| 摘要 |
A wear plate for a side-frame column surface of a railcar truck assembly side frame has corner relief at the corners of the surface in proximity to the bolster and the friction shoe in the friction-shoe pocket, which friction shoe is still operable to damp the harmonic oscillations of the railcar by contact with the surface of the wear plate, but the bolster lands in proximity to the wear plate are protected from harm and wear through indiscriminate contact with a sharp corner of the wear plate.
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