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In plastic product manufacturing, bubbles and pinholes are common quality defects that not only affect product appearance but may also reduce mechanical properties and service life. Therefore, end-to-end optimization from material drying to mold venting is crucial for ensuring high-quality plastic parts. This article systematically explores how to effectively reduce bubbles and pinholes through comprehensive process optimization.

Amid the global precision manufacturing trends highlighted at the K-SHOW exhibition, molds, as the core cornerstone of the manufacturing industry, their performance directly determines the quality and production efficiency of downstream products. The parting surface, as a key contact interface between the moving and fixed molds, is not only the separation benchmark for plastic parts after molding but also serves as a core control point for minimizing flash defects and avoiding demolding damage. Combining industry practices and technical standards, this article systematically decomposes the core technical points of parting surface optimization, providing actionable solutions for precision mold manufacturing.

Multi-cavity molds are essential for high - volume production, but ensuring consistent filling across all cavities is a complex challenge. Variations in filling can lead to defects such as short shots, flash, and inconsistent product dimensions, which can significantly impact product quality and production efficiency.

In the field of automotive interior manufacturing, the molding quality of Class A surfaces is directly related to product appearance quality and market competitiveness. Relying on its profound technical accumulation in the mold manufacturing industry, Taizhou K-SHOW Mould specializes in the high-precision molding of Class A surfaces for automotive interiors. By adopting sequential valve hot runner technology and mirror polishing molding technology, it provides customers with high-quality and high-efficiency mold solutions, meeting the stringent requirements of automakers for the appearance and performance of interior parts.