Manufacturing method of spring pad for automobile suspension device using foam injection molding

Disclosed herein is a manufacturing method of a spring pad interposed among a spring used in an automobile suspension system and an upper sheet and a lower sheet for supporting the spring, wherein the spring pad includes an insulator getting in contact with the spring to absorb shock and forming a body of the spring pad, and is manufactured through foam injection molding of the insulator to be lightweight. 本发明作为一种夹杂在用于汽车悬架装置的弹簧和支撑所述弹簧的上部及下部垫之间的汽车悬架装置用弹簧垫的制造方法，其特征在于，所述弹簧垫包括绝缘体，该绝缘体接触所述弹簧而吸收冲击并形成弹簧垫的主体，为了所述弹簧垫的轻量化，通过发泡注射成型来制造所述绝缘体。