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ＱＴ９００－２曲轴的生产南昌柴油机厂（南昌３３０００２）刘佑平曲轴是发动机的重要零件，其重量为整机的１０％，成本为整机的１０％～２０％。据统计，国内中小功率柴油机曲轴８０％以上采用球墨铸铁制造。１．普通孕育方法生产曲轴由于曲轴的损坏形式主要是疲劳断裂...
QT900-2 crankshaft production Nanchang Diesel Engine Factory (Nanchang 330002) Liu Youping crankshaft is an important part of the engine, the weight of 10% of the machine, the cost of the machine 10% to 20%. According to statistics, more than 80% of domestic small and medium power diesel crankshafts are made of ductile iron. 1. Common birth method of production of crankshaft due to the damage form of the crankshaft is mainly fatigue fracture ...