Dimensional instability refers to the change in the size of plastic parts between each batch of router injection molding products or between each cavity product produced by each mold under the same injection molding machine and molding process conditions. Fluctuations in product size are usually caused by abnormal equipment control, unreasonable injection molding conditions, product […]
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Color change of medical injection molding products, also known as color streaks, refers to the phenomenon that the color of the injection molded product is inconsistent with the standard color. The following is the analysis and troubleshooting methods of color change and color streaks: 1. The quality of the colorant does not meet the requirements […]
Flow marks are common surface defects of plastic parts near the gate, which appear as a wavy mark and present a concentric circle centered on the gate. Flow marks are usually caused by uneven temperature distribution of plastic parts during the molding process or too fast plastic solidification. In addition, during the melt flow process, […]
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