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
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Physical properties - 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 |
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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Pros and cons of Nd2Fe14B magnets.
Benefits
- They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (in laboratory conditions),
- They have excellent resistance to weakening of magnetic properties when exposed to external fields,
- A magnet with a shiny gold surface is more attractive,
- Magnetic induction on the top side of the magnet remains strong,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can function (depending on the form) even at a temperature of 230°C or more...
- Thanks to modularity in shaping and the ability to customize to individual projects,
- Fundamental importance in advanced technology sectors – they are commonly used in data components, electromotive mechanisms, medical equipment, and multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which makes them useful in compact constructions
Weaknesses
- At very strong impacts they can crack, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
- When exposed to high temperature, neodymium magnets experience a drop in power. 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 recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
- Due to limitations in creating threads and complicated forms in magnets, we propose using cover - magnetic holder.
- Health risk to health – tiny shards of magnets are risky, in case of ingestion, which gains importance in the context of child safety. It is also worth noting that small elements of these magnets are able to be problematic in diagnostics medical in case of swallowing.
- Due to neodymium price, their price is relatively high,
Holding force characteristics
Detachment force of the magnet in optimal conditions – what it depends on?
- on a plate made of structural steel, effectively closing the magnetic field
- with a cross-section no less than 10 mm
- with a surface free of scratches
- with total lack of distance (no impurities)
- for force acting at a right angle (pull-off, not shear)
- at standard ambient temperature
Determinants of lifting force in real conditions
- Clearance – existence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
- Force direction – note that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
- Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
- Metal type – not every steel attracts identically. High carbon content worsen the interaction with the magnet.
- Surface finish – full contact is possible only on polished steel. Rough texture create air cushions, weakening the magnet.
- Thermal factor – hot environment reduces pulling force. Too high temperature can permanently demagnetize