The waste cutting machine of the punch press can literally understand that it is used to cut waste. As far as I know, there are currently two types of shredders for punches.
The first type is a cutter installed on a press or mold to cut off strip (ribbon, roll) waste with a fixed length for easy cleaning.
Type II, a cutter installed on the flange trimming mold of the stretched part, used for cutting and trimming the circumference of the waste material for easy cleaning.
The two types of waste cutting machines of the punch press are set in different positions, but they have the function of removing waste.
Link to this article：What are the types of waste cutters for punches
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