... precision manufacturing larger capacity,high efficiency,less power consumption Trough feeder is applied in the primary crushing as the ... ore, eccentricity should not be less than 30mm. Trough feeder feed trough width of about 2-2.5 times the ... vibrating, reliable performance and long working life.4. Trough bottom plate do reciprocating movement.Technical ParametersModelmotor FeedingSize(mm)Stroke ...