HSF Series Heavy grizzly Vibrating Feeder-Designed according to heavy duty working conditions,suitable for feeding large and medium-sized primary crushing equipment in stone,building materials and metallurgical mines.Compact structure,strong impact resistance,external eccentric block design makes the amplitude adjustment of the feeder convenient and quick, independent wear-resistant bar makes the bar gap can be adjusted at will,maximize the granularity of the material entering the crusher, improve the crusher productivity,reduce energy consumption.