Tire forming machine

The rubber machine is used to laminate various components such as rubber curtains, wire loops, and treads into a green tire. According to the purpose, it can be divided into two categories: ordinary tire forming machine and radial tire forming machine. Each layer of the cord of the ordinary tire body cord is obliquely angled at an angle. When forming, the cord cylinder is first placed on the forming drum, then the steel wire ring is placed on both sides, and the cushion layer and the tread rubber are covered in the middle, and the formed tire is formed. The blank becomes a cylindrical shape. The main difference between the radial tire and the ordinary tire is that the buffer layer cord is 90° to 75° (nearly orthogonal) to the axis of the carcass, so the diameter of the buffer layer after molding cannot be changed greatly, so the carcass is made. After that, it needs to be expanded to a shape that is approximately shaped and then a buffer layer is attached. Therefore, the structure of the radial tire building machine is also different from that of a conventional tire building machine.

The whole process of forming a radial tire by a molding machine is called a one-shot molding method. The carcass is made with a modified ordinary tire building machine and then molded on a radial tire forming machine, which is called a two-stage forming method.

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