Research On The Overall Design And Key Technologies Of Digital Workshop For Hydraulic Turbine Core Components Manufacturing

Electricity is a basic industry that affects the national economy and the people’s livelihood.Electricity supply is related to the national security strategy and the overall situation of economic and social development.Hydropower is an important part of China’s non-fossil power supply.Due to the urgent demand for national energy utilization,the scale of hydropower has increased year by year.Hydropower equipment is the foundation of hydropower generation.As a key component of hydropower equipment,hydraulic turbine has complex manufacturing process,long process route and long manufacturing cycle,which has the characteristics of typical multi-variety,small batch and single customization.It is urgent to improve product quality and shorten upgrading cycle,reduce costs and improve production efficiency by means of digitalization,informatization and intelligence.With the rapid development of the power equipment industry,it is extremely urgent to improve the intelligent manufacturing level of the hydropower equipment manufacturing industry.It is of great guiding significance to study the overall scheme design and key technologies of the digital workshop for hydraulic turbine core components manufacturing.Based on the research of digital workshops and their key technologies in different industries at home and abroad,the thesis conducts in-depth research on the overall scheme design and some key technologies of the digital workshop for hydraulic turbine core components manufacturing,and completes the development of some functional modules of the digital workshop information system.In order to support the digital workshop of hydraulic turbine core components manufacturing,digital,information and intelligent management mode is realized.Firstly,it analyzes the manufacturing characteristics of the hydraulic turbine core components,the current situation of the workshop and the digital requirements,and gives the overall scheme of the digital workshop for hydraulic turbine core components manufacturing.Focusing on the on-site monitoring and management requirements of the hydraulic turbine core components manufacturing workshop,the research focuses on the functional system of the digital workshop information system.Then,in-depth research was carried out on some key technologies of the digital workshop for the hydraulic turbine core components manufacturing.In view of the manufacturing characteristics of hydraulic turbine core components and the difficulty in optimizing the production scheduling of the workshop,firstly,the intelligent scheduling model for hydraulic turbine core components manufacturing was established,and then the intelligent scheduling algorithm based on NSGA-II was proposed.The case verifies the validity and feasibility of the model and algorithm.According to the characteristics of the material in the hydraulic turbine core components manufacturing workshop,a set of overall solution for material tracking of hydraulic turbine core component manufacturing is given,including material management process standardization,material coding rules and identification scheme,material status identification method,etc.Finally,on the basis of the above research,some functional modules of the digital workshop information system for hydraulic turbine core components manufacturing are developed to realize the functions of basic data management,intelligent scheduling and material tracking,which provide support tools for the digital workshop of hydraulic turbine core components manufacturing.