| 摘要 |
[Summary] The present invention relates to a portable pipe outer diameter-chamfering apparatus with improved weldability characterized in that a vertical fixing plate is fixed to the outside of the vertical plate, a horizontal fixing plate is fixed in an orthogonal direction to the tip of the vertical fixing plate, a shaped link is coupled to move upward and downward along the vertical fixing plate, a circumscribing roller which is in close contact with an outside of a pipe are installed on the tip of the shaped link on either side, the shaped link moves up and down along the vertical fixing plate by a circumscribing roller adjustment screw installed on the horizontal fixing plate, a moving body is installed in the horizontal fixing plate, the moving body moves up and down by an inscribing roller adjustment screw installed on the horizontal fixing plate, and an inscribing roller which is in close contact with an inside of the pipe and a pressing force of which is adjusted by a spring is installed on the moving body. |
