| 摘要 |
This invention envolves a columnar material cutting machine which has a stationary cutter fastened into a base and having an inner opening substantially equal to the outer profile of a material to be cut, a movable cutter contacted at one end therewith with one end of the stationary cutter and having an inner opening substantially equal to the shape as the stationary cutter, and drive means for moving the movable cutter in a circular motion without rotating the movable cutter. Thus, the machine can cut a solid columnar metal or a metal pipe with a smooth cutting surface without cutting chips.
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