| 摘要 |
<p>Side frame of chassis of rail vehicle with stress concentration in the first zone (5) and the second zone (4) tends to the lower flange (6) of the side frame (1) of the undercarriage in the first zone (5) with such an angle that the point of intersection (Z) of the slope the outer line (S3) and the second vertical plane (S5) is above the second horizontal plane (S4) of the lowest point of the side frame (1).</p> |
