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

一、噴霧形狀不對(duì)

1、 Incorrect spray shape

1、噴油壓力過(guò)大或過(guò)小

1. Injection pressure too high or too low

2、噴油嘴的噴孔和軸針磨損不均勻或噴孔處有積炭

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

二、霧化不良

2、 Poor atomization

1、針閥與針閥體密封不嚴(yán)

1. Poor sealing between needle valve and needle valve body

2、噴孔磨損、積炭堵塞或燒壞。

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

3、調(diào)整噴油壓力的彈簧彈力減弱或折斷，使噴濺壓力過(guò)低

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

4、有積炭將針閥卡住，或由于過(guò)熱使針閥咬在打開(kāi)的位置上而霧化不良。

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、不能迅速停止噴油（滴油）的原因

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

1、針閥與針閥體不密封

1. Needle valve and needle valve body are not sealed

2、出油閥關(guān)閉不嚴(yán)或出油閥減壓環(huán)磨損

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

3、針閥被積炭膠住或卡住在打開(kāi)的位置

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

4、調(diào)整噴油壓力的彈簧彈力減弱或折斷，使噴油壓力過(guò)低。

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

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