This trend is more evident in the automotive industry. Hou Ruoming, head of the Planning Department of China FAW Group, stated that the best and most advanced automobile manufacturing processes and equipment in the world are all in China, but none of them are made in China. Domestic machine tools not only do not have the ability to provide complete line equipment, but also a single machine tool cannot provide corresponding process solutions. For example, Zhengtian Automobile Brake Co., Ltd., located in Wenling, Zhejiang Province, owns hundreds of DMG machines, and the processing technology of its components. All of them are provided by DMG and a few domestic CNC machine tools can only be used for rough machining of certain parts, showing a clear gap.
In addition to the automotive industry, in the manufacturing fields of aerospace, energy and power, domestic machine tools lacking process capability are also difficult to establish in the core manufacturing process. Domestic machine tool companies cannot provide process solutions for difficult-to-machine materials, and thus cannot meet the needs of enterprises. . Therefore, the domestic machine tool companies must strengthen their input in researching the changes in user process requirements, be proactive in familiarizing users with the manufacturing processes of various parts and components, and deeply understand the requirements of users for the purchase of machine tools, and develop targeted new technologies for users. The equipment will further enhance the market competitiveness of domestic machine tools by improving the ability to provide users with solutions.
The thread of most Screws has a certain direction and can be turned clockwise to lock the screw. This screw is called a right hand screw.Left-turn screws, as opposed to the above screws, are used only in certain situations. For example, in some applications, the screws are subjected to counterclockwise torque, and the torque applied to the right-turn screws may cause the screws to loosen. In this case, the left-turn screws are used, such as the left-hand pedal of a bicycle.However, the wheels on the left and right sides of the car are tightened by the right screw, and there is no data to show that the wheel loosening is directly related to the screw grain
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