| 摘要 |
<p>The present invention relates to an input shaft for a vehicle transmission which can significantly reduce machine equipment costs to manufacture the input shaft, improve durability of the input shaft, and reduce production costs, and to a manufacturing method thereof. The input shaft for a vehicle transmission of the present invention has a seamless pipe, a serration, an inner communication channel, an outer communication channel, and a circular flange welded to a certain place, and is coupled to a spring cap installed through a press process to prevent lubricating oil and cooling oil from being mixed with each other in an oil hole. Accordingly, provided is an effect of gaining economic benefits by reducing the machine equipment costs and manufacturing costs of a product as the input shaft can be manufactured without a post-process.</p> |
