柴油机排气阀弹簧是柴油机的重要零部件之一,它的折断会导致连杆折断,曲轴擦伤,直至机体破损,给工厂和国家带来了很大损失,所以说排气阀弹簧的寿命直接关系到柴油机的使用寿命。我厂东方红3型内燃 Diesel exhaust valve spring is one of the important parts of diesel engine, its broken will lead to broken connecting rod, crankshaft scratches until the body is damaged, to the factory and the country had a great loss, so that exhaust valve spring life Directly related to the service life of diesel engines. I plant Dongfanghong 3 type of internal combustion