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HRSflow (San Polo di Piave, Italy) introduces Three Layer Tip, Pressure Block and Thread Safe Kit.

Clare Goldsberry

March 8, 2017

1 Min Read
New hot-runner products simplify injection molding process

The new Three Layer Tip, Pressure Block and Thread Safe Kit is the latest innovation from HRSflow (San Polo di Piave, Italy) designed to optimize injection molding processing, while simplifying routine maintenance of hot-runner systems.

The Three Layer Tip is a coating-free tip made of three materials, one of which is a copper bushing internal to the flow channel to improve thermal conductivity. The new design provides increased temperature at the gate, thereby improving processing of glass-filled materials, for example. 

The Pressure Block is made with low-heat conductible materials positioned between the hot runner system and the mold, which increases clamp plate stiffness under load and provides an optimal thermal profile along the whole hot runner system, critical for ensuring the quality of the finished part. The main feature is flexible positioning that won’t negatively affect the thermal profile of the hot runner system, says HRSflow.

The new Thread Safe Kit optimizes the injection molding process and simplifies routing maintenance. A special bushing positioned between the nozzle and manifold provides easy nozzle removal without thread damage when processing materials such as PMMA and PC. The new design eliminates thread seizing between the duct and manifold, allowing for simple removal of the nozzle from the manifold for routine maintenance in any condition.

About the Author(s)

Clare Goldsberry

Until she retired in September 2021, Clare Goldsberry reported on the plastics industry for more than 30 years. In addition to the 10,000+ articles she has written, by her own estimation, she is the author of several books, including The Business of Injection Molding: How to succeed as a custom molder and Purchasing Injection Molds: A buyers guide. Goldsberry is a member of the Plastics Pioneers Association. She reflected on her long career in "Time to Say Good-Bye."

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