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AM ucho [M10] - magnetic accessories
magnetic accessories
Catalog no 080346
GTIN/EAN: 5906301812494
Weight
71.5 g
Load capacity
320.00 kg / 3138.13 N
7.38 ZŁ with VAT / pcs + price for transport
6.00 ZŁ net + 23% VAT / pcs
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Technical parameters - AM ucho [M10] - magnetic accessories
Specification / characteristics - AM ucho [M10] - magnetic accessories
| properties | values |
|---|---|
| Cat. no. | 080346 |
| GTIN/EAN | 5906301812494 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 71.5 g |
| Load capacity ~ ? | 320.00 kg / 3138.13 N |
| Manufacturing Tolerance | ±1 mm |
Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
| properties | values | units |
|---|---|---|
| Vickers hardness | ≥550 | Hv |
| Density | ≥7.4 | g/cm3 |
| Curie Temperature TC | 312 - 380 | °C |
| Curie Temperature TF | 593 - 716 | °F |
| Specific resistance | 150 | μΩ⋅cm |
| Bending strength | 250 | MPa |
| Compressive strength | 1000~1100 | MPa |
| Thermal expansion parallel (∥) to orientation (M) | (3-4) x 10-6 | °C-1 |
| Thermal expansion perpendicular (⊥) to orientation (M) | -(1-3) x 10-6 | °C-1 |
| Young's modulus | 1.7 x 104 | kg/mm² |
Material specification
| iron (Fe) | 64% – 68% |
| neodymium (Nd) | 29% – 32% |
| boron (B) | 1.1% – 1.2% |
| dysprosium (Dy) | 0.5% – 2.0% |
| coating (Ni-Cu-Ni) | < 0.05% |
Ecology and recycling (GPSR)
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Advantages as well as disadvantages of Nd2Fe14B magnets.
Advantages
- They retain magnetic properties for nearly 10 years – the loss is just ~1% (based on simulations),
- Neodymium magnets prove to be exceptionally resistant to magnetic field loss caused by magnetic disturbances,
- By covering with a reflective coating of silver, the element acquires an aesthetic look,
- Magnets possess excellent magnetic induction on the surface,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- Thanks to flexibility in designing and the ability to adapt to complex applications,
- Wide application in modern technologies – they find application in computer drives, drive modules, advanced medical instruments, and technologically advanced constructions.
- Thanks to their power density, small magnets offer high operating force, with minimal size,
Limitations
- They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also increases its resistance to damage
- We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation and corrosion.
- Limited ability of creating nuts in the magnet and complex shapes - preferred is a housing - magnet mounting.
- Possible danger related to microscopic parts of magnets pose a threat, in case of ingestion, which is particularly important in the context of child health protection. It is also worth noting that tiny parts of these devices are able to complicate diagnosis medical after entering the body.
- Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications
Lifting parameters
Maximum lifting force for a neodymium magnet – what it depends on?
- with the contact of a yoke made of low-carbon steel, ensuring maximum field concentration
- with a thickness no less than 10 mm
- with an ground touching surface
- with zero gap (no impurities)
- for force applied at a right angle (in the magnet axis)
- at standard ambient temperature
Determinants of practical lifting force of a magnet
- Air gap (between the magnet and the plate), since even a tiny distance (e.g. 0.5 mm) leads to a decrease in lifting capacity by up to 50% (this also applies to paint, rust or debris).
- Direction of force – highest force is reached only during perpendicular pulling. The resistance to sliding of the magnet along the surface is standardly many times smaller (approx. 1/5 of the lifting capacity).
- Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of converting into lifting capacity.
- Steel type – low-carbon steel gives the best results. Higher carbon content reduce magnetic properties and lifting capacity.
- Plate texture – ground elements ensure maximum contact, which improves field saturation. Uneven metal reduce efficiency.
- Thermal factor – high temperature reduces magnetic field. Too high temperature can permanently damage the magnet.
Lifting capacity testing was carried out on a smooth plate of optimal thickness, under perpendicular forces, in contrast under parallel forces the holding force is lower. Additionally, even a slight gap between the magnet and the plate lowers the lifting capacity.
Safe handling of neodymium magnets
Magnetic media
Intense magnetic fields can corrupt files on payment cards, hard drives, and other magnetic media. Keep a distance of at least 10 cm.
Respect the power
Before starting, read the rules. Uncontrolled attraction can break the magnet or hurt your hand. Think ahead.
Crushing risk
Large magnets can smash fingers instantly. Never put your hand between two strong magnets.
Mechanical processing
Combustion risk: Rare earth powder is highly flammable. Avoid machining magnets in home conditions as this may cause fire.
Phone sensors
GPS units and smartphones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can ruin the sensors in your phone.
Power loss in heat
Standard neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. The loss of strength is permanent.
This is not a toy
Absolutely keep magnets out of reach of children. Choking hazard is high, and the consequences of magnets connecting inside the body are fatal.
Medical implants
Individuals with a pacemaker must keep an large gap from magnets. The magnetic field can disrupt the functioning of the life-saving device.
Nickel allergy
Certain individuals experience a hypersensitivity to nickel, which is the standard coating for neodymium magnets. Prolonged contact might lead to an allergic reaction. We suggest use safety gloves.
Material brittleness
NdFeB magnets are sintered ceramics, meaning they are prone to chipping. Collision of two magnets leads to them shattering into small pieces.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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