| 摘要 |
A machine for beveling or otherwise finishing the end face of a pipe. The machine includes a supporting assembly positionable within the pipe for securely fastening the machine to the pipe in response to the application of rotary driving power to the machine. The machine further includes a planetary gear train for revolving a cutting tool about an axis coaxial with the axis of the pipe, and a tool driving gear train responsive to the planetary gear train for providing radial advance of the cutting tool along the end face of the pipe simultaneously with the revolution of the cutting tool by the machine.
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