ALUMINUM STEERING KNUCKLE

摘要

PROBLEM TO BE SOLVED: To provide an aluminum steering knuckle which has high rigidity in spite of being light in weight.SOLUTION: An aluminum steering knuckle 20 includes: a body part 21 which serves as a place to which a wheel support body is mounted; a dumper connecting part 22 which is connected to a dumper; a lower arm connecting part 23 which is connected to a lower arm; a tie rod connecting part 25 which is provided at the tip of an arm 24 formed by being extended from the body part 21 and connected to a tie rod; and a brake caliper installation part 26 in which a brake caliper is installed. In the aluminum steering knuckle 20, the arm 24 formed with the tie rod connecting part 25 at the tip is formed with a thinned part 24a, and the cross-sectional shape of the arm 24 at a position forming the thinned part 24a is formed in an U shape.