Unusual sound and great vibration of pellet machine working

Pellet machine is working with unusual sound and great vibration. The following factors should be considered as main reasons causing it.

1. The raw material conveying is unstable, and feeding speed should be adjusted.
2. Worn deflection scraper caused uneven feeding, you should change new scraper.
3. Ring die and compression roller of the pellet machine are not all newly installed, it is better to collocate a new ring die with new roller.
4. The space between ring die and compression roller is discordant with the size of raw material. The space is need adjusting.
5. It may be caused by using of both old and new compression rollers, or worn and damaged compression rollers.
6. The formula of raw material is difficult to granulate, the formula should be modified.
7. It may be caused by insufficient steam supply or unstable pressure. Check the steam piping and the system pressure and pressure reducing valve.
8. Granulating granary was filled in sundries, remove sundries in granulating granary.
9. Worn or damaged main shaft bearing needs to change.