food extruder expanded food machine adopts advanced extrusion technology and can use ice,corn,wheat,oat as raw material to produce all kinds of snack food whith crisp taste and lively shape. main features: 1.Feeding,main driving device,and rotary cutting device adopt inverter to adjust the speed with more powerful drive,stable running and low consumption. 2.Screw is made of steel whith long life.Segmental assembled screws are applied to more kinds of marerials and products. 3.Auto lubrication system can lower down power consupption and prolong the life. 4.Double screws feed equal materials forcibly. 5.Bealine bearing knife device adjusts the knives safly,exactly and swiftly. 6.Double-screw extruder can clean itself automatically.