| 摘要 |
PURPOSE: An aluminum alloy pipe, a manufacturing method thereof, and a drawing device are provided to minimize aluminum consumption and electricity consumption and to reduce costs and stating time. CONSTITUTION: An aluminum alloy pipe(1) is used for a fixing roller or a driving roller. The aluminum alloy pipe is formed into a cylindrical shape and one or more spiral reinforcing bars(2) inwardly projected are arranged in an inner wall of the aluminum alloy pipe. The spiral angle of the spiral reinforcing bars is 0-45°. |
