... ,K30 etc It can sharpen the flat blade of plastic crushers, blade material can be,SKH51,SKD11,SKS7,SK2, ... 9CrSi,6CrW2Si,W6Mo5Cr4V2,YG8,YT15,P20,K30 etc(1)Blade sharpening machine MD600 model(2)working table size(L*W ... 700(3) maxi length of blade 650(4)length of guide 1100(5)sharpening method horizontal reciprocating motion by hand ... (L,W,H) 1600mm*800mm*1500mm knife sharpening machine of plastic crusher