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SKU: 50F78B4F7A7A3

Roller Shell

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Compatible Brand:
    • MUYANG
    • Other
Compatible Type:
    • MUZL180
    • MUZL350
    • MUZL350B
    • MUZL350T
    • MUZL420
    • MUZL420B
    • MUZL420M
    • MUZL420T
    • MUZL420TB
    • MUZL420H
    • MUZL600
    • MUZL600B
    • MUZL600T
    • MUZL1200
    • MUZL1200A
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    • MUZL610M
    • MUZL610TW
    • MUZL1210A
    • MUZL1210C
    • MUZL1610A
    • MUZL1610C
    • MUZL1610M
    • MUZL2010C
    • MUZL2010A
    • 劲智V4
    • 劲智V6
    • Other
Tooth form:
    • Pass trough type
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Pellet Roller Shell


√ Roller shell,made of wear resistant alloy raw material, processed from fine and heat treatment;

√ Made of bearing steel, high hardness, good wearing resistance, long life, different tooth depth and shape at option;

√ Tooth surface forms of roller shell, good to pelleting performance

√ Frequently-used roller shell tooth form:honeycomb,scallop shape and scallop shape with edge banding

√ Honeycomb,scallop shape, the two types of roller shell is mainly used in livestock and poultry feed pelleting.

√ The advantage of honeycomb rolller shell is the even wearing of ring die, but coil performance is bad.

√ Scallop-shaped roller shell features good coil performance, widely used among feed mills, but wearing of ring die is not even.

√ Scallop shape with edge banding, this kind of roller shell is applicable for aquafeed. Feed is not easy to slide towards both sides when being extruded.


pass trough type closed slot type chute type
honeycomb type miter-slot type arc alveolar type
honeycomb alveolar compound type    


Product Description:

Roller shell, commonly known as roller, is one of the main work parts in pellet mill and is applied for processing various kinds of biomass fuel granule, animal feed pellet and other pellets. It is made of wear resistant alloy steel with carburization heat treatment, featuring even hardness and long service life. It is divided into tooth through type, tooth no through type and pass type. Rolling parts such as inner eccentric shaft are precise in size, facilitating space adjustment by customers between roller and ring die according to production requirement. It is also characterized by ease of mounting and replacing.


1.Select correctly appropriate die hole compression ratio

2.Correctly adjust the working clearance between ring die and roller, from 0.1 to 0.3 suitable.(after new pellet mill being switched on, roller, driven by ring die, getting into a state of prerunning,but not rotating.)

3.New ring die should match new roller to use.Roller connecting with ring die must be loose in front and tight in back.When roller two sides appear sharp corners, it should be timely used hand grinder to blunt the flange part so as to have a good connection of roller and ring die.

4.Before raw material fed into pellet mill,precleaning and magnetic separation treatment is necessary in order to minimize iron impurities of getting into die hole.Checking regularly the die hole is also essential to see whether the die is blocked and accordingly clean the blocked die hole.

5. If plastic deformation happens to ring die guiding material cone hole,causing hole shrinking, it must be repaired.During repairing, pay attention to that ring die inner surface lowest height must be 2mm higher than the bottom of overtravel groove.In addition,the eccentric shaft adjusting must allows an extra, otherwise ring die should be scraped.

About Muyang is Muyang Group’s e-commerce site, where customers find it easier, faster and more covenient to know Muyang products, make inquiries, purchase products and obtain services, thus enhancing customers' market competitiveness.

Muyang Group has since its founding in 1967 grown into a prestigious global group corporation, whose sales and technical service network covers dozens of countries throughout the world. Muyang Group has technology research and development bases in Germany, China, Japan and USA and the most key parts of products are produced in Europe,Japan and USA with complete machine assembling and testing in some countries including China. Muyang Group’s activities cover design, development, fabrication, installation and integration solution of the machinery & engineering of the following industries such as feed manufacturing, bulk solids handling and storage, grain milling, environment protection, food processing, steel structure building as well as industrial automation.

2011 annual sales of Muyang Group achieved US $1.5 billion with over 80% annual growth pace of development. At present, Muyang Group shows the top ranking in global market share in industries such as feed machinery,  storage silo, grain machinery, biomass equipments and steel structure building.The sales of Muyang Group in 2015 are estimated to reach US $16 billion.

Top customers

Cargill(US), Charoen Pokphand Group(TH),Bunge(NLD),AB, Agri(UK),CJ(KOR),Watania(KSA), TPS(INA), NSSC(EGY)…

Success Stories

“My philosophy was to build superior high end products for my customers, and to do so I knew I needed the best machines. Muyang Group was the obvious choice.”
Adirek Sripratak – CEO, Agro-Industry & Food Business

“Muyang Group service is outstanding, and it includes installing, integrating, servicing and training on advanced manufacturing technologies.”
Armando Emilio Guebuza - Mozambique President

“Our relationship with Muyang Group is strong and growing. They do what they say they will do,and their support is everything we expect from our machine suppliers.”
Christopher White - CEO, Bunge Asia

“You will not find better local support in this industry than you will find with Muyang Group.Their Applications Engineers are the best A.E.s I have come in contact with, ever!”
Obasanjo - Nigeria Former President

Our Modern Plants

Our Group And International Business

In approximately 100+ countries around the world,  you can find Muyang

Muyang Group has eight production bases worldwide (China, Germany, Egypt), four R&D centers (two in China, one in Europe, one in the United States), totally covering areas of more than 1 million square meters with close to 10,000 employees.

Muyang engineering in the world

Over 5000 referenced feed mills of different kinds in 100 countries
Over 2000 referenced storage projects
Over 1000 referenced steel structure projects
Over 800 referenced turnkey projects for grain process


Muyang Group has been fully passed ISO9001 international quality system certification and has over 400 national patents, among which are 21 patents of invention and 8 declared international patents. All the core products of feed machinery self-developed by Muyang have passed European CE certification.

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Delivery time:

60-75 days upon receipt of payment, goods leave the warehouse of Muyang


Mode of transportation:

Mode of transportation can be selected according to your demand. In general, sea transportation is recommended. If you are in urgent need, please choose express (recommend DHL). Besides, rail and air transportation are also available.



We provide packaging suitable for long-distance transport. According to different products, we can provide you with foamed plastic packing, fully sheathed wooden or plywood case with smoked markers, vacuum anti-rust moisture-proof seal aluminizer, wooden pallets, heavy-duty corrugated boxes outside protective packaging. And all the goods are packed by professionals.



If you need some documents such as bills of lading, invoice, packing list etc., please feel free to leave your message after you place an order. You can also contact us and we are glad to be at your service.


Country of origin:

The People's Republic of China
Products are manufactured by Jiangsu Muyang Group Co.Ltd., China in year 2012


Acceptance of the goods:

A check on appearance should be made immediately when the accessory is transported to the destination. If it is sure there is any damage caused during transport, a necessary claim procedure must be taken according to the supply contract. The repair expense shall be borne by relevant risk undertaker.




The equipment, which cannot be installed in predetermined place immediately, must be stored in a weather-proof place with facilities against external infringement in original packages. Any loss arising from storage shall be conducted as per the contract.


The products manufactured by Jiangsu Muyang Group shall be installed only by the trained technical personnel based on installation specifications provided together with the equipment. Muyang Group can provide installation guidance service.