Roller Shell (Orbit 275) for Ring Die Pellet Mill
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Type
Honey-comb type, teeth or customized
Application
Spare parts for pellet mill, such as feed pellet mill, biomass pellet mill
Our roller shell is suitable for pellet mills from CPM, BULHER, MUYANG, etc.
**Features of FDSP Roller Shell**
1. Made of wear-resistant alloy material and processed with fine machining and heat treatment.
2. Crafted from bearing steel, offering high hardness, excellent wear resistance, and long service life. Available in different tooth depths and shapes upon request.
3. The tooth surface design enhances the pelleting performance.
4. Commonly used 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, though its coil performance may be slightly limited.
7. Scallop-shaped roller shells offer good coil performance and are widely used in feed mills, although they may cause uneven wear on the ring die.
8. Scallop shape with edge banding is ideal for aqua feed, preventing feed from sliding sideways during extrusion.
We have a large inventory of pellet mill parts available for immediate delivery.
**Product Description:**
The roller shell, also known as the roll, is one of the key components in a pellet mill. It is used to process various types of biomass fuel granules, animal feed pellets, and other pellet products. Made from wear-resistant alloy steel with carburization heat treatment, it features uniform hardness and an extended service life. It comes in three types: through-tooth, non-through-tooth, and pass-type. Precise inner eccentric shafts allow customers to adjust the space between the roller and ring die according to their production needs. The design also makes it easy to mount and replace.
**Product Photos:**
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**Important Notes:**
1. Select the appropriate die hole compression ratio.
2. Adjust the working clearance between the ring die and roller (between 0.1 and 0.3 mm is recommended). After starting 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 connection with the ring die should 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 alignment.
4. Before feeding raw materials into the pellet mill, perform thorough cleaning and magnetic separation to reduce iron impurities entering the die holes. Regularly check the die holes for blockages and clean them as needed.
5. If plastic deformation occurs in the ring die's guiding cone hole, causing shrinkage, repair is necessary. During repair, ensure that the lowest height of the ring die’s inner surface is 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 scraped.