辊式矫直产生的轨高变化
RAIL HEIGHT CHANGE CAUSED BY ROLL STRAIGHTENING
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Abstract: The contour size changes of rail before and after straightening, involving width of rail head, rail height and rail length, were measured.The causes of rail height decrease were analyzed.The deformation mechanism of rail height decrease was put forward by means of laboratory simulation.
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Key words:
- rail /
- roll straightening /
- change of rail height
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