| 摘要 |
PURPOSE:To perform cutting without deforming the metal board by fitting the projected portion on the outercircumference of rotary cutter in the gap of fixed cutter. CONSTITUTION:The frame 5 has upper and lower sections coupled through narrow section (not shown) where a rotary cutter 1 comprised of a cutter portion (a) more convex than the roller section (b) is supported rotatably. While a roller 4 having recessed central portion is supported on the lower frame 5. The fixed cutter 3 is provided with a gap (d) and arranged at the upper and lower portions of frame 5. The board 2 is cut between the rotary cutter 1 on the fixed cutter 3 and the roller 4 without being deformed through rotation of rotary cutter 1. |
