DF 8 Nozzle

Reduced Size and Simplified Mold Cutouts

At this year's Fakuma, Incoe International, Rödermark, Germany, presented the new slim DF 8 nozzle, whose reduced outer dimensions and simplified mold cutouts are based on the development of the space-saving and patented MultiPower heater.

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The MultiPower heater concept has already been used on the “big sister” nozzle, the DF 12, so it was only logical to extend this successful concept to the other nozzles in the product range. Based on a monoblock construction, the DF8 nozzle displays a very good temperature profile over the entire length of the flow path and can thus offer the injection molder optimum processing conditions – with only two heating zones up to a length of 420 mm. This not only saves on heating zones, but also costs, which can arise due to inadequate temperature control during operation.

Optimum positioning of injection points in a confined space: Injection of loudspeaker grilles for car door linings with the new slim DF 8 nozzle with patented MultiPower heating (© Incoe)

In accordance with the modular and user-friendly basic concept of the Direct-Flo hot runner range, it is designed as an easy-to-handle, interchangeable heating system containing fully integrated heating wires, easily interchangeable thermocouples and a cable outlet centrally located on the nozzle head. The target markets for this new development are wherever there are points deep in the mold that need to be injected with plastic, in confined spaces and in the average shot weight range, for example in the injection of loudspeaker grilles for the automotive industry.

The new MultiPower MP16 heater for the DF 8 series with two separate heating zones has demonstrated a very good, consistent temperature profile across its entire length during testing at the technical center. The heater has a smaller outer diameter than the previously used heater and only requires a circular cutout, without lateral grooves for external cables. With the new heater, Incoe has developed a consistent upgrade to its modular system. Along with the HEM miniature hydraulic cylinder, this creates a very compact valve gate shot with nozzle lengths of up to 420 mm. This now also creates a stable mold with lower production input, even in confined spaces. Further benefits include simple heater installation via a circlip and a centring ring which guarantees that the nozzle is threaded securely into the cutout in the mold.

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