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The role of the screw

The role and efficacy of the screw is closely related to the mechanical device in which it is located. According to different use environment and function requirements, the screw can play different roles. For example, in a car engine, the screw can be used as a fastener to fix the various parts together; in a TV regulator, the screw can be used as a part of the adjustment device to adjust the color and brightness of the picture.

In short, the screw is a powerful mechanical element, which has many functions such as transmitting and converting torque, installing and fixing parts, and adjusting the working distance of the device. It is widely used in various mechanical devices and has made important contributions to the development of modern industry. Contribution.

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RELATED INFORMATION

On the completion of the relocation project of Linhai xingye precision casting co., ltd. with an annual output of 4500 tons of steel castings, environmental protection enterprises self-acceptance information disclosure

According to the "Interim Measures for the Acceptance of Environmental Protection for the Completion of Construction Projects", the information on the acceptance of environmental protection for the completion of the project is hereby publicized as follows: Basic Information of 1. Project Project Name: Linhai Xingye Precision Casting Co., Ltd. annual output of 4500 tons of steel castings relocation project Construction unit: Linhai Xingye Precision Casting Co., Ltd. Project construction site: No. 508 Zhexi Road, Datian Street, Linhai City Construction content: annual output of 4500 tons of steel castings relocation project Contact: Ms. Xu Telephone: 15958620996 Main matters 2. soliciting public opinions In order to listen to the opinions and suggestions of all walks of life on the environmental protection work of the project, the acceptance report of the project is publicized (see the annex for details) to solicit valuable ideas and suggestions from the public. The public can express their opinions and opinions on the environmental protection acceptance of the project completion by sending phone calls or interviews. The time for the public to raise or reflect relevant issues is within 20 working days (2023.6.27-2023.7.24) after the information is publicized. The public who express their opinions should indicate the date of publication, real name and contact information so as to give feedback as needed.

2023-12-15

China's forging industry ushered in a major breakthrough

Recently, China's forging industry ushered in a major breakthrough. According to the latest news, a well-known Chinese steel company has successfully developed a subversive forging technology, which has brought great changes to the industry. It is reported that this technology uses advanced materials and processes, which can simplify the original complex forging process and improve efficiency. Through this new forging technology, the traditional manufacturing industry will be greatly improved, and the quality and performance of the products will be significantly improved. This breakthrough is of great significance to China's manufacturing industry. China has always been the world's largest steel producer, and forging as an important part of steel processing, its technological improvement will directly promote the development of the entire industry and improve the competitiveness of China's manufacturing industry. Industry insiders have said that the advent of this new technology will inject new vitality into China's forging industry. At the same time, it will also promote China to play a more important role in the global manufacturing industry.

2022-07-28

Describe the role of heat treatment of castings, forgings and weldments.

1. Eliminate the stress caused by thermal expansion and contraction inside the casting, reduce the deformation after machining, reduce the surface hardness, and improve the machining conditions; 2. Improve its crystalline structure and enhance the formation and stability of spherical carbon crystallization; forgings are generally strength components, and most of their materials are high-strength medium carbon steel. 3. Forging shell to take annealing or quenching and tempering heat treatment, so that its mechanical properties are more superior, both better strength, and better elasticity; 4. Weldment materials are mostly low carbon steel with good weldability. The weld may be due to the large rigidity of the workpiece, fast cooling, and brittle tissue in the internal crystallization of the weld. Therefore, after welding or during welding, the weld itself is used to reasonably arrange the weld and heat treat the weld and the heat affected zone. 5. The heat treatment of welding parts is often preheated before welding, and slowly cooled with asbestos cloth after welding to achieve the purpose of annealing treatment. Its function is mainly to reduce the internal stress of the workpiece, improve the crystallization organization of the weld, reduce the formation of the martensite organization with brittle tendency, and prevent welding cracks.

2022-01-10

SAF Coolest v1.3.1.2 设置面板GMOSX-ZJRP-PDSQE-AVS

图片ALT信息： Xingye