... ,P20,K30 etc It can sharpen the flat blade of plastic crushers, blade material can be,SKH51,SKD11,SKS7,SK2,Cr12Mov ... reciprocating motion by hand(6)feeding method vertical feed by threaded lifting rod(7)Motor power and type Y100L-2,AC ... (L,W,H) 1600mm*800mm*1500mm knife sharpening machine of plastic crusher