High-Performance Pellet Mill Roller Shell For Buhler 520 With Unmatched Abrasion Resistance for Production Needs

High-Performance Pellet Mill Roller Shell For Buhler 520 With Unmatched Abrasion Resistance for Production Needs

1. Introduction

In the feed and biomass pellet production industries, the reliability and durability of equipment components are of utmost importance. Among these components, the pellet mill roller shell plays a crucial role. Our pellet mill roller shell is engineered with a primary focus on exceptional abrasion resistance, ensuring long - term, efficient operation in even the most demanding production environments.

2. Superior Abrasion - Resistant Materials

2.1 Material Selection

We utilize high - quality alloy steels, such as GCr15 (high - carbon chromium bearing steel), 40Cr, and 60Si2Mn, which are carefully selected for their outstanding wear - resistant properties. GCr15, for example, after quenching and low - temperature tempering, can reach a hardness of HRC56 - 58. Its high - carbon content and chromium addition contribute to the formation of a dense carbide structure within the steel matrix. This carbide structure is extremely hard and wear - resistant, effectively resisting the abrasive forces exerted by the raw materials during the pellet - making process.

2.2 Custom Material Options

In addition to our standard high - performance materials, we also offer the flexibility to use other materials according to specific customer requirements. Whether it's for processing special types of biomass fuels, high - protein animal feeds, or other unique materials, we can tailor the roller shell material to meet the exact abrasion - resistance demands of the application.

3. Advanced Manufacturing Processes

3.1 Precision Machining

Our roller shells are manufactured with extreme precision using state - of - the - art CNC machining centers. This ensures that every dimension, from the inner diameter to the outer diameter and the width, is produced within tight tolerances. The surface finish of the roller shell is also carefully controlled. A smooth surface finish not only reduces the friction coefficient between the roller shell and the raw materials but also minimizes the adhesion of materials to the surface, further reducing wear.

3.2 Heat Treatment Optimization

To enhance the abrasion resistance of the roller shell, we have developed a proprietary heat - treatment process. This process includes multiple steps of heating, quenching, and tempering. During heating, the steel is heated to a specific temperature range to ensure uniform austenitization. The quenching process then rapidly cools the steel, transforming the austenite into a martensitic structure, which is extremely hard. Finally, the tempering process is carried out to relieve internal stresses and improve the toughness of the martensitic structure, achieving an optimal balance between hardness and toughness for maximum abrasion resistance.

4. Design Features for Wear Reduction

4.1 Optimized Tooth Profiles

We offer a variety of tooth profiles for the roller shell, including corrugated, dimpled, and helical designs. The corrugated tooth profile, for instance, effectively reduces the slippage of raw materials on the surface of the mold. By providing a better grip on the materials, it reduces the relative movement between the roller shell and the materials, thus minimizing wear. The dimpled tooth profile, on the other hand, offers less drag and more even wear distribution. The small dimples on the surface create micro - contact points with the materials, reducing the overall pressure on any single point and extending the service life of the roller shell.

4.2 Reinforced Structural Design

Our roller shells are designed with a reinforced structure to withstand the high - pressure and high - friction forces during operation. The thickness of the roller shell is optimized to ensure sufficient strength while minimizing unnecessary weight. Additionally, we use advanced finite - element analysis (FEA) techniques during the design phase to simulate the stress and strain distribution within the roller shell under different operating conditions. This allows us to identify and reinforce the areas that are most prone to wear, further enhancing the overall abrasion resistance of the roller shell.

5. Performance and Benefits

5.1 Extended Service Life

Thanks to the high - quality materials, advanced manufacturing processes, and optimized design features, our pellet mill roller shells offer an extended service life compared to traditional roller shells. In practical applications, our customers have reported that our roller shells can last up to 30% longer than similar products on the market, reducing the frequency of replacement and minimizing production downtime.

5.2 Cost - Effective Operation

The long - lasting abrasion resistance of our roller shells directly translates into cost savings for our customers. With fewer replacements required, the total cost of ownership is significantly reduced. Additionally, the improved efficiency of the roller shell, due to reduced wear - related inefficiencies, can also lead to lower energy consumption and higher production output, further enhancing the cost - effectiveness of the production process.

5.3 High - Quality Pellet Production

A well - maintained and wear - resistant roller shell is essential for producing high - quality pellets. By ensuring consistent and stable operation, our roller shells help to produce pellets with uniform size, shape, and density. This is particularly important for the feed industry, where the quality of the feed pellets directly affects the growth and health of livestock.


Our pellet mill roller shell is the ideal choice for those seeking a high - performance, abrasion - resistant solution for their pellet production needs. With its superior materials, advanced manufacturing processes, and innovative design features, it offers unrivaled durability and reliability. Whether you are in the feed production, biomass energy, or other related industries, our roller shell can help you improve production efficiency, reduce costs, and produce high - quality pellets. Contact us today to learn more about how our pellet mill roller shell can benefit your business.

Application of Shanbao Machinery's Roller Shells

Shanbao Machinery Roller Shells process

Lathe:



Marking:



Hobbing:



Polishing:


Carburizing

Packing:

Founded in 1989 and with two subsidiaries, Sichuan Meishan Shanbao machine mould co., ltd is one large and professional feed machinery spare parts manufacturer with integration of production, sales and service.The headquarter is located at the new zone of Meishan industrial park Sichuan province ,China.

With the support of strong technical force, excellent equipment, complete testing instruments, and many years of practical experience and scientific research, so we can manufacture a series of parts and accessories for feed machinery use, including ring dies, flat dies,roller assembly, screw-head, screen-mesh,hammer, striking hammer-head, gear ring and so on, which are of application in feed industry, etc.

The key process of production is automated by using international advanced multi-station CNC gun drilling technology and vacuum heat treatment technology in 2001 and the company also expanded another new production line in 2012, which makes all process of production automated from drilling, pressure-reducing, chamfering. The company has 21 sets of four-axis CNC gun-drilling machine tools that equipped with large vertical vacuum furnace for quenching. Our fine products with good features, like good wearing resistance,highdegree of finishing,high cost performance.

The productivity of pellet feed by our ring die is up to 40 million tons per year.

In Dec. 2002, the company was awarded the certificate of ISO 9001:2008 that issued by China quality certification center. In Apr. 2003, the company acquired the licence of import and export qualification .

Our customer contains: Charoen Pokphand Group(CP), CJ Group(Korea), Purina Feed(USA),Tongwei Group,DaChan Food, Uni-President China, New-hope Liuhe Group and Sichuan Tequ Group, Te Qi Li Shi Group, Hunan TRS Group,Hunan Jiuding Group, Da Bei Nong Group, Huan Shan Group,Guangdong evergreen Group, CHIA TAI CONTI GROUP,, Guangdong Chia Tai Conti Group,Guangxi Rui Kang Group , Guangxi Liyuan Group, Fujian Huagang group and etc.

The company established the quality policies of customer satisfaction, integrity operation, first-class quality, technological innovation. and the essence of enterprise culture of "being realistic and dedicated", the concept "working with customers to make granules" was integrated into the production and service.

We also established service network covering the whole country, aim to provide better products and services for the majority of users.

Services outlets: Northeast office, Shandong office, Henan office, East China office, Hunan office, Guangdong office.