At present, Jinan has become an important domestic laser industry cluster. At this expo, local laser companies such as Bond, Leiming, Kingway, Ruijie, etc. from Jinan made a concentrated appearance and exhibited the latest laser equipment technology on site Among them, Bond Laser 15000W S4020 series closed exchange platform high-power laser cutting machine attracted many audiences to stop and watch.
At the same time, the "Sino-foreign Agricultural Machinery Trade and Cooperation Forum" and the "Belt and Road" International Buyer-Agricultural Machinery Equipment Procurement Matchmaking Conference were held, which not only provided a good communication platform for manufacturing enterprises in our province to go out, but also The conversion of old and new kinetic energy in manufacturing enterprises will play an important role in boosting.
In order to welcome the "Third National Industrial Robot Contest" to be held in Jinan, during the Expo, the "Welcome Contest, Promote Innovation, 2019 Intelligent Robot Industry Development Summit Forum" was also held. Experts and scholars from the National Manufacturing Development Center of the Chinese Academy of Engineering, the China Machinery Industry Federation and the Chinese Academy of Mechanical Sciences, Harbin Institute of Technology, Shandong University, and other relevant institutions such as China National Heavy Duty Truck, Inspur Group and other related units attended the meeting to discuss the robot development strategy on the spot , The application and development of robots in various fields, the development and application of industrial Internet, 5G communication, and the application of big data in industry were analyzed and discussed.
It is understood that this summit is based on the theme of "Building a Smart Enterprise Brain Relying on Industrial Internet", aiming to promote the close integration of the Internet industry and manufacturing, and promote the conversion of old and new kinetic energy.
This expo invited 128 international buyers from 15 countries including Russia, Kazakhstan, India, Iran, and Japan to visit and negotiate, hoping to help local agricultural machinery manufacturing enterprises to "go out" and convert old and new kinetic energy.
The theme of this expo is "Intelligently Creating New Kinetic Energy, Opening Up to Internationalization". Seven major "NC Machine Tools , Laser Sheet Metal Processing Equipment, Industrial Robots, Industrial Automation, Power Transmission and Control Technology, Welding and Cutting Equipment, Agricultural Machinery" Special exhibition area. In the industrial robot exhibition area, you can see robots from various fields such as industrial welding, logistics shuttle, teaching, laser, electric power communication and so on representing enterprises.
Nitrile rubber (NBR) o-rings, also known as Buna N, are one of the most commonly used sealing elastomers due to resistance to petroleum-based fuels and lubricants and its relatively low price. Nitrile elastomers are copolymers of acrylonitrile and butadiene. There are a number of common variations of nitrile compounds.
Acrylonitrile Content
The acrylonitrile (ACN) content of the polymer chains can vary from 18% to 50%. Lower ACN content gives better low-temperature properties but inferior resistance to fuels and polar lubricants. Higher ACN content gives lesser quality low-temperature properties but improved fuels and polar lubricants resistance. Standard NBRs typically have 34% ACN content.
Standard Nitrile o-rings are usually sulfur-cured. Sulfur-cured compounds offer better low-temperature properties but are more prone to hardening with high temperatures. Peroxide-cured nitrile o-rings have better heat resistance and lower compression sets but are more expensive and more difficult to process.
Buna O-rings, Nitrile O-rings, NBR O-rings offer excellent sealing and mechanical properties at low cost. Buna Nitrile O-rings have resistance to common lubricants and are recommended for crude oil, gasoline, propane, petroleum oils and water. Nitrile Buna O-rings are used in engines, gearboxes, aircraft pumps, and water applications.
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