In the second repair cycle, on the basis of changing the profile, the grinding wheels in the whole train are replaced with low hardness materials and the working mode becomes intermittent low pressure.
The second 镟 repair cycle on the basis of changing the surface, the grinders in the whole train are replaced with low hardness material and the working mode becomes intermittent low pressure.
In the second lathing cycle, on the basis of changing the profile, the middle grinders of the whole train are replaced with low hardness materials, and the working mode becomes intermittent low pressure.<br>