从柴油机清洁度问题的提出、发展和工厂柴油机清洁度的现状,探讨了柴油机从设计、制造到使用全过程的清洁度设计方法和工艺方法,把柴油机清洁度由“质”的要求补充扩展为“质”和“量”的要求,以达到提高柴油机的质量、寿命和可靠性的目的。 From the development of diesel engine cleanliness issues and the current status of cleanliness of diesel engines in factories, the cleanliness design method and process method of the diesel engine from design, manufacture to use were discussed. The cleanliness of diesel engines was expanded from the requirement of “quality” to “Quality” and “quantity” requirements to achieve the purpose of improving the quality, life, and reliability of diesel engines.