XT-5 magnetyzery do silników - DIESEL + powietrze - XT-5 magnetizer

Advantages as well as disadvantages of NdFeB magnets.

Besides their remarkable magnetic power, neodymium magnets offer the following advantages:

• They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (in laboratory conditions),
• They possess excellent resistance to magnetic field loss as a result of opposing magnetic fields,
• In other words, due to the smooth surface of silver, the element becomes visually attractive,
• The surface of neodymium magnets generates a unique magnetic field – this is a distinguishing feature,
• Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
• Considering the possibility of precise forming and customization to custom needs, neodymium magnets can be manufactured in a variety of forms and dimensions, which makes them more universal,
• Fundamental importance in modern industrial fields – they serve a role in data components, motor assemblies, medical equipment, and technologically advanced constructions.
• Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which makes them useful in compact constructions

Disadvantages of NdFeB magnets:

• They are fragile upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
• When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
• Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
• Due to limitations in producing threads and complicated forms in magnets, we recommend using a housing - magnetic mount.
• Health risk to health – tiny shards of magnets can be dangerous, if swallowed, which gains importance in the context of child safety. It is also worth noting that small elements of these products can complicate diagnosis medical in case of swallowing.
• Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Maximum holding power of the magnet – what affects it?

The force parameter is a theoretical maximum value conducted under specific, ideal conditions:

• with the application of a yoke made of low-carbon steel, ensuring full magnetic saturation
• whose thickness is min. 10 mm
• with a plane free of scratches
• under conditions of ideal adhesion (metal-to-metal)
• for force applied at a right angle (in the magnet axis)
• at conditions approx. 20°C

Determinants of practical lifting force of a magnet

Bear in mind that the working load may be lower influenced by elements below, starting with the most relevant:

• Clearance – existence of foreign body (paint, dirt, gap) interrupts the magnetic circuit, which lowers capacity steeply (even by 50% at 0.5 mm).
• Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet exhibits much less (often approx. 20-30% of nominal force).
• Plate thickness – too thin steel causes magnetic saturation, causing part of the power to be wasted to the other side.
• Plate material – low-carbon steel gives the best results. Alloy admixtures reduce magnetic permeability and lifting capacity.
• Plate texture – smooth surfaces ensure maximum contact, which increases force. Uneven metal reduce efficiency.
• Temperature influence – high temperature reduces pulling force. Exceeding the limit temperature can permanently damage the magnet.

* Lifting capacity testing was performed on a smooth plate of suitable thickness, under perpendicular forces, in contrast under shearing force the lifting capacity is smaller. Additionally, even a slight gap {between} the magnet’s surface and the plate lowers the load capacity.