| 摘要 |
PROBLEM TO BE SOLVED: To improve work efficiency of a system and to classify a product plate material. SOLUTION: A system is provided with a plate material working machine 101 to pierce a hole in the state in which a product plate material M is connected to a plate base material W with a micro-joint J. Beside the plate material working machine 101, a dedicated product plate material separating machine 102, which cuts the micro-joint and separates the product plate material M from the plate base material W, is arranged. An classification unloader 104, which carries out the separated product plate M from the product plate material sorting machine 102 and stacks it on a placing part E in the classified state, is arranged.
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