| 摘要 |
<p>Disclosed herein is a method and apparatus for forming a tapered steel pipe, which has a constant inclination in a longitudinal direction thereof and is usable as a post of a street light or electric pole, by simply pulling an existing cylindrical or square steel pipe(10), having the same diameters at both ends thereof, into an angled or circular pipe having a desired shape by means of a traction device (50) while passing the steep pipe(10) through a pipe forming unit(40), instead of using a conventional method of successively bending steel plates. The present invention enables the tapered steel pipe to be more easily and simply manufactured through an automated system, resulting in considerable improvement in productivity and workability, and securing worker safety.</p> |
