The PARADISE PN series Sheet Metal Nibbing Machine is a rugged, sturdy and reliable multipurpose machine capable of sheet cuting & forming operations. Its verstility is best expressed by terming it the Sheet Metal Workers lathe. The working principle on which nibbling operates is hte sheet is cut or formed between the fast reciprocating motion of an upper tool (powered by an electric motor and driven by an ecentric crank) and a stationery lower tool, by progressive punching, as the sheet is fed.