NC kulka fi 2 cale / N52 - neocube
neocube
Catalog no 120453
GTIN/EAN: 5906301812692
Weight
1098 g
Magnetization Direction
↑ axial
Coating
[Gold] Gold
1200.00 ZŁ with VAT / pcs + price for transport
975.61 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical data - NC kulka fi 2 cale / N52 - neocube
Specification / characteristics - NC kulka fi 2 cale / N52 - neocube
| properties | values |
|---|---|
| Cat. no. | 120453 |
| GTIN/EAN | 5906301812692 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 1098 g |
| Magnetization Direction | ↑ axial |
| Coating | [Gold] Gold |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N52
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 14.2-14.7 | kGs |
| remenance Br [min. - max.] ? | 1420-1470 | mT |
| coercivity bHc ? | 10.8-12.5 | kOe |
| coercivity bHc ? | 860-995 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 48-53 | BH max MGOe |
| energy density [min. - max.] ? | 380-422 | 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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Advantages and disadvantages of neodymium magnets.
Benefits
- Their power is maintained, and after approximately 10 years it decreases only by ~1% (according to research),
- They have excellent resistance to weakening of magnetic properties as a result of external magnetic sources,
- Thanks to the elegant finish, the surface of Ni-Cu-Ni, gold, or silver-plated gives an clean appearance,
- The surface of neodymium magnets generates a unique magnetic field – this is a key feature,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the form) even at a temperature of 230°C or more...
- Due to the potential of accurate shaping and customization to unique requirements, magnetic components can be produced in a wide range of forms and dimensions, which makes them more universal,
- Fundamental importance in high-tech industry – they find application in hard drives, electric motors, diagnostic systems, and other advanced devices.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in compact constructions
Cons
- They are fragile upon too strong impacts. To avoid cracks, it is worth protecting magnets in a protective case. Such protection not only shields the magnet but also improves its resistance to damage
- Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures 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 resistant to moisture, in case of application outdoors
- Limited possibility of making threads in the magnet and complex forms - recommended is cover - magnetic holder.
- Possible danger resulting from small fragments of magnets can be dangerous, in case of ingestion, which becomes key in the context of child health protection. It is also worth noting that tiny parts of these devices can complicate diagnosis medical in case of swallowing.
- Due to neodymium price, their price exceeds standard values,
Holding force characteristics
Maximum lifting force for a neodymium magnet – what contributes to it?
- with the contact of a sheet made of special test steel, ensuring full magnetic saturation
- with a cross-section of at least 10 mm
- characterized by lack of roughness
- with direct contact (without impurities)
- under perpendicular application of breakaway force (90-degree angle)
- at room temperature
Lifting capacity in practice – influencing factors
- Space between magnet and steel – even a fraction of a millimeter of separation (caused e.g. by varnish or unevenness) drastically reduces the pulling force, often by half at just 0.5 mm.
- Force direction – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
- Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of converting into lifting capacity.
- Steel grade – ideal substrate is pure iron steel. Hardened steels may have worse magnetic properties.
- Plate texture – smooth surfaces guarantee perfect abutment, which increases field saturation. Rough surfaces reduce efficiency.
- Thermal conditions – neodymium magnets have a sensitivity to temperature. When it is hot they lose power, and at low temperatures they can be stronger (up to a certain limit).
Lifting capacity testing was performed on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate decreases the lifting capacity.
Safety rules for work with neodymium magnets
GPS and phone interference
An intense magnetic field negatively affects the functioning of compasses in phones and GPS navigation. Do not bring magnets close to a device to avoid breaking the sensors.
Heat warning
Keep cool. NdFeB magnets are sensitive to heat. If you need resistance above 80°C, ask us about HT versions (H, SH, UH).
Life threat
Patients with a ICD should keep an absolute distance from magnets. The magnetic field can interfere with the functioning of the life-saving device.
Crushing force
Danger of trauma: The pulling power is so immense that it can cause hematomas, pinching, and broken bones. Protective gloves are recommended.
Electronic hazard
Intense magnetic fields can erase data on payment cards, HDDs, and storage devices. Stay away of at least 10 cm.
This is not a toy
Only for adults. Tiny parts pose a choking risk, leading to serious injuries. Keep out of reach of kids and pets.
Dust is flammable
Fire warning: Rare earth powder is highly flammable. Avoid machining magnets without safety gear as this may cause fire.
Conscious usage
Be careful. Rare earth magnets act from a distance and snap with massive power, often faster than you can move away.
Risk of cracking
Watch out for shards. Magnets can explode upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.
Nickel allergy
Allergy Notice: The Ni-Cu-Ni coating contains nickel. If an allergic reaction happens, immediately stop working with magnets and wear gloves.
Tabela kosztu i czasu dostawy
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Płatność przy odbiorze (pobranie):
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23.00 ZŁ
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