Tiny hydraulics, big switches of hue

Incoe Tiny hydraulics, big switches of hue

21.11.2013Editor: Eric Culp

Small cylinders add to designs; nozzle tips help colour changes.

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Producers of multi-cavity moulds can reduce cavity spacing and map more cavities on the same machine, for example, or use hydraulic cylinders in applications that were once confined to small pneumatic components.
(Source: Incoe)

Incoe is presenting the component at the core of its miniature hydraulics, the HEM compact hydraulic cylinder, and is focusing on colour change technology.

According to the supplier, the miniaturised cylinder delivers the same performance as components twice its size and offers wider possibilities in tool and machine design and construction.

See: Cube mould makes two parts; modular tool needs no tie bar extension

It said producers of multi-cavity moulds can reduce the cavity spacing and map more cavities on the same machine, for example, or use hydraulic cylinders in applications that were once confined to small pneumatic components. In automotive, the manufacture of large moulded parts, such as door trim panels, conventionally requires large hot runner systems tailored to the geometry of the moulded parts. Smaller production parts broaden the options for selection of injection points for additional latitude for the positioning of pieces such as slides and ejectors. Moreover, smaller milling areas give tools greater stability, and the output of the HEM is suitable for large, long nozzles.

In nozzle technology, Incoe said the development of the VIX-type tip was driven by the demand for quick colour changes. The channel geometry in the nozzle tip has been optimised for good rinsing performance and quick exchanges of mass, the company said, and simplification of the structure has eliminated all the joints on the channel surface.

The company cited users who have cut the time and effort for colour changes. As well as efficient changes, the screwed-in nozzles help ensure a firm and leak-proof connection, regardless of the operating point and the material involved. The flow channel, from the machine nozzle to the mould cavity, becomes a “single-piece‘ within a hot runner, with components firmly screwed in place. Complete and ready-to-run systems reduce the level of production and assembly effort and increase operational reliability, Incoe said. | ec

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