What are the factors that affect the fuel injection quality of diesel generator set injector?

一、喷雾形状不对

1、 Incorrect spray shape

1、喷油压力过大或过小

1. Injection pressure too high or too low

2、喷油嘴的喷孔和轴针磨损不均匀或喷孔处有积炭

2. Uneven wear of spray hole and axle pin of fuel injection nozzle or carbon deposit at spray hole

二、雾化不良

2、 Poor atomization

1、针阀与针阀体密封不严

1. Poor sealing between needle valve and needle valve body

2、喷孔磨损、积炭堵塞或烧坏。

2. The spray hole is worn, blocked or burned.

3、调整喷油压力的弹簧弹力减弱或折断，使喷溅压力过低

3. The spring force for adjusting the injection pressure is weakened or broken, making the splash pressure too low

4、有积炭将针阀卡住，或由于过热使针阀咬在打开的位置上而雾化不良。

4. The needle valve is stuck due to carbon deposition, or the needle valve is stuck in the open position due to overheating, resulting in poor atomization.

三、不能迅速停止喷油（滴油）的原因

3、 Reasons for failure to stop injection (dripping) quickly

1、针阀与针阀体不密封

1. Needle valve and needle valve body are not sealed

2、出油阀关闭不严或出油阀减压环磨损

2. The oil outlet valve is not closed tightly or the pressure reducing ring of the oil outlet valve is worn

3、针阀被积炭胶住或卡住在打开的位置

3. Needle valve stuck or stuck in open position due to carbon deposit

4、调整喷油压力的弹簧弹力减弱或折断，使喷油压力过低。

4. The spring force for adjusting the injection pressure is weakened or broken, making the injection pressure too low.

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