Mill Liner

ZM INDUSTRY CO.,LTD：Your Leading Mill Liner Supplier

ZM INDUSTRY CO.,LTD established in 2003, is an international company dedicated to providing comprehensive manufacturing and services of metallurgical equipment for the mining and metallurgy industry. Our products mainly include grinding mill, girth gear, mill liner, manganese steel casting, excavator spare parts, crusher spare parts and custom products.

Liner Segment
ZM INDUSTRY CO., LTD. manufactures wear-resistant liner solutions using ASTM A532 Class III Grade A high chromium alloy iron with 25% Cr content. With ≥600 BHN hardness, our products deliver...
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Spring Plate
S355 JR Steel – Strong, stable, and suitable for heavy-duty gear systems
True Load Distribution – Reduces stress concentration in girth gear drives
Vibration Reduction – Improves gear...
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Discharge Cooler Grate
330 SS Material – Heat-resistant stainless steel ensures durability in high-temperature discharge environments.
Optimized Grate Design – Improves airflow and material cooling...
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Chute Liner
High Chrome Iron Material – Exceptional wear resistance and impact strength for heavy-duty material handling.
Cast Liners & Bolts – Complete set including precision cast liner bolts for secure...
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Concave Liner
AT-2105 HT Alloy Steel – Heat treated to 400 BHN for extended wear life.
Optimized Crushing Profile – Ensures stable chamber geometry and consistent output
Heavy-Duty Application –...
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Ring Liner
The Ring Liner is a critical wear-resistant part widely used in ball mills, SAG mills, and grinding systems. It serves as a protective armor to minimize shell wear, enhance grinding efficiency,...
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Ball Mill Liner
Ball mill liner is a component used to protect the cylinder from the direct impact and friction of the grinding body and materials, which helps to improve the mill's grinding efficiency, increase...
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Concave Mill Liner
Concave mill liner can be used as various types of ball mill liners, which are widely used in wet ball mills in mineral processing plants, dry ball mills in cement plants, fine mills, and can also...
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Sag Mill Liner
SAG mill liner is mainly composed of turntable and liner. Among them, the turntable is the core component of the equipment, which is mainly used for grinding and material conveying. In the dry...
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Mill Liner Cr-mo Steel
Mill liner Cr-Mo steel is a material with good abrasion resistance and corrosion resistance, which is widely used in mining, metallurgy, electric power and other industries for wear protection of...
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Ball Mill Rubber Liner
Ball mill rubber liner is a wear-resistant part made of rubber material, which is commonly used in the equipment of mining, metallurgy, electric power and other industries, such as conveyor, ball...
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Why choose us?

Quality Control

In addition to equipment manufacturing, ZMI also focuses on the production of spare parts for mining equipment. Our spare parts undergo strict quality control to ensure their reliability and durability.

Rich Experience

After more than 20 years of unwavering dedication, ZMI has achieved remarkable success, evolving from a startup to an international company with an annual production value of 8000 tons.

High Quality

The company has consistently upheld high standards and principles of quality. Through continuous innovation and improvement, ZMI has risen to become a leading service provider in the international mining industry.

Facilities And Expertise

Through its integrated operational processing system, world-class facilities and expertise, as well as the principles of integrity and cost control, ZMI has emerged as a standout player in the mineral industry, offering clients perfect solutions.

Benefits of Mill Liner

Extended lifespan

Mill liners provide a protective surface that reduces wear and tear on the interior of the mill, thereby extending its lifespan.

Improved grinding efficiency

By reducing the wear and tear on the mill, liners can help to improve the grinding efficiency of the mill, resulting in higher production rates and improved energy efficiency.

Enhanced safety

Mill liners can help to improve safety in grinding mills by reducing noise levels and minimizing vibrations.

