Magnetic systems Manufacturers online

Magnetic systems are used in a wide range of applications, from electronics and medicine to heavy industry.

Magnetic systems are based on the physical principles of magnetism.
They use the attraction and repulsion between magnetic materials to generate forces.

Below you will find an overview of the basics of magnetism, how it works, as well as an overview of the types and applications of magnetic systems, their advantages and a look into their future:

Basics of magnetism in magnetic systems:

1. Magnetic materials: iron, nickel, cobalt and their alloys are ferromagnetic and particularly suitable for magnetic systems.
2. Magnetic fields: Magnetic materials generate a magnetic field, which can be represented by field lines.
3. Polarity: Every magnet has two poles: north and south pole. Like poles repel each other, unlike poles attract each other.
4. Types of magnets in magnetic systems:
5. Permanent magnets (e.g. neodymium, ferrite)
6. Electromagnets: Generate magnetism only when current flows
7. Superconducting magnets: Generate very strong magnetic fields at extremely low temperatures

How magnet systems work:

The functioning of a magnetic system is based on the interaction of magnetic fields:

1. Attraction and repulsion: movements or forces are generated by these interactions.
2. Induction: Changes in a magnetic field can generate electrical currents in conductive materials (Faraday's law of induction).
3. Control by current: In electromagnets, the strength and direction of the magnetic field can be controlled by adjusting the current flow.

Types and applications of magnetic systems:

1. Holding and mounting systems:
Magnetic holders: Permanent magnets in machines or tools.
Magnetic plates: For fixing workpieces in metalworking.
Magnetic door closers: In furniture and security doors.

2. Electromechanical systems:
Electric motors and generators: Convert electrical energy into mechanical energy and vice versa.
Transformers: Transfer electrical energy through magnetic induction.
Relays and switches: Use electromagnets to control electrical circuits.

3. Medical applications:
Magnetic resonance imaging (MRI): Uses strong magnetic fields to image the body.
Magnetic drug delivery: Magnetic particles direct medication specifically to diseased areas.

4. Magnetic storage technologies:
Hard disks and magnetic tapes: storage of data by magnetizing small areas.
Magnetoresistive memories: Future technology for extremely fast memories.

5. Industrial applications:
Magnetic separators: Separating magnetic from non-magnetic materials.
Magnetic lifting systems: For the transportation of heavy metallic loads.

6. Transportation:
Magnetic levitation trains (Maglev): Utilize magnetic repulsion for smooth locomotion.
Magnetic couplings: Enable non-contact power transmission.

Advantages of magnetic systems:

• Contactless power transmission: Low wear and long service life.
• Precision: Finely controllable movements and forces.
• Efficiency: High energy transmission rate without mechanical losses.
• Versatility: Application in numerous industries and technologies.

The future of magnetic systems:

• Higher efficiency: advances in materials science and nanotechnology.
• Renewable energies: Magnet-based generators in wind and hydroelectric power plants.
• Miniaturization: Magnetic systems for micro- and nanotechnology.

Magnetic systems are indispensable components of modern technologies and offer countless application possibilities. With continuous advances in materials science and engineering technology, magnetic systems will become even more versatile and powerful in the future.

Here is an overview of the most important criteria to consider when buying magnet systems:

When purchasing magnetic systems, there are a number of factors to consider to ensure that the system meets the specific requirements. The most important criteria can be divided into technical, economic and application-specific categories.

• The technical criteria for selecting magnet systems are:
• Magnet material Permanent magnets:
• Neodymium (NdFeB): Very high magnetic force, compact design, but temperature-sensitive and susceptible to corrosion.
• Samarium-cobalt (SmCo): High magnetic force, heat-resistant, corrosion-resistant, but more expensive.
• Ferrite magnets: Inexpensive, corrosion-resistant, but lower magnetic force.
• AlNiCo: Temperature-resistant, but weaker magnetic force.
• Electromagnets:
• The choice depends on the power source and the ability to control the magnetic field.
• The magnetic strength (flux density): Unit: Tesla (T) or Gauss (G).
• Stronger magnets for heavy loads or precise applications, weaker magnets for general applications.
• Check the temperature resistance and operating temperature range:
• Some magnets lose their magnetic force at high temperatures (e.g. neodymium from 80-200 °C depending on quality).
• Samarium-cobalt is more resistant to high temperatures.
• Magnet geometry (e.g. disks, cuboids, rings) and dimensions must meet the space requirements of the application.
• Coatings such as nickel, epoxy resin or zinc protect magnets from corrosion and mechanical damage. Particularly important for outdoor applications or contact with liquids.
• Magnetic holding force (e.g. in kg or Newtons) should be sufficient for the expected load.
• Include safety factor to absorb sudden load peaks.
• Compare cost per unit in terms of magnetic strength, durability and suitability for application.
• High-performance materials such as neodymium or samarium-cobalt are more expensive, but offer higher efficiency.
• Check whether the desired magnet type is available at short notice. Particularly important for time-critical projects.
• Magnet systems with strong force can be dangerous. Consider safety measures such as spacers, covers or insulation.
• Ease of installation: Are there mounting holes, threads or suitable brackets?
• Compatibility with existing systems and components.
• Possibility of implementing customer-specific requirements (e.g. special shapes, customized mounting systems).
• Preference for environmentally friendly materials and production processes.
• Consider the recyclability of magnetic systems.
• Do not forget to request proof of quality, such as test reports on magnetic force or material properties.
• If repeat orders are necessary, ensure that the magnet type remains available in the long term.

When purchasing magnet systems, the selection should be based on material, magnet strength, operating environment and cost. Safety aspects, sustainability and reliability of the supplier also play a decisive role. By carefully analyzing these factors, you can avoid bad purchases and find the optimal solution for the desired application.

Magnetic systems can be purchased from various suppliers. Comprehensive information about manufacturers and suppliers of Magnetic systems from all over the world can be found on Exportpages.