forming a texture changes

Blades used materials are aluminum plate as a whole or slice punched from the system, having a thickness of about 1.2 ~ 1.5mm, riveted sleeve after weighing grouping. Aluminum alloy blades do because of its mechanical strength and rigidity are good, stable operating performance. Riveting: the separation of metal with local heating or pressurization means, with the combined effect of diffusion inside the metal atom securely connected together to form a permanent joint. Riveting features: riveting process has a strong and modern industrial sense. Riveted rivet head rhythmically aligned, forming a texture changes