3. The cold rolling riveting head is simply turned over in the bolt without dragging. The roughness of the formed bolt only depends on the rivet head. The roughness of the rivet head is very easy to ensure for the super long aluminum iron rivet. Therefore, the surface of the cold rolling riveting bolt is bright and beautiful, which can not be compared with other riveting methods. 4. There is no noise (less than 70dB) and no vibration when cold rolling riveting method is used. However, the noise of traditional hammering and stamping die riveting method is more than 90 dB. 5. The cold rolling riveting machine is easy to operate and safe. The high-speed punch riveting often leads to serious accidents such as washing away fingers, and injuries caused by human hammer riveting often occur, and the relative safety of rolling riveting is relatively safe. Although the spindle bearing has rotation, it has a workable safety shield, and the rivet head and the surface of the product workpiece are small. 6. When using the cold rolling riveting machine, because the bolt raw material has a particularly good deformation characteristics, the hippocampal rivet is not easy to have product quality problems and has a long service life. In addition, if the appearance of the rivet head is changed, a variety of shapes can be riveted.

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