Product Specifications

Product name	Mill Liner
Size	All kinds, customer can customize
Material	High chrome alloy iron, include 27%Cr; 15%Cr-Mo; Cr-Mo low alloy steel; Cr-Mo-Ni alloy steel
Place of Origin	Henan, China
Brand Name	Maohua
Warranty of core components	1 Year
Port	Qingdao, China or Shanghai, China

Types of Mill Liner

Steel liners

Steel mill liners are the most widely used type of mill liner, and they are typically made of high-strength steel alloys such as manganese steel, chrome steel, or Ni-hard. These liners are strong, durable, and resistant to wear and impact, making them suitable for use in high-wear applications such as grinding mills.

Rubber liners

Rubber mill liners are another popular type of liner used in grinding mills. They are typically made of natural or synthetic rubber and offer several advantages over steel liners, including better shock absorption, reduced noise levels, and improved grinding efficiency.

Composite liners

Composite mill liners are made of a combination of materials, such as rubber and steel or rubber and ceramics, to provide a more robust and durable liner that offers the benefits of both materials. Composite liners are known for their excellent wear resistance, impact resistance, and energy absorption.

Magnetic liners

Magnetic mill liners are a relatively new type of liner that uses magnetic fields to hold the grinding media in place. These liners are typically made of a ferromagnetic material and offer several benefits over traditional liners, including reduced downtime for maintenance, improved safety, and increased grinding efficiency.

Quality Control

Following tests and inspections:
1.Chemical, mechanical and microstructure testing by an independent laboratory
2.Qualification of welding procedures and specifications
3.NDT tests including UT, RT, MT and PT
4.Dimensional and geometric run-out and concentricity tests
5.German GS-1000 direct-reading spectrograph
6.Micro Scope
7.Technical data packs including all reports are delivered on completion of every project.

Packaging and Shipping

How to Cooperate With Us

productcate-751-562

FAQ

Q: Where are mill liners typically used?

A: They are used in various types of grinding mills, including ball mills, rod mills, and autogenous mills, which are commonly found in industries such as mining, cement production, and power generation.

Q: How are mill liners installed?

A: Installation usually involves lifting and fitting the liner segments into the mill shell. For metallic liners, bolts are often used to secure them in place. Rubber liners may be glued or mechanically fastened. The installation must be done carefully to ensure proper fit and alignment.

Q: What factors are considered in the design of a mill liner?

A: Factors include the type of mill (ball mill, rod mill etc.), the size and rotational speed of the mill, the nature of the grinding media (size, density, hardness), the characteristics of the material to be ground (abrasiveness, hardness), and the expected operating conditions (such as temperature and humidity).

Q: How is the thickness of a mill liner determined?

A: The thickness is determined based on the wear rate expected in the application, the lifespan desired for the liner, the impact forces it will experience, and the cost - effectiveness. Thicker liners generally last longer but are more expensive and may reduce the internal volume of the mill.

Q: What is the role of the liner profile in grinding efficiency?

A: The liner profile affects the motion of the grinding media. For example, a lifter - Type profile in a ball mill helps to lift the balls and create a more efficient cascading action, which improves the grinding of the material.

Q: What are the main types of mill liners?

A: There are rubber liners, which are known for their good impact resistance and noise reduction; metallic liners, such as manganese steel liners, which are very durable and suitable for high - impact applications; and composite liners that combine the advantages of different materials.

Q: Why are mill liners important?

A: They are important because they extend the life of the mill shell, reduce maintenance costs associated with shell repair or replacement, and can improve the grinding efficiency by providing a proper surface for the grinding media to tumble and grind the material.

Q: How are the different sections of a mill liner (e.g., shell liner, head liner) designed differently?

A: The shell liner is designed mainly to withstand the abrasive action of the grinding media along the circumference of the mill. The head liner, on the other hand, needs to handle the impact of the media as it falls back after being lifted. So, head liners may be thicker or have a different shape to better dissipate impact energy.

Q: What materials are used to make the different components of a mill liner?

A: For the main body of the liner, as mentioned before, materials like manganese steel, rubber, or composites are used. For fastening components like bolts in metallic liners, high - strength steel is used. In some cases, ceramic inserts may be used in areas of high wear within the liner.

We're well-known as one of the leading mill liner manufacturers and suppliers in China. If you're going to buy high quality mill liner, welcome to get more information from our factory. Also, customized service is available.