Roller Shell for Ring Die Pellet Mill (SZLH 420-120)

**Roller Shell – Pellet Mill Roller Shells for Sale** **Features of FDSP Roller Shell** 1. Made from wear-resistant alloy material, processed with fine machining and heat treatment. 2. Crafted from bearing steel, offering high hardness, excellent wear resistance, and long service life. Various tooth depths and shapes are available. 3. The tooth surface design enhances pelleting performance. 4. Commonly used tooth forms include honeycomb, scallop shape, and scallop with edge banding. 5. Honeycomb and scallop-shaped roller shells are primarily used in livestock and poultry feed pelleting. 6. The advantage of honeycomb roller shells is even wear on the ring die, though coil performance may be less efficient. 7. Scallop-shaped roller shells provide good coil performance and are widely used in feed mills, but the wear on the ring die may not be even. 8. Scallop shape with edge banding is ideal for aqua feed, preventing feed from sliding during extrusion. We have a wide range of pellet mill parts in stock. **Product Description:** The roller shell, commonly referred to as the roller, is one of the main working parts 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 consistent hardness and a long service life. It comes in different types, including through-tooth, non-through-tooth, and pass types. Precision-engineered rolling parts, such as the inner eccentric shaft, allow for easy adjustment between the roller and ring die based on production needs. It is also easy to install and replace. **Product Photos:** [Insert product images here] **Notes for Use:** 1. Select the appropriate die hole compression ratio. 2. Adjust the working clearance between the ring die and roller (0.1–0.3 mm is suitable). After starting the new pellet mill, the roller should be in a pre-running state without rotating. 3. New ring dies should be used with new rollers. The roller connection with the ring die 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. 4. Before feeding raw materials into the pellet mill, perform preliminary cleaning and magnetic separation to reduce iron impurities entering the die holes. Regularly check the die holes for blockages and clean them if necessary. 5. If plastic deformation occurs in the ring die guiding cone hole, causing shrinkage, repair it immediately. During repair, ensure the lowest height of the ring die inner surface is 2mm higher than the bottom of the overtravel groove. Additionally, adjust the eccentric shaft properly, otherwise the ring die may need to be scraped. We offer high-quality roller shells designed for durability and performance. Whether you're running a feed mill, biomass plant, or any other pellet production system, our products are tailored to meet your needs. Contact us today for more information or to place an order.

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