Overview
Neodymium Cylinder Magnets are high-performance, powerful permanent magnets made from an alloy of neodymium, iron, and boron (NdFeB). Their cylindrical shape, combined with exceptional magnetic strength, makes them ideal for use in specialized applications such as magnetic bar-type separators and custom magnetic assemblies. Known for their compact size and high energy density, these magnets are essential for industries requiring precision and powerful magnetic performance.

Key Features
-
Superior Magnetic Strength
Neodymium Cylinder Magnets offer one of the highest magnetic fields, up to 55 MGOe (maximum energy product), ensuring effective iron removal and other industrial applications requiring high magnetic strength.
-
Compact and Efficient Design
Their cylindrical form allows for efficient integration into magnetic bar-type separators, optimizing space while maintaining powerful magnetic performance for high-purity separation.
-
Durability and Temperature Resistance
Available in multiple grades (N, H, SH, UH), these magnets maintain performance even in extreme temperatures and are coated for added corrosion resistance, making them durable in harsh industrial environments.
-
Versatile Usage
These magnets are used not only in magnetic separation but also in custom magnetic assemblies for motors, lifting devices, holding systems, and more.
Applications of Neodymium Cylinder Magnets
1. Magnetic Bar-Type Separators
Neodymium Cylinder Magnets are a critical component in magnetic bar-type separators, which are used to remove ferrous contaminants from powders, liquids, and slurries. Their exceptional strength makes them highly effective in industries that require precise separation, including:
-
Food Processing
Embedded in magnetic bars, Neodymium Cylinder Magnets are used to remove iron particles from food ingredients like sugar, dairy powders, spices, and grains, ensuring product safety and quality.
-
Pharmaceutical Industry
These magnets are integral to magnetic bar separators in pharmaceutical manufacturing, where they help remove iron and other metal contaminants from raw materials and powders to ensure compliance with GMP and FDA guidelines.
-
Chemical and Waste Processing
Neodymium Cylinder Magnets in separators are widely used in the chemical and recycling industries, effectively capturing metal contamination in powders, slurries, and waste materials, protecting equipment and ensuring the purity of the final product.
2. Other Industrial Applications
In addition to their role in magnetic separation, Neodymium Cylinder Magnets are utilized in other applications requiring compact, high-strength magnetic solutions:
-
Electric Motors and Sensors
Neodymium Cylinder Magnets are commonly used in electric motors, generators, and sensors due to their high energy density and the ability to generate strong magnetic fields in a small footprint.
-
Custom Magnetic Assemblies
These magnets are ideal for creating custom magnetic solutions, including lifting magnets, holding systems, and other applications that require powerful, reliable magnets for holding or separation purposes.
Magnetic Bar-Type Separator Sizes
In magnetic bar-type separators, the most commonly used Neodymium Cylinder Magnet diameters are:
These sizes are selected based on the application requirements, including the material flow rate, the size of the contaminants, and the overall system design.
Types of Magnetic Bar-Type Separators
Magnetic bar-type separators containing Neodymium Cylinder Magnets can be used in various forms to meet specific application needs. Common types of magnetic bar-type separators include:
-
Drawer Magnets
These separators are often used in industries requiring frequent cleaning, such as food processing. They feature a set of magnetic bars that can be easily removed and cleaned to maintain optimal performance.
-
Tube Magnets
Tube magnets are designed for use in systems where magnetic bars need to be placed within pipes or tubes to capture metal contaminants from flowing materials, typically used in powders and liquids.
-
Inline Magnets
Inline magnetic separators are placed directly in the product flow, allowing ferrous contamination to be captured continuously without interrupting the flow of material.
-
Grate Magnets
Grate magnets consist of multiple magnetic bars arranged in a grid formation and are used in hoppers, chutes, or bins to remove contaminants from powders, grains, and other granular materials.
Why Choose MAG SPRING® Neodymium Cylinder Magnets?
-
Precision Manufacturing
Our Neodymium Cylinder Magnets are crafted with precision to meet the specific needs of your application, ensuring optimal performance and longevity.
-
Global Expertise
MAG SPRING® has years of experience in providing magnetic solutions for a wide range of industries. We work closely with clients to ensure that our magnets meet the exact requirements for their applications.
-
Durability and Sustainability
Our Neodymium Cylinder Magnets are designed for high durability and long-term performance, and we offer HREE-free options to minimize environmental impact and reliance on rare earth elements.
Technical Specifications
-
Material Composition: Neodymium (Nd), Iron (Fe), Boron (B)
-
Magnetic Strength (BH)ₘₐₓ: Up to ~55 MGOe
-
Grades Available: N, H, SH, UH
-
Temperature Range: From -40°C to +200°C (depending on grade)
-
Coatings Available: Nickel (Ni), Zinc (Zn), Epoxy, Custom Coatings
-
Maximum Size: Up to 250mm x 80mm (custom sizes upon request)
-
Corrosion Resistance: Coated for durability in harsh environments
-
HREE-Free Options: Available to reduce reliance on heavy rare earth elements
FAQs
Why are Neodymium Cylinder Magnets ideal for magnetic bar-type separators?
Their high magnetic strength in a compact cylindrical shape makes them perfect for use in magnetic bar-type separators, where they efficiently capture even the smallest iron contaminants in various materials, such as powders and liquids.
What other uses do Neodymium Cylinder Magnets have?
Besides magnetic separation, these magnets are used in electric motors, sensors, and custom magnetic assemblies, such as lifting magnets and holding devices, where high magnetic strength and compact design are essential.
Can Neodymium Cylinder Magnets be customized for my specific needs?
Yes, MAG SPRING® offers customized Neodymium Cylinder Magnets in various sizes, grades, and coatings to meet the unique requirements of your application.
Related Products
Contact Us
Get in touch with MAG SPRING® today to learn how our Neodymium Cylinder Magnets can enhance your magnetic separation processes or provide solutions for other industrial applications. Whether you need magnets for magnetic bar-type separators or custom magnetic solutions, we offer high-performance, precision-engineered magnets to meet your needs