Advances in Cutting Fluid Supply, Purification and Recycling Technology
Cutting fluid is a cooling and lubricating liquid used when cutting or grinding metal. It is an essential part of the machining process and has a great influence on the machining results. The cutting fluid used in machining is divided into two categories, one is an aqueous solution and the other is an oily solution. Cutting fluids are used to reduce heat generated by the cutting edge friction and chip formation, to lubricate cutting edges, and to help remove chips, thereby improving machinability. In addition, cutting fluids also have the role of rust protection, rust removal, and bacteria inhibition, and can improve the surface finish of the machined parts and prevent smoking.
The cutting fluid used in the machining process has a great influence on the processing quality, productivity and cost. The application of advanced technologies in cutting fluid supply and recycling has been a hot spot in recent metal cutting research, and has made great progress in a series of related research fields.
1. Centrifugal Separator
Centrifugal separators are widely used in cutting fluid recycling. In the machining process, the waste cutting fluid needs to be injected into the cutting liquid separator, so that a certain centrifugal force is generated under the action of the rotating impeller spindle, and various solid particles in the machining fluid (such as metal shavings, chips, etc.) are separated from the cutting fluid, and discharge from the top outlet. The cutting fluid without particles is filtered from the bottom outlet of the separator, and is reused in the cutting system. The use of centrifugal separators ensures that the cutting fluid is clean and feasible for reuse.
2. Filtration System
Filtration technology is another common method for cutting fluid reuse and purification. In recent years, many advanced filtration systems have been developed to ensure that the cutting fluid is clean enough for reuse. For example, centrifugal filtration systems are widely used in filtering systems. They use rotating drums to centrifuge waste cutting fluid, trapping particles and allowing clean liquid to pass through the filter. In addition, ultrafiltration technology is also increasingly used in filtration systems, which can effectively separate solid particles and improve the quality of the cutting fluid.
3. Optimal Control of Cutting Fluid Supplies
Optimal control of cutting fluid supplies is also an important part of the application of advanced cutting fluid technology. In the machining process, the amount of cutting fluid required is usually determined by traditional experiential methods. This leads to problems such as oversupply and waste, resulting in the waste of resources and causing economic losses. In recent years, the research on cutting fluid supply optimization control has made great progress, and a series of optimization control systems have been developed to optimize the supply of cutting fluid, improve the machining efficiency, and reduce the cutting fluid usage rate and costs. For example, the volume of cutting fluid sprayed using a multi-stage nozzle can be adjusted according to the machining parameters, and the cutting fluid distribution can be realized by controlling the pressure of the cutting fluid flow.
In conclusion, the application of advanced cutting fluid technology has made great progress in recent years. Although there is still room for development, the use of cutting fluid recycling and purification technology has become increasingly popular in the field of metal processing. With the deepening of research, more and more advanced technologies are expected to be introduced to improve the machining efficiency, processing quality and reduce waste.
