Groove feeder can be set up on the floor, can also be lifting on the ore bin unloading port. Tank bottom for reciprocating motion, the speed of 20 to 60 times/min, stroke is 20-200 - mm. Adjust stroke can be made of driving gear eccentric, eccentric distance is half of stroke. According to some concentrators production practice for sticky ore, eccentricity should be not less than 30 mm. The tub width of the groove feeder about feeding the maximum particle size 2-2.5 times. Biggest groove feeder, can meet various kinds of particle size of ore feed. 980 * 1240 is the most often choose the specifications of the groove type feeder, the feed granularity is 1000-0 mm, suitable for feeding equipment for all kinds of jaw crusher.