1. What is a green eco-machine tool? The machine not only consumes energy during use, but also produces solid, liquid and gaseous waste, which directly or indirectly pollutes the working environment and the natural environment. From the perspective of the entire life cycle of the machine tool, how to reduce the impact on the environment of green eco-machine tools has become a hot topic of current research. Green eco machine tools should have the following characteristics: 1) The main parts of the machine tool are made of recycled materials. 2) The weight and volume of the machine tool are reduced by more than 50%. 3) Reduce power consumption by 30-40% by reducing the mass of the mobile and reducing the power of the idle operation. 4) Reduce the waste of the process by 50-60% to ensure a basically non-polluting working environment. 5) After scrapping, the material of the machine tool can be recycled 100%. 1.1 Weight loss and energy saving According to statistics, the power used to cut metal during the use of machine tools accounts for only about 25%, and various losses account for most of them. The first measure of a green eco-machine tool is to build an eco-efficient machine by significantly reducing the weight of the machine and reducing the power required. Green Eco-Machine proposes a new concept: significantly reducing the weight of the machine tool, saving materials; while reducing the energy consumption of the machine tool. The traditional machine tool design philosophy is "only enough stiffness to ensure machining accuracy, increase the rigidity must increase the weight of the machine." Therefore, 80% of the weight of existing machines is used to “guarantee†the rigidity of the machine, while only 20% is used to meet the kinematics of the machine. Therefore, there is a lot of room for machine structure optimization. The way to achieve this goal is through the adoption of new structures and new materials. 1.2 MQL emission reduction Lubricating coolants during machine tool use are harmful emissions, especially when used in grinding, which is very harmful to the environment and workers' health. Therefore, drastically reducing the use and discharge of coolant is a fundamental feature of green eco-machine tools. There are two ways to achieve this goal: 1) Dry cutting without using coolant. The machine needs to have enough rigidity and sharp tools to be used only for machining some simple milling and turning operations. 2) Minimal lubrication (MQL). MQL has a wide range of applications and can be used in a variety of processing methods, but requires specialized equipment to provide aerosol or low temperature air (cold air), as well as specialized lubricants. 1.3 tool efficiency The productivity of the machine tool goes up to the tip of the tool. Using advanced tools, selecting reasonable tool geometry and cutting parameters can greatly improve the efficiency of cutting, reduce the power required for the cutting process, and extend the life of the tool, thus achieving greater output with less resource consumption. the goal of. 1.4 Value-added reuse Metal cutting chips are the main solid waste in the use of machine tools. The traditional method is to sell it as waste to the waste recycling unit and into the social waste recycling cycle. Jiangsu Yangli Group will process thousands of tons of iron filings and steel scraps per year in the enterprise by sorting, briquetting, compounding and melting high-quality ductile iron castings, turning waste into treasure and making crankshafts such as presses. And other key parts. 2. Smart processing system If the vision of a green eco-machine tool is environmentally friendly, then the goal of a smart machine tool is user-friendliness. The meaning of “user friendly†is to greatly improve work efficiency and work more comfortable and safe. This requires the machine tool to manage itself, automatically identify the processing tasks and processing status, with little or no manual intervention, and can communicate with the operator in a timely manner, become "smart" and open up a new era of CNC machine tools. Machine tools inevitably produce various errors during the machining process, and modern monitoring and compensation techniques are needed to further improve the performance and communication capabilities of the machine. In 2005, the National Institute of Standards and Technology proposed a research program for the Smart Machining System. The five goals of a smart processing system are: 1) System dynamic optimization. The relevant process and equipment knowledge are integrated to model and optimize the dynamic performance of the system. 2) Device characterization. Develop characterization methods, models and standards, and measure and communicate machine performance under operating conditions. 3) Adopt the next generation CNC system. Interfaces and data formats compatible with STEP-NC enable seamless operation of CAD-based machine controls. 4) Condition monitoring and reliability, development of measurement, sensing and analysis methods. 5) A method of directly measuring tool wear and workpiece accuracy during machining. The essence of smart processing systems is the intelligence and networking of manufacturing systems. Led Floodlight,Led Flood Lamp,Ip66 Led Flood Light,Outdoor Led Flood Lights Guangdong Smart Street Lighting Co., Ltd , https://www.fldlight.com
Introduction to knowledge about green eco-machine tools