1、 Servo systemA servo system refers to an automatic control system that utilizes the action of a component (such as a control rod) to reach or approach a predetermined state, and can compare the desired state (desired value) with the actual state, adjusting the control components according to their differences (sometimes the rate of change of this...
2024-02-1817410Researchers at the University of Alto have adopted a new approach to create a metamaterial that exceeds the technological scope that has emerged so far. Unlike natural materials, metamaterials and metasurfaces can be customized to have specific electromagnetic properties, which means scientists can create materials with the characteristics required...
2024-02-1711810The Dark Knights of Gotham City possess a series of impressive technological wonders, but the superhero scientists at the National Renewable Energy Laboratory of the US Department of Energy possess their own cutting-edge capabilities.A recent battery manufacturing project, affectionately known as Batman, has developed a novel laser patterned chem...
2024-02-1714210When William Frieden Dempton, a PhD candidate in mechanical engineering, planned to carefully study how laser powder bed melting process parameters affect microstructure, he never imagined discovering manufacturing defects that had previously been overlooked in PBF-LB additive manufacturing.Shrinkage porosity is a common defect in metal castings,...
2024-02-1514010Pixel Voltaic, a subsidiary of the University of Porto, has launched a laser system for sealing glass and fiberglass perovskite photovoltaic modules, with a maximum size of 30 cm x 30 cm. The company's technology roadmap is to increase production capacity to accommodate larger equipment areas of up to 1 square meter and modify processes to operate ...
2024-02-1418111Programmable photonic integrated circuits process light waves used for computation, sensing, and signal transmission in a programmable manner to meet different requirements. Researchers from the Gyeongsangbuk Institute of Science and Technology in Daegu, South Korea, and collaborators from the Korean Academy of Science and Technology have made sign...
2024-02-1218510Laser Research Optics has launched a series of ZnSe laser focusing lenses for steel cutting lasers up to 4kW, used for cutting thick diamond slabs and other heavy steel products.Laser Research CO2 focusing lenses have an outer diameter size of 1 "to 2.5" and a focal length of 5 "to 10" with increments of 0.5 "to meet specific steel cutting requir...
2024-02-1214511China is striving to develop laser communication technology, which is a key component of space-based information networks.In a recent development, the country has launched its first bidirectional laser communication terminal into space for technological demonstration.The experimental terminal was developed by HiStarlink, a private laser co...
2024-02-1115611Researchers at Tokyo Metropolitan University have proposed a new method of rolling atomic thin sheets into "nanoreels". Their unique method uses transition metal chalcogenide sheets with different compositions on both sides to achieve tight rolling, with a center diameter as small as 5 nanometers and a length as small as micrometers. The control of...
2024-02-1112510A reducer is a mechanical device used to reduce the output speed of a high-speed rotating motor or engine while increasing torque. It is widely used in various industrial transmission systems, such as machine tools, power, metallurgy, chemicals, textiles, printing and dyeing, food, medicine, automobiles, aerospace, etc.The reducer itself cannot g...
2024-02-0313810Siemens has innovatively upgraded its highly favored SINAMICS S210 servo drive system, further expanding its application range by adopting a new hardware architecture and next-generation V6 software.This servo drive system is suitable for high dynamic applications with a power range of 50W to 7kW, and can better support industry applications such...
2024-02-0314610Who has DVPHE3PLC? How to read data from the upper computer using 232? What data needs to be noted
2024-02-0314910RDC6442, the software version before V8.0.06, draws a diagram and downloads it to the motherboard, but "file incompatibility" will appear when the panel is processed. It is OK to download it again, I don't know why?
2022-11-1439384Deep Space Station 13, located at NASA's Goldstone Deep Space Communication Center near Basto, California, is part of the agency's deep space network. It is a 34 meter experimental antenna that has been modified with an optical terminal (a square instrument located below the center of the antenna dish).Since November 2023, DSS-13 has been t...
2024-02-1512600
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