Knowledge graph construction method for intelligent design of electric arc additive process

The invention discloses a knowledge graph construction method for intelligent design of an electric arc additive process, and the method comprises the following steps: S1, designing an electric arc additive process based on process parameters contained in an electric arc additive process design file and characteristics of empirical knowledge summarized by a process designer; determining an electric arc additive knowledge hierarchical structure of a knowledge graph ontology layer of the intelligent design of the electric arc additive process, and constructing the ontology layer; s2, generating an arc additive process knowledge entity recognition corpus set; s3, constructing a word vector space of the electric arc additive; s4, constructing an electric arc additive process knowledge entity extraction model composed of multiple types of neural network models, and realizing extraction of unstructured electric arc additive process knowledge; s5, the knowledge extracted in the step S4 and the ontology layer constru