| Green manufacturing is one of the five major projects in ?Made-in-China 2025?,which aims at ensuring product quality ? considering environmental impact and improving resource efficiency.China is the world's largest machine tool ownership country.When the machine tool is processing,it consumes a large number of lubricants,causes a serious burden on the environment and affects the sustainable development of the national economy.Therefore,it is urgent to improve the cooling and lubrication methods of machine tools.Minimum quantity lubrication(MQL)only needs a very small amount of lubricating oil to meet the needs of cooling and the lubrication of machine tools.It is green?efficient and environmentally friendly.However,with the intelligent degree of domestic MQL equipment low,it is impossible to match the parameters of MQL system with the process parameters,which restricts the development of domestic MQL technology.In view of this,this paper defines the parameters of MQL system,designs a digital MQL device,and uses this device to carry out milling applications.Firstly,because the low intelligence of MQL devices in China,this paper calculates the convective heat transfer rate of MQL fluid,and defines the parameters of MQL system.The digital MQL device is designed and developed to lay a foundation for the experimental research and Milling Application.Then,we select the representative parameters and use digital MQL device for cooling experiment design and orthogonal experiment design.The experiment validates the performance of digital MQL device.Through the cooling performance experiment,the function of each parameter and the best combination of parameters are obtained.Finally,the application of digital MQL technology is carried out.By comparing the traditional MQL system parameters with the improved system parameters,the picture of the milling cutter is obtained.The validity of digital MQL device and optimal parameter combination is proved by milling application. |
PDF Full Text Request