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 The device using theresin disc,thediscis light weight,low power consumption,a single grinding headpower is 7.5KW,its power consumption than traditional continuous mill 1/3.Operation control system using PLC terminal control,through the LCD touch screen parameter settings,a grinding head lifting and polishing is controlled by pneumatic pressure,thesize of demand in theset value can be adjusted.Grinding head of grinding speed and lateral plate feeding speed by frequency control and in the range of set valueset flexibly.Automatic feeding,grinding head intelligent identification plate shape for continuous grinding and polishing of high production efficiency,low cost,a set of device against multi-plehand grinding or bridge typesemi automatic mill production efficiency.