• How to fix Tiger flow line on the automotive plastic part

    The amount of plastic used in automobile has become an important symbol to measure the level of automobile design and manufacturing technology. At present, more than 10% of the domestic automotive parts are made from plastic including exterior trims such as bumper, skirts and fenders, and exterior trims such as instrument panels, panels and pillars, also engine peripheral parts such as GOP, covers and inlet manifolds. Most of the plastic automotive parts are injection molded because the process has unbeatable advantages such as short molding lead time, high production efficiency and low manufacturing cost is low. However, the coin always have two sides. There are also some plastic defects such as Tiger Line that we could not overlook What is Tiger Flow Line then? Tiger lines are streaks, or wave lines –  look like patterns on tiger skin, with stripes about perpendicular to the direction of melt flow,which is a kind of flow mark.  It usually shows up on automotive…

    Injection molding process October 19, 2019
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