| 摘要 |
PURPOSE: A device for preventing the fitting of a saw blade used for cutting a pipe or a rod is provided to reduce frictional resistance to a circular saw blade since a cut pipe does not shrink. CONSTITUTION: A cutting device cuts a circular pipe or rod with a cutter unit with a saw blade The cutting device comprises a fitting prevention device(100). The fitting prevention device is installed behind a cutting direction of a saw blade. The fitting prevention device is inserted into the cut groove of a base cut by the saw blade to prevent fitting. The rotary disc(130) of the fitting prevention device is coupled to one end of a rod(120) by a hinge(135). The rod is protruded or inserted to the outside of the cylinder(110) of the fitting prevention device.
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