Tool-Based Technology Boosts Hot Runner Molding Control

Synventive Molding Solutions’ activeGate tool-based molding technology is designed to provide control over the molding process and to enable production of higher-quality parts than traditional hot runner systems.

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Synventive Molding Solutions’ activeGate tool-based molding technology is designed to provide control over the molding process and to enable production of higher-quality parts than traditional hot runner systems. 

According to the company, activeGate products employ position, pressure and temperature sensors within the hot runner and mold cavities to provide independent melt flow control at each individual gate. They include a variety of Synventive technologies, including Dynamic Feed injection pressure control at each gate; eGate electronic control of pin movement for increased process repeatability; SynFlow hydraulic two-speed control of the pin’s opening velocity, eliminating surface defects; and nuGate pneumatic control of pin movement on more commonly used pneumatic valve gate systems.

Benefits of these technologies include higher-quality surface finishes, higher production rates, decreased scrap, faster mold startups and the ability to mold parts with complex geometries, Synventive says.