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  How to Control Holding Pressure in Injection Molding & Its Effect on Product Quality

  Holding pressure is one of the most critical parameters in injection molding, which directly affects product weight, dimensional accuracy, shrinkage, warpage, surface quality, and internal stress. Aft

  2026/04/14 Injection Molding

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  How to Control the Dimensional Accuracy of Plastic Products

  Dimensional accuracy is a core indicator of plastic product quality. Products with unstable dimensions, out-of-tolerance, or severe deformation will lead to assembly failure, functional failure, and h

  2026/04/14 Plastic Molds

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  Plastic Mold Venting Groove Design & Dimensions

  Venting is one of the key technologies in injection mold design, which directly affects product appearance, dimensional stability, and production efficiency. Poor venting often leads to trapped air, b

  2026/04/14 Plastic Mold

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  How to Fix Silver Streaks on Injection Molded Products?

  Silver streaks, also known as silver marks, splay marks, or flow lines, are among the most common appearance defects in injection molding production. These thin, silvery, thread-like marks typically a

  2026/04/14 Injection Mold

• Key Points of Drying Process for PA6 and PA66 Before Injection Molding

  PA6 and PA66 are common polyamide engineering plastics with strong hygroscopicity. Insufficient drying before injection molding can easily cause defects such as silver streaks, bubbles, reduced mechan

  2026/04/13 Injection Molding

• How to Improve Poor Venting in Plastic Molds

  Poor venting is one of the most common problems in injection molding. When air and volatile gases produced by heated plastic cannot be discharged smoothly during melt filling, they become trapped in t

  2026/04/11 Plastic Molds

• Methods for Controlling the Injection Molding Cycle

  The injection molding cycle is the complete time from mold closing to the next mold closing, and it directly determines production capacity, energy consumption, and manufacturing cost. A reasonable cy

  2026/04/11 Injection Molding

• Replacement and Precision Repair of Worn Guide Pillars in Plastic Molds

  Guide pillars and guide bushings are key positioning components in plastic molds. They ensure accurate mold alignment during opening and closing, directly affecting product dimensional accuracy, flash

  2026/04/09 Plastic Molds