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Home > Featured Articles > Synventive Announces the New Synflow® Technology
Synventive Announces the New Synflow® Technology
Synventive Announces the New Synflow® Technology

Synventive Announces the New Synflow® Technology

Molders can now slow the opening of the pin for a set distance and hold at that position until closing, or alternate different moves within a cycle.

At Fakuma 2017, Synventive introduced their new Synflow3® technology for hydraulic actuated valve gate systems. It gives molders all the abilities of previous versions of Synflow® and much more.  This technology help molders eliminate cosmetic defects on sequentially filled parts caused by sudden flow front accelerations and stagnations created when the delayed pins open.  The next generation Synflow brings more advanced features, which allow molders to quickly and easily define the complete molding parameters for a specific application. The Synflow® technology can be supplied with the hot runner system or as the need arises, can be added later to the system.

The third generation of Synflow was developed with simplicity of use in mind and has dramatically increased functionality to greatly improve the performance and user experience of Synflow.  The most significant addition to Synflow’s functionality is the ability to stop the pin and hold it at any position mid-stroke.  This allows for individual flow rate control of each nozzle to balance family molds or fill complex multi-gated geometries.  Alternating opening profiles can even be programmed offering the ability to pre-fill cold runners or create differential packing within complex multi-gated parts.

Synflow Features:

  • No connection to the injection molding machine necessary
  • Test the functionality on the actual tool without committing to additional equipment
  • Same controls equipment can be used on multiple systems
  • Pin sequencing is still done through current process simplifying use for machine operator
  • New software platform designed for ease of use
  • Ability to stop the pin mid-stroke to independently regulate filling or packing of each nozzle
  • Ability to program alternating moves allows for prefilling of cold runner or differential packing


Synflow3® technology

The most significant difference between Synflow and other pin control technologies currently on the market is the ability to upgrade to it after parts have been molded with an enabled hydraulic actuated system.  During mold sampling if it is determined through a brief trial that synflow would benefit the process the technology can be installed to the hot runner system.  All Synventive valve gated hot runners can come standard with SVG+, which includes position sensors that allows for the simple test opportunies.  The Synflow technology can then be added to any enabled system. Molders no longer need to commit to these flow control technologies for the life of the tool not knowing if they will ever actually be needed.

About Synventive

Synventive, a business of Barnes Group Inc. (NYSE: B), is one of the world’s leading manufacturers of innovative hot runner systems and controls for injection molded plastic parts.  Since the 1970’s, Synventive has proudly met the challenging requirements of global customers in automotive, electronic, medical, and consumer markets.

Synventive has manufacturing operations in North America, Europe and Asia, each with its own manufacturing, design, and research and development departments. North America is served by the company’s Peabody, Massachusetts facility; Europe by the company’s Bensheim, Germany facility; and Asia by the company’s Suzhou, People’s Republic of China facility.  Additionally, Synventive has sales and service offices and/or representatives in 26 countries.  For more information, please visit


About Barnes Group

Founded in 1857, Barnes Group Inc. (NYSE: B) is an international industrial and aerospace manufacturer and service provider, serving a wide range of end markets and customers. The highly engineered products, differentiated industrial technologies, and innovative solutions delivered by Barnes Group are used in far-reaching applications that provide transportation, manufacturing, healthcare products, and technology to the world. Barnes Group’s skilled and dedicated employees around the globe are committed to achieving consistent and sustainable profitable growth. For more information, visit

autor: Synventive Molding Solutions s.r.o.
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