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International Journal of Automotive Technology > Volume 6(5); 2005 > Article
International Journal of Automotive Technology 2005;6(5): 507-511.
T.-H. KANG, I.-K. KIM, Y.-S. KIM
Pukyong National University
Recently, many solution have been suggested to development of plastic products. Among many manufacturing technologies for plastic parts, the injection molding process is very attractive because of its low production cost and short cycle time. In this paper, the plastic ball seat of a ball joint, one of the essential components for automotive suspension or steering system, was studied to enhance its mechanical performance and durability by using PA66 that is reinforced polymeric plastic resin. But ball seat has some trouble in manufacture process. And strength of molded part is not enough to use. For the quality stabilization and reliability of injection molded parts, we designed the mold cavities through analytical simulation software and tested the mechanical performance for the injection molded ball-seat parts. After modification, tensile strength increases by about 13.5%. Strength and quality stabilization is improved.
Key Words: Ball-seat, Ball joint, Injection mold, Tensile test
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