| 摘要 |
PURPOSE: A manufacturing method of a vehicle hybrid steering column shaft is provided, which can improve the gas mileage and output using the material with superior rigidity and intensity. CONSTITUTION: A manufacturing method of a vehicle hybrid steering column shaft comprises: a step of forming the inner shaft(10a) by laminating unidirectional fiber-reinforced composites outside the mandrel for forming a hollow; a step of deciding the alignment angle of the unidirectional fiber-reinforced composites; a step of forming the exterior shaft(10b) by laminating the fabrics reinforced composite outside the inner shaft; a step of deciding the alignment angle of the fabrics reinforced composite; a step of joining composites; and a step of separating the mandrel from the composites and removing them if each composite is hardened.
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