Last week, the communications sector rose 5.90% over the same period the Shanghai exchange rose 4.17%, of which communications equipment rose 6.21%, communications operations rose 3.02%, plate performance stronger than the broader market. Recommended this week: aura new network, Guomai technology, five foreign science and technology, sea can reach, Huaxing venture, Rongxin shares. Focus on: Datang Telecom, ZTE Corporation, Zhenxin technology, network, science and technology, high holding, Dr. Peng, Sheng Road communications, should pass the century, Shenzhen SEDA, flames Electronics. The first global 5G conference was held, and various multi-nationals collaborated to promote 5G innovation. The first global 5G conference was held in Beijing on the same day. The conference is jointly sponsored by China's 5G Propulsion Team and the EU 5GPPP, Korea 5G Forum, Japan 5GMF and the United States 5GAmericas. It aims to guide the formation of a global 5G technology standard and promote the global 5G industry and application development. Miao Wei, minister of industry and information technology, said in his speech that 5G has promoted a major leap forward in mobile communications technologies and products and spawned new formats such as industrial internet and car networking. He suggested that the 5G innovation can be further promoted through accelerating innovation, enhancing frequency coordination, deepening practical cooperation and promoting integration and development. Cao Shumin: 5G standards need to be unified, 5G open for discussion of vertical industry applications. Cao Shumin, leader of the IMT-2020 (5G) propulsion team and dean of the China Information and Communication Research Institute, presented the research results and main points of view of the 5G's requirements, technologies, standards, spectrum, experiments and international cooperation. Cao Shumin said that the development of a unified global 5G standard has become the consensus of the industry and the promotion team will work closely with international industrial forces to carry out a unified global 5G technology standard for mobile Internet and Internet of Things applications under the ITU and 3GPP frameworks and will focus on 5G and industrial Internet, car networking and other vertical industries integrated application development; vigorously promote 5G system design, key technologies and network architecture and other aspects of technological innovation and standardization, and actively create an international 5G test platform to promote 5G technology, standards and product development; In the meantime, research and coordination of 5G low-frequency and high-frequency spectrum will be strengthened and sufficient available frequency bands for 5G development will be sought. "5G Network Architecture Design" white paper released, the system network design gradually clear. The IMT-2020 (5G) Propulsion Group released the White Paper on "5G Network Architecture Design", which analyzes in depth the aspects of system design and network design and proposes a new 5G network architecture design. White Paper pointed out that 5G network architecture design, including system design and network design two aspects. At the same time, it points out that 5G network is user-centric, modular in function and network can be arranged as the core concept. It reconstructs network control and forwarding mechanism, changes single-pipe and solidified service mode, and based on common shared infrastructure for different users and industries To provide on-demand customized network architecture. The 5G network will build a socialized information service enabling platform with fully shared resources, easy-to-arrange functions and tightly coupled services to meet the ultimate experience, efficiency and performance requirements as well as the vision of "all things connected." In addition, the White Paper highlights important innovations in 5G networks such as network slicing, mobile edge computing, on-demand network reconfiguration, user-centric wireless access and capacity opening, and gives recommendations for 5G network architecture and technology standardization. Japan 5G live network experiment next year, many efforts to promote 5G layout. Japan's government representative Yukio Nakamura said Japan's 5G live network test will start next year and will be open to businesses and universities around the world. He predicts that 2020 will be an annual milestone for 5G technology. 5G will be the key infrastructure for the future to support the future development of the Internet of Things. In order to further promote the implementation of 5G, Japan has already implemented three important measures. First, 5GMF was set up in 2014 to strengthen industry academia, government and international cooperation. Second, the Japanese government injected a budget of 20 million U.S. dollars to promote the development of 5G key technologies. Third, Japan has actively participated in the standardization activities of ITU and 3GPP. In addition, Japan has also set up a research group to discuss the latest 5G policy. The EU Commission launched the 5G guidance policy at the end to coordinate the promotion of 5G in all European countries. The European Commission, Bernard Barani, Executive Director, Network Technologies, Network Content and Technology, Communications Network Content and Technology, said the EU has been working on a 5G eco-system. Last month, the European Commission released an important plan for communications that identified five very important technologies: cloud computing, internet of things, big data, cybersecurity and 5G technology. 5G has started to combine the development of the automotive, medical, smart technology and energy industries, with an accelerating trend. Competition in the standardization is also in full swing. Bernard Barani said, "At the end of this year, the European Commission will be a member of the EU launched a coherent set of guiding policies to coordinate the 5G European countries to promote." In addition, Bernard Barani predicts 5G will be derived from different business models, different vertical industries Requirements, this will bring a very complex challenge. 5G International Cooperation Dialogue will be held. In order to promote 5G exchanges and cooperation between governments, the Ministry of Industry and Information Technology invited the representatives of the EU and Japan to hold the 5G International Cooperation Dialogue in Beijing on the occasion of the convening of the first Global 5G Conference. At the meeting, the representatives of the Chinese, European Union and Japanese governments respectively introduced their own countries and regions in the 5G support policies, research investment, technological research and development, technical experiments, foreign cooperation, progress and future cooperation to strengthen the relevant considerations. During the discussion, delegates focused on communicating and discussing the issues of promoting the formation of a unified 5G global standard, strengthening the exchange of 5G technical experiments in various countries, carrying out joint application of vertical industries, frequency coordination and planning, and other issues of common concern. ZTE completed NB-IoT system technology demonstration, 5G commercial one step closer. ZTE announced that it will join hands with China Mobile in the 5G Joint Innovation Center Laboratory of China Mobile to take the lead in completing the demonstration of technology verification strictly following the NB-IoT standard protocol. The successful demonstration of technology demonstration marks the NB-IoT system is maturing. According to industry estimates, NB-IoT will be officially commercialized in early 2017. Market research firm Machina predicts that NB-IoT will cover 25% of the Internet of Things connections in the future. NB-IOT will have plenty of room to fist in the pre-5G window period and the future low-cost, low-rate market after 5G commercialization. Some chip and module manufacturers have planned to support the technical input and full support of network equipment suppliers such as NB-IOT and ZTE more this year. Nokia 5G demo phone watch 4K video broadcast. Nokia recently announced that it will jointly demonstrate 5G network communication transmission technology with US mobile operator Sprint on June 6. Get rid of the mobile phone business Nokia, all the way in the development of wireless networks. In April of this year, Nokia pointed out that it needs to continuously increase its investment in such fields as 5G and cloud technology. Nokia said that consumers can see in this demonstration how the phone through the 5G network to watch 4K video live. It is reported that the mobile network in this test will achieve 2.3Gbps data transfer rate.
Precautions for daily maintenance of hydraulic cylinders
For Liugong Cylinder Seal Kit,For Liugong Swing Motor Seal Kit,Center Joint Seal Kit For Liugong,Center Joint Seal Kit Liugong Safe Seal Technology Co., Ltd. , https://www.sprsealkits.com
1. Regularly inspect the sealing components of the hydraulic cylinder, such as O-rings and gaskets, to ensure that they are intact and undamaged. If there is wear or aging, they should be replaced in a timely manner.
2. Regularly check the liquid level of the hydraulic cylinder and keep it within the specified range. If the liquid level is too low, add hydraulic oil in a timely manner.
3. Regularly inspect the connection parts of the hydraulic cylinder, such as oil pipes and joints, to ensure their tightness and reliability. If there is any looseness, it should be tightened in a timely manner.
4. Regularly clean the outer surface of the hydraulic cylinder to prevent dust, sand, and other debris from entering the interior of the cylinder and affecting its normal operation.
5. Regularly inspect the surface of the piston rod of the hydraulic cylinder, and promptly repair or replace it if there are scratches or wear.
6. Regularly inspect the hydraulic system of the hydraulic cylinder, and promptly handle any problems such as oil leakage or unstable pressure.
7. When the hydraulic cylinder is not in use for a long time, its hydraulic oil should be drained to avoid oil aging, deterioration, and affecting the normal operation of the hydraulic system.
8. When repairing or replacing hydraulic cylinders, attention should be paid to safety to avoid sudden movement or pressure release of the hydraulic cylinder, which may cause personal injury or equipment damage.