发动机曲轴与轴瓦的维修方法

序号轴颈状态轴配色轴尺寸处理方案瓦颜色瓦厚尺寸备注A标准轴（棕/绿）54.980－54.997标准轴径54.980－54.9971测量值154.997↓54.988选配瓦（棕色）1.987－1.993标准薄瓦2测量值254.988↓54.980选配瓦（绿色）1.993－1.999标准厚瓦3磨损后测值354.979↓54.830磨轴至：缩0.25mm54.730－54.747再测量再选瓦留极限磨量0.104磨损后测值454.830↓54.748磨轴至：缩0.50mm54.482－54.495再测量再选瓦极限磨量0.10B缩0.25mm轴（棕/绿）54.730－54.747缩0.25mm轴54.730－54.7471测量值554.747↓54.739选配瓦（棕色/蓝色）2.112－2.118缩0.25薄瓦2测量值654.739↓54.730选配瓦（绿色/蓝色）2.118－2.124缩0.25厚瓦3磨损后测值754.729↓54.582磨轴至：缩0.50mm54.482－54.495再测量再选瓦留极限磨量0.104磨损后测值854.582↓54.496更换整轴再测量再选瓦超极限磨量0.10更换C缩0.50mm轴（棕/绿）54.482－54.495缩0.50mm轴54.482－54.4951测量值954.495↓54.488选配瓦（棕色/蓝色）2.237－2.243缩0.50薄瓦2测量值1054.488↓54.482选配瓦（绿色/蓝色）2.243－2.249缩0.50厚瓦3磨损后测值11≤54.481↓更换整轴再测量再选瓦超极限更换轴颈与轴瓦处理方案贵阳姚秀驰