screw plate-shaped chipping machine can cut log and small-diameter log with less than 200mm diameter and is applicable to paper pulp factory ,forest tree factory.paper mill.thermal power plant.etc.chipping machine is mainly composed of four parts such as principal machine of chipping machine is composed of cutter head,upper and lower covers.feed inlet and outlet,etc model of machine 2l x 640 2l x 1000 diametetr of cutter head 640 1000 rotary speed of cutter head 970 740 quantity(sheet)of fly cutter 6 6 lengh of wood chip ,thickness 15-35 2-3 15-35 3-7 model of feeding declination declination dimension of feeding opening 150¡á140 250¡á250 productive capacity 8-10 15-20 power of electric motor 37 75 maximum diameter of cutting wood 100 200 model of discharging up éï weight of complete machine 1192 3375 external dimension£¨length¡áwidth¡áheight£© 2002¡á1175¡á1360 2820¡á1838¡á1892