| 摘要 |
The present invention relates to a lower arm for a vehicle. It includes a top rib part having three end parts with a ball joint connected a first bush, a second bush, and a wheel and protruding from both width direction end parts of a reinforcing part formed between the first and second bushes, a bottom panel including a top forming part protruding from a width direction middle part of the reinforcing part, a bottom rib part combined with the top of the bottom panel and touching the top rib part, a top panel including a bottom forming part having a hole part and touching the top forming part, a first welding part combining the top panel with the bottom panel while being welded along an end part of the top rib part of the bottom rib part, a second welding part combining the top panel with the bottom panel while being welded along a border of the hole part, and a gap part formed between the bottom panel and a part in which the second welding part is not formed and having a path for a foreign substance in the top of the top panel moving to the bottom of the panel. |
