb, allows a robust structure despite the part weight reduction.
The new Xd nozzle series ensures a stable injection process and the maximum productivity at a lower cost per unit.
Oerlikon is a leading provider of comprehensive polymer processing plant solutions and high-precision flow control component equipment. The division provides polycondensation and extrusion lines, manmade fibre filament spinning solutions, texturing machines, BCF and staple fibre lines as well as nonwoven production systems.
It also develops and produces hot runner systems and multi-cavity solutions for the injection moulding industry. Its hot runner solutions serve business sectors, inclu ding automotive, logistics, environmental, industrial applications, consumer goods, beauty and personal care and medical.
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