Hot Runners
MoldMaking Technology's Most-Viewed Content of 2025
The most popular MoldMaking Technology content according to analytics reports over the past year.
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Vertical Multi-Nozzle Features Active Mold Cooling
Source: Witosa Witosa’s MonolithPlus multi-nozzle is an additively manufactured, vertical multi-nozzle that features active cooling of the mold insert.
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Minimizing Secondary Operations in Injection Molding
A compact solution for high-quality parts with direct injection, eliminating halos.
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A Three-Pillar Strategy Drives Manufacturing Success
An exclusive look at how one of North America's hot runner manufacturers focuses on domestic production, cross-training and customer-first service.
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Strategic Mold Venting – Placement and Method
Knowing where and how to vent a mold is critical for difficult areas and complex geometries.
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Shop Talk: Two-Year Mystery: Tiny Ceramic Culprit
Rural Iowa injection molding company battled underfilled mold cavities for two years until discovering a forgotten ceramic insulator was blocking production channels.
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Nozzle Series Improves Performance in Close Cavity Systems
Mastip Inc. highlights its MX Nozzle Series, known for its high performance in multicavity, hot half systems and close cavity systems, which has expanded to include the recently released MX09 nozzle range.
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Hot Runner System with Three-Platen Design Reduces Stack Height
Mold-Masters features its optimized PET-Series hot runner system. Its three-platen design can improve geometric thermal balancing and reduce plate bowing to enhance preform quality.
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Controlling Your Hot Runner Manifold System
For this summer school basics series, Pellet to Part explores each stage of the plastic injection molding process. Moldmakers and molders need to better understand modern hot runner controller technology to solve processing problems.
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Technology Review and Sourcing Guide 2025: Hot Runners
A hot runner system is an assembly of heated components used in plastic injection molds that inject molten plastic directly into the cavities of the mold. Access exclusive, online-only content, including a suppliers list, hot runner products as well as services.
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