1.The raw material feeding speed is not stable, and shall be adjusted.
2.The deflective blades are wearing out which results in uneven feeding. Blades shall be replaced.
3.It is suggested that ring die and rollers shall be collocated in new and old, or both ring die and rollers shall be new.
4.The gap between ring die and roller does not fit the raw material and shall be adjusted to proper condition.
5.New roller collocates with old roller, or faulty rollers can also result in abnormal noise.
6.There is impurity in pelleting bins. Clean it, and it is suggested to screen and de-iron the raw material before material goes to pellet bins.
7.Main shaft bearing is wearing or damaged, and shall be replaced.