NC NeoCube 5 mm kwadraty / N38 - neocube
neocube
Catalog no 120227
GTIN/EAN: 5906301812661
Weight
216.5 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
49.99 ZŁ with VAT / pcs + price for transport
40.64 ZŁ net + 23% VAT / pcs
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Technical - NC NeoCube 5 mm kwadraty / N38 - neocube
Specification / characteristics - NC NeoCube 5 mm kwadraty / N38 - neocube
| properties | values |
|---|---|
| Cat. no. | 120227 |
| GTIN/EAN | 5906301812661 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 216.5 g |
| Magnetization Direction | ↑ axial |
| Coating | [NiCuNi] Nickel |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N38
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 12.2-12.6 | kGs |
| remenance Br [min. - max.] ? | 1220-1260 | mT |
| coercivity bHc ? | 10.8-11.5 | kOe |
| coercivity bHc ? | 860-915 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 36-38 | BH max MGOe |
| energy density [min. - max.] ? | 287-303 | BH max KJ/m |
| max. temperature ? | ≤ 80 | °C |
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 |
Elemental analysis
| 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 |
See also offers
Strengths as well as weaknesses of rare earth magnets.
Benefits
- They do not lose magnetism, even during around 10 years – the reduction in power is only ~1% (based on measurements),
- They are resistant to demagnetization induced by external field influence,
- Thanks to the smooth finish, the coating of nickel, gold, or silver gives an clean appearance,
- Magnetic induction on the surface of the magnet is strong,
- Through (adequate) combination of ingredients, they can achieve high thermal resistance, enabling action at temperatures approaching 230°C and above...
- Due to the potential of precise forming and customization to specialized solutions, magnetic components can be manufactured in a broad palette of geometric configurations, which expands the range of possible applications,
- Versatile presence in modern technologies – they are utilized in hard drives, motor assemblies, advanced medical instruments, also other advanced devices.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Disadvantages
- At very strong impacts they can break, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- Neodymium magnets lose their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- They oxidize in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Limited ability of creating nuts in the magnet and complex shapes - recommended is cover - magnetic holder.
- Potential hazard resulting from small fragments of magnets can be dangerous, if swallowed, which becomes key in the aspect of protecting the youngest. It is also worth noting that small components of these magnets can disrupt the diagnostic process medical when they are in the body.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which hinders application in large quantities
Holding force characteristics
Maximum holding power of the magnet – what affects it?
- on a block made of mild steel, perfectly concentrating the magnetic flux
- whose thickness is min. 10 mm
- characterized by lack of roughness
- under conditions of gap-free contact (metal-to-metal)
- under vertical force vector (90-degree angle)
- at temperature room level
Practical aspects of lifting capacity – factors
- Air gap (between the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) leads to a drastic drop in force by up to 50% (this also applies to paint, rust or dirt).
- Pull-off angle – note that the magnet has greatest strength perpendicularly. Under sliding down, the capacity drops drastically, often to levels of 20-30% of the nominal value.
- Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of converting into lifting capacity.
- Plate material – mild steel gives the best results. Alloy steels reduce magnetic properties and holding force.
- Smoothness – full contact is obtained only on polished steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
- Heat – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).
Holding force was checked on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, whereas under attempts to slide the magnet the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.
Safe handling of neodymium magnets
Keep away from children
Neodymium magnets are not toys. Accidental ingestion of several magnets can lead to them connecting inside the digestive tract, which constitutes a critical condition and requires urgent medical intervention.
Phone sensors
An intense magnetic field interferes with the functioning of magnetometers in smartphones and navigation systems. Do not bring magnets near a device to avoid breaking the sensors.
Data carriers
Powerful magnetic fields can corrupt files on credit cards, HDDs, and other magnetic media. Maintain a gap of at least 10 cm.
Permanent damage
Regular neodymium magnets (grade N) lose magnetization when the temperature exceeds 80°C. Damage is permanent.
Dust is flammable
Combustion risk: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this may cause fire.
Fragile material
Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. We recommend safety glasses.
Medical implants
People with a ICD should maintain an absolute distance from magnets. The magnetism can disrupt the operation of the life-saving device.
Warning for allergy sufferers
Medical facts indicate that the nickel plating (standard magnet coating) is a common allergen. For allergy sufferers, prevent direct skin contact and select coated magnets.
Finger safety
Risk of injury: The pulling power is so great that it can cause blood blisters, crushing, and even bone fractures. Protective gloves are recommended.
Handling guide
Before use, read the rules. Sudden snapping can destroy the magnet or injure your hand. Be predictive.
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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