| 摘要 |
The present invention's method for manufacturing the ball joint for automobile, consisting of a housing 2 connected to the end of rod 3, a round head 1a, a neck 1c and a screwed part 1b, which has a build-in ball stud 1 designed for the said round head 1a to go around the said housing, is composed of coating the said round head 1a of the ball stud 1 with a lubricant, moulding the housing 2 with the FRP (Fiber Reinforced Plastics), and then insert-moulding the round head 1a of the said ball stud 1 into the housing 2. Accordingly, this invention is designed to insertion-mould the ball stud into the said housing even when the rod and housing are moulded with the fiber reinforced plastics and, therefore, it is possible to eliminate a process which is required to forcedly insert the ball stud into the said housing, to easily prevent the inside between the ball stud and housing from being loose even when both of the metal and plastic materials are combined for production, and to improve the housing strength resulting to its longer service life.
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