Application field: This machine is an ideal matched equipment for the canned food factory, Function: which adapts to the grading in size of oranges and other fruits. product structure: This machine is mainly composed of material funnel, the lifting for selection part and grading part. The lifting for selection part adopts roller for transportationthe grading part adopts engineering plastic tumbling box which is six in amout and seven in class. The lifting for selection part and the grading part are seperately drived by stepless speed-adjusting decelerator. The parts of osculation of material are wholy made of the stainless steel or engineering plasticFeature: high prodution ability, accurate and reliable grading, flowing transportation of materials, low disrepair ratio, safty and sanitation convenient using and moving and maintaningetc...