... 7.Shaft coupling 8.Overload protective device ----- robust modular gearbox with high torque capacity.Application: coal, coal gangue, iron ore, ... line------crusher, belt conveyor, bucket elevator, vibrating feeder, vibrating screen etc.Technical parameters of gypsum crusherModel2PLF100/1502PLF100/2002PLF100/2502PLF100/300Max ... 2×(75-160)2×(75-160) Gypsum Teeth-Roller Crusher With Double Driven Device