DFQ 5 plus SBH (Slim Base Heater) Nozzle Series
Minimum Cavity Spacing for Maximum Efficiency
At Fakuma 2015 Incoe International Europe, Rödermark, Germany, introduced its DFQ 5 plus SBH (Slim Base Heater) nozzle series, which reduces the minimum cavity spacing from previously 22 mm to 18 mm.
According to the manufacturer, the new nozzle series provides the user with practically unlimited use of all the benefits of screw-fit nozzles, making the injection molding process considerably much more efficient. The injection molder cuts costs straight away, as there is no need for a nozzle retainer plate to support the nozzle heads, nor for clamping nozzles and manifold by mold plates. Also eliminated are the supporting and reinforcement elements to prevent plate sag. Operating costs are lower, as there are no contact surfaces to the mold in the transition area between nozzle and manifold – heat losses into the mold are prevented at this point as well. Moreover, the form-fitting connection provides a high level of operational reliability: There is no danger of the leaks between nozzles and manifolds that can be caused by a reduction in pressing force in the network of mold plates, bolts and support elements. Servicing such as this interrupts production and results in considerable maintenance costs.
The only innovation to minimize cavity spacing is a heater newly developed by Incoe; for the sake of stability and production reliability, the nozzle shank remained unchanged. This streamlining provides even further improvement in temperature control. In combination with the HTT-type nozzle tip presented a year ago, developed for systematic temperature management in the gate area and for a wide range of applications, now very high process reliability stands for sustained high product quality – even in the case of small cavity spacing.
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