Efficient Solutions Improving part quality of injected components by minimizing barrel bow

From Ahlam Rais

Canada – The SYMFILL Technology which is exclusively available with Mold‐Masters hot runner systems is capable of minimizing the barrel bow to improve part quality of cylindrical, centre injected components having an aggressive L/D ratio. This technology will be useful for producing blood tubes, needle shields, over caps and other similar parts from the medical, cosmetic and stationary industries.

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Minimizing barrel bow offers many downstream processing advantages. Source: Mold‐Masters
Minimizing barrel bow offers many downstream processing advantages. Source: Mold‐Masters
(Source: Mold‐Masters)

The SYMFILL Technology significantly minimizes the core shift to improve part quality (straightness) of cylindrical, centre injected components having an aggressive L/D ratio. It achieves this by allowing the melt to enter the nozzle runner channel from multiple sides as opposed to the single‐entry point of traditional designs. Examples of such components that would benefit from this technology include blood tubes, needle shields, over caps and other similar parts from the medical, cosmetic and stationary industries.

Minimizing barrel bow offers many downstream processing advantages which includes:

  • Tubes roll concentrically in the labelling machine
  • Increases final stage throughput
  • Minimizes machine downtime

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