working width: 2500-10,000mm
- moving distance: 60 mm(pre), 30mm(main needler)
- density of needles: 4000/meter(pre), 6000/meter(main)
- frequency: 400-500strokes/min(pre) 400-720 strokes/min(main)
- input and output roller’s power: 0.75KW&1.5KW transducer controlled(pre), 0.75KW transducer controlled (main)
- dia of the needles: ø1.83mm
chromium coated on the in and out rollers. Epoxy type board （or aluminium and magnesium alloy needle board）, computer random punching holes, lickering board, supporting board is, chromium coated, 10mm’s thickness for the stripping board and bottom needle board..worm wheel, hand operating up and down, main motor is frequency transducer controlled
