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Sex Doll Social

Alice Leo أضاف وظيفة جديدة أخرى
2026-05-27 03:49:07 -

How to Prevent Defects in Automotive Bumper Mold
During high-volume automotive production, a Bumper Mold must operate under extreme pressure and temperature conditions. However, defects can still occur during injection molding if process parameters or mold design are not optimized. One of the most common defects is weld lines. These occur when two flow fronts meet but fail to fully fuse. This typically happens when injection speed is too...

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