Nowadays, both smart phones and new energy vehicles require batteries with higher performance. The National Institute of Materials Science (NIMS) recently announced that it has developed a new lithium battery with a very high energy density. NIMS refers to this new type of lithium battery as a "lithium air battery", whose energy density per unit volume is almost close to the limit, and the cost can be well controlled. According to NIMS, “Lithium Air Battery†uses carbon nanotubes as the air electrode material. Through the optimization of the electrode structure, high energy density can be achieved, which is 15 times that of ordinary lithium batteries. NIMS said that the current "lithium air battery" is only a test product, and will continue to optimize the design in the future to further increase the energy density. Battery life is one of the most important metrics. It is claimed to be the world's first solar-powered mobile phone battery . The battery, called Hybbi, consists mainly of lithium batteries and solar modules. By directly replacing the original battery of the mobile phone, this charging method has extremely low energy loss and twice the efficiency of other solar charging products. The Hybbi solar panel is covered with gorilla glass and is laser cut to a thickness of less than 1 mm. In the case of direct sunlight, the charging speed can reach 20% of the electricity per hour. New technologies are also being applied to the development of battery materials. Toyota Motor Corporation has announced that it will invest 35 million US dollars in research and development of new energy battery materials in the next four years. In Toyota's view, artificial intelligence will be a key way to find new materials for the future of new energy. As a new means, artificial intelligence-based computational models have recently been applied to the study of materials science. Finding new materials can take decades, but by merging artificial intelligence into the computing model, Toyota hopes to speed up the process. Inspired by the structure of the tree, engineers at the University of Maryland in the United States remodeled the wood as a special structure for the negative electrode of lithium metal batteries to avoid battery failure caused by certain key factors. They proposed a new design to store lithium ions in batteries in natural channels for transporting water and nutrients in wood. The battery that comes out of this is very safe and can be quickly charged and discharged. Some people say that the key to new energy technologies is batteries. Indeed, whether it is new energy vehicles or mobile phones and other electronic products, and even emerging drones, batteries are one of the most important factors limiting product performance. In order to achieve breakthroughs in the field of batteries, both the battery as a whole and the various components of the battery are the focus of research and development by researchers, and new technologies and new materials are continuously applied. The International Battery Symposium recently awarded Tesla the "2017 Battery Innovator Award" to recognize Tesla's successful implementation of cutting-edge battery technology. The application of new materials and the introduction of intelligent energy storage solutions can improve battery efficiency and improve product performance on the one hand, and save energy and protect the ecological environment on the other hand.
Industrial robot bearings mainly include thin-walled bearings, cross cylindrical roller bearings, harmonic reducer bearings and joint bearings, but mainly cross roller bearings. Structural features of cross roller bearings in welded robot joints: cylindrical rollers are perpendicular to each other in the inner and outer raceway of the bearing, and a single bearing can bear the common load of radial force, bidirectional axial force and overturning moment simultaneously. The bearing has large bearing capacity, good rigidity, high rotation accuracy, easy installation, saving space, reducing weight, significantly reducing friction and providing good rotation accuracy. It is possible to make the mainframe light and miniaturized.
With the rapid development of China's industrialization, industrial robots are becoming more and more popular in industrial applications. The main part of the industrial robot, bearing, is being paid more and more attention.
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The main structure is as follows: the whole type, the outer ring separation type and the inner ring separation type. In order to prevent pollution and leakage, sealing rings are installed on both sides of the bearing. Because of its unique lightweight structure and good performance, cross roller bearings can simplify design and save space, and are widely applied in robot joints and rotary units, precision turntables, aerospace and other fields. In order to make serial production of industrial robots cross rolling bearings, the technical standard of cross roller bearings is formulated, which has the leading technical advantage in line with international standards.
Cross roller bearings are two row cylindrical rollers on 90 degree V raceway, which are vertically arranged across each other through nylon isolation blocks. Therefore, cross roller bearings can withstand multiple loads such as radial load, axial load and torque load.
The bearing has unique structure, good performance, simplified design and save installation space. It has been widely applied in welding robot joint and rotary unit, precision turntable and other fields.
