| 摘要 |
PURPOSE: A descaling device for a pipe manufacturing apparatus is provided to facilitate coating of synthetic resin on the outer surface of a pipe by scratching the outer surface of the pipe. CONSTITUTION: A descaling device for a pipe manufacturing apparatus comprises a first roller(11), a second roller(13), a grinding belt(30) installed as an endless track between the first and second rollers, a support roller(15) installed on the other side of a metal plate(5) to support the underside of the first roller, a drive gear(17), a driven gear(19) installed on one side of the first roller and engaged with the drive gear, and a drive motor(20) connected to the drive gear. |
