Process control Overcoming the challenges of high- cavity side gating

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In high-cavitation side gating, small deviations quickly become costly defects. Innovative hot runner technologies are changing that equation by improving melt balance, gate control and process stability for lightweight, precision-moulded parts.

Injection moulding has long been a cornerstone of manufacturing, enabling the production of complex, high-precision parts across industries such as medical devices, technical components and packaging. Among various gating strategies, side gating has proven to be a reliable and cost-effective solution, particularly for parts requiring deep draws and intricate geometries.

However, as demands for higher cavity counts and smaller, lightweight components increase, traditional side gating approaches face growing challenges. This article explores the reality of high cavitation side gating, the inherent limitations that emerge at scale, and the technological developments aimed at extending process capability while improving quality, efficiency and cost control.