Thermoplay: new nozzles for fast cycles at Fakuma

7 October 2015
Thermoplay: new nozzles for fast cycles at Fakuma

Among the novelties introduced to Fakuma, Thermoplay underline the new shut off nozzle, suitable for moulding technical parts, where the injection speed and high pressure require high performances. The sealing area between the nozzle head and manifold has been upgraded, in order to compensate the injection pressure increase during fast production cycles. To get an optimal injection rate, the melt channel inside the nozzle has been increased. In addition, the thermal exchange between pin and cavity plate has been improved to achieve a faster cooling of the gate area. Finally, the construction guarantees a mechanical clamping even when the system is not thermally expanded. This represents a safety solution especially when cold start up accidentally happens. Typical applications of these special solutions are thin wall plastic parts which require high injection speed and fast cooling cycles.

Systems for injection blow moulding
Thermoplay has developed a new hot runner manifold that makes the latest innovations in hot half design available to the injection blow moulding sector (Aoki or Nissei ASB or similar)
In the most common applications the injection system is made up of an unbalanced manifold with the nozzles threaded on it. The nozzles are often free flow and they are heated by the heat transferred by conduction from the manifold.
The new Thermoplay design is made up of a manifold with balanced flow channels and the nozzles are assembled to it only by mechanical compression (seated nozzles). This technology allows the nozzles to be always centered within the cavity, reducing the wear in the coupling zone. The nozzle plate is conditioned to have the same temperature as the mold (30°C).
An outer body is screwed externally on each nozzle (so that it can be easily removed) which couples with the forming cavity.
All the Thermoplay nozzles are provided with plastic sealing zones in order to avoid any plastics leakage and to guarantee an high quality injection point on the preform.

Visit Thermoplay at Fakuma 2015, Hall B3, Stand 3118

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