在中国机床工业从机床制造业大国向机床制造业强国迈进的时刻,有必要将清洁度扩展到全生命周期之中,应该认识到机床清洁度是机床的固有属性。讨论了清洁度的概念、分级及检验,获得了清洁度的两个不同阶段的相应方法:清洗和防护。还讨论了机床清洗几个重要概念及防尘密封在机床设计中的重要性。 As China’s machine tool industry moves from a major machine tool manufacturing country to a machine tool manufacturing powerhouse, it is necessary to extend cleanliness into its entire life cycle. It should be recognized that machine cleanliness is an intrinsic property of machine tools. Discussed the concept of cleanliness, grading and testing, access to the cleanliness of the two different stages of the corresponding methods: cleaning and protection. Also discussed several important concepts of machine tool cleaning and dust seal in the machine design importance.