US Cooper Tire & Rubber Company announced that it plans to spend USD 35.5 million to build a Global Technology Center (GTC) in the United States for the development of new tire technology.
The new technology center will be located in Findlay, Ohio, adjacent to the local North America Technology Center (NATC). The new center is expected to be fully operational by the end of this year.
Chuck Yurkovich, vice president of global R&D for Cooper Tire, said the new global technology center will help the company and its global subsidiaries maintain their leading position in the tire industry.
The new technology center will eventually recruit 40 scientists and engineers. The latest technology developed by the center will be provided to Cooper's technical centers in various regions of the world for the final stage of product development and industrialization.
Just on the 13th of this month, Cooper Tire's new building of the Asia Pacific Technology Center in Kunshan, Jiangsu Province, has just been launched. The center will support Cooper's business in the Asia Pacific and global markets.
The principle of metal spinning process is to cover the processed metal blank (tube blank) on the mandrel, while the blank is pressed at the end of the mandrel by the tail, and rotates with the mandrel along the spindle, and the rotary wheel moves along the mandrel.
Generally speaking, light automatic spinning machines have structural advantages similar to ordinary lathes. However, in order to meet the requirements of the above spinning process, large spinning machines usually have the following 11 core advantages.
1. The automatic spinning machine bed, main shaft, and transmission system, rotating wheel frame, tailstock and other parts should have sufficient rigidity, and also have a heavier worktable, a thicker guide rail, and a thick wall bearing support And cabinets.
2. The horizontal and longitudinal feed mechanisms of the rotary frame are mostly driven by hydraulic transmission or a combination of mechanical and hydraulic pressure to generate sufficient spinning pressure and balance step-less speed regulation to meet process requirements.
3. Ordinary automatic spinning machines usually use one rotary wheel, but there are multiple auxiliary forming wheels (flanging wheel, curling wheel, etc.). The number of rotating wheels or rotating frame of the powerful automatic spinning machine is 2 to 3 (the general type is 2, and the cylindrical part spinning machine is mostly 2 to 3), and is symmetrical to the spindle axis. Balancing the radial force during spinning, reducing the bending deflection, deflection, and vibration of the spindle and core mold provides a prerequisite for improving the accuracy of spinning parts. This correspondingly requires the rotary wheel to have a higher horizontal (such as a special spinning machine for cylindrical parts) or a longitudinal (such as a general-purpose automatic spinning machine) synchronous feed accuracy. However, a rotary wheel is used for the light and powerful automatic spinning machine.
4. The main shaft has sufficient transmission torque and power. According to the specific process requirements, it can meet the constant torque or constant power adjustment. In addition, it is best to make the spindle speed and the longitudinal feed speed of the rotary wheel steplessly adjustable. On the one hand, it can meet the arbitrary selection requirements of the spinning process; on the other hand, it can maintain the surface rotation speed of the core mold during the spinning process. Possibility of constant feed per revolution.
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Jiangsu Hoston Machine Tools Co., Ltd. , https://www.hosdunmachinetools.com