| 摘要 |
A guillotine-type cutter blade cuts sheets such as papers, metallic plates, etc. The cutter blade is provided at the back face with a flank which is inclined at an angle of 1 DEG to 7 DEG with respect to the moving direction of the cutter so as not to be in contact with the cut surface of the sheets, thereby preventing formation of a built-up edge.
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