Roller Shell for Pellet Press

Roller Shell – Pellet Mill Roller Shells for Sale **Features of FDSP Roller Shell** 1. Made of wear-resistant alloy material, processed with fine finishing and heat treatment. 2. Constructed from bearing steel, offering high hardness, excellent wear resistance, and long service life. Available in different tooth depths and shapes. 3. The tooth surface design enhances pelleting performance. 4. Common tooth forms include honeycomb, scallop shape, and scallop shape with edge banding. 5. Honeycomb and scallop-shaped roller shells are mainly used in livestock and poultry feed pelleting. 6. The honeycomb roller shell ensures even wear on the ring die, but has a weaker coil performance. 7. Scallop-shaped roller shell offers good coil performance and is widely used in feed mills, though it may cause uneven wear on the ring die. 8. Scallop shape with edge banding is ideal for aqua feed, preventing feed from sliding during extrusion. We have a large stock of pellet mill parts available for immediate delivery. **Product Description** Roller shell, commonly referred to as the roller, is one of the key working components in a pellet mill. It is used for processing various types of biomass fuel granules, animal feed pellets, and other pellet products. Made from wear-resistant alloy steel with carburization heat treatment, it offers uniform hardness and an extended service life. The roller shell comes in three types: through-tooth, non-through-tooth, and pass type. Precision-engineered rolling parts such as inner eccentric shafts allow for easy adjustment between the roller and ring die according to production needs. The design also makes installation and replacement convenient. **Product Photos** [Insert product images here] **Important Notes** 1. Select the appropriate die hole compression ratio. 2. Adjust the working clearance between the ring die and roller, ideally between 0.1 to 0.3 mm. (After turning on a new pellet mill, the roller should be in a pre-running state without rotating.) 3. New ring dies should be paired with new rollers. The roller must be loose at the front and tight at the back. If sharp corners appear on both sides of the roller, use a hand grinder to blunt the flange part for better connection with the ring die. 4. Before feeding raw materials into the pellet mill, perform precleaning and magnetic separation to minimize iron impurities entering the die hole. Regularly check the die holes for blockages and clean them when necessary. 5. If plastic deformation occurs in the cone hole of the ring die guiding material, causing the hole to shrink, it must be repaired. During repair, ensure that the lowest height of the ring die inner surface is 2mm higher than the bottom of the overtravel groove. Additionally, the eccentric shaft adjustment must allow for extra space; otherwise, the ring die should be scraped.

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