Roller Shell for Ring Die Pellet Mill (LM 520-140)

Features of FDSP Roller Shell
1. Made from wear-resistant alloy material, processed through precision and heat treatment;
2. Constructed from bearing steel, offering high hardness, excellent wear resistance, and a long service life. Available in various tooth depths and shapes;
3. The tooth surface design enhances the pelleting performance;
4. Common 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 production;
6. Honeycomb roller shells ensure even wear on the ring die but may have weaker coil performance;
7. Scallop-shaped roller shells offer superior coil performance and are widely used in feed mills, though they may cause uneven wear on the ring die;
8. Scallop-shaped with edge banding is ideal for aqua feed, preventing the feed from sliding during extrusion.
We maintain a large inventory of pellet mill parts for quick delivery.


Product Description:
The roller shell, commonly referred to as the roller, is one of the main 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. It comes in three types: through-tooth, non-through-tooth, and pass-type. Components like the inner eccentric shaft are precisely manufactured, allowing customers to adjust the space between the roller and ring die according to their production needs. It is also easy to install and replace.

Product Photos:
Notice:
1. Select the correct die hole compression ratio;
2. Adjust the working clearance between the ring die and roller, ideally between 0.1 and 0.3 mm (after the new pellet mill is turned on, the roller, driven by the ring die, 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 should be loose at the front and tight at the back. If the roller has sharp edges, use a hand grinder to blunt the flange part to ensure proper contact between the roller and ring die;
4. Before feeding raw materials into the pellet mill, cleaning and magnetic separation are essential to reduce iron impurities entering the die holes. Regularly check the die holes for blockages and clean them accordingly;
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 the inner surface of the ring die is at least 2mm higher than the bottom of the overtravel groove. Additionally, the eccentric shaft adjustment must allow for extra clearance, otherwise the ring die should be scrapped.

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Changzhou Dahua-Luckypower , https://www.czluckypowertech.com