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制造商未在康明斯6BT118柴油机上镶缸套,但允许在气缸磨损量超过使用极限时镶专用缸套。上饶汽运总公司对专用缸套和牟平102系列缸套同时进行了镶装试验。镶专用缸套时,先将缸套承孔搪至φ104.94mm,并保证承孔与缸套的过盈量为0.05~0.07mm,注意在承孔下部留7~8mm高的止口,再将已在-20℃条件下冷却1小时以上的缸套涂胶并压入承孔,最后切除缸套上端高出缸体上平面的部分,将缸套内孔搪至φ101.97mm(留0.02~0.03mm珩磨量),
The manufacturer did not insert a cylinder liner on the Cummins 6BT118 diesel engine, but allowed the use of a dedicated cylinder liner when the cylinder wear exceeded its limit of use. Shangrao Qiyun Corporation special cylinder liner and Muping 102 series cylinder liner at the same time inlaid test. Set special cylinder liner, the first liner bore enameled to φ104.94mm, and to ensure that the bearing bore and cylinder liner of the amount of interference 0.05 ~ 0.07mm, attention to stay in the lower part of the hole to stay 7 ~ 8mm high stop, and then Will have been cooled at -20 ℃ for more than 1 hour cylinder liner coated and pressed into the hole, and finally cut off the top of the cylinder liner above the plane part of the cylinder liner bore to φ101.97mm (leaving 0.02 ~ 0.03mm honing amount),