The Spinning Speed Influence on the Counter-Roller Spinning Process

The counter-roller spinning process is a powerful method for manufacturing large sheaves. Spinning speed significantly influences the counter-roller spinning process, such as the forming force and the equipment power. The spinning speed influence was studied by experiment and numerical simulation. The anisotropy elastic-plastic material model was utilized. Different roller feed speeds and tube rotation speeds were studied. The sheave grooves were well-formed. According to the small value of the axial velocity and radial velocity, the equivalent velocity of the whole tube was approximately equal to the circular velocity. The tube blank rotation speed has less influenced the counter-roller spinning process than the roller feed speed (feed ratio). The spinning force increased with the increase of the feed ratio. Finally, a set of formulas was established between the feed ratio and spinning force.