Pellet Mill Roller Shells

Importance of Rolls in Pellet Milling

The pellet mill roller shell assemblies are a critical component of the pellet mill. The roller shells play a key role in determining the quality and consistency of your pellets. We recommend you replace your roller assemblies with each die change. A worn or damaged roller shell being used beyond its service life can cause the mill to consume more energy and reduce throughput.

Quality Construction

Elevate your pellet production with our top-quality roller shells. Our roller shells are designed to withstand the high pressures and abrasive forces of the pelletizing process, ensuring a consistent and efficient outcome every time.

Roller Shell Material

Our roller shells are made from high quality materials that are proven to withstand high temperatures and pressure without degrading or warping.

Choosing the right Roller

Customizable options and smooth surfaces allow for optimized performance and reduced friction, while easy maintenance helps reduce downtime.

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Corrugated Open End (HT)

Our corrugated open end shells work best with high-fibrous products such as wood. One benefit is the relief of pressure on the face of the die.

Corrugated Closed End (HTW)

Designed for more lightweight products, our closed end corrugated shells hold the product you are pelleting to the die pad and can improve throughput.

Tungsten (TRC)

Our Tungsten coated shell is best used in high-wear applications such as corn gluten. Take care not to over-tighten your shells as it could be detrimental to the die.

Dimple (HTD)

Jacobs Dimple shells are less aggressive and most successfully used in wood applications.

Corrugated Helical (HTWH)

Jacobs Helical shells were designed with corn-based animal feed in mind. They work well in a three-roll set up and tend to do a better job cleaning off the die pad.

Pinnacle

Pinnacle shells do an exceptional job in applications producing poultry feed. They are aggressive, holds the feed to the pad, and in most cases improves throughput.

Dominator Shell

Jacobs Dominator™ Shell is a harder shell that typically lasts the life of the die. We have availability in all styles for most makes and models of pellet mills.

Assembly Parts

Jacobs carries internal components to aid in your roller assembly rebuilds. Please reach out to your representative for availability and a quote.

“We recently switched to Pentagon Hammers; the installer said the hammers went on so smooth, they thought something was wrong. Took 20 minutes to install 120 hammers. After a week, the hammers were inspected and there were a few sticking out. Touched them and they fell down. In the next two inspections, all hammers were down.”

Maintenance Supervisor

“Fred wants a die like the last one. Said it is the best die he has ever run!”

Plant Manager

“Very pleased with Bad Ax Hammers. Mill has less vibration, first corner 250 to 260 hours, 2nd corner at 180-190 and still going”

Plant Owner

“Our [Competitor] die that has 500 hours on it isn’t performing as well as the Lightning Die which Currently has 6,500 hours on it. The Lightning Die is still making pellets and the [Competitor] die is struggling. Will be switching fully to Lightning Dies in the future!”

Feed Supervisor

“Maintenance sent the following numbers regarding 5 different feeds. Feed 1: 35% Increase in throughput Feed 2: 44% Increase in throughput Feed 3: 42% Increase in throughput Feed 4: 87% Increase in throughput Feed 5: 9% Increase in throughput.”

International Customer

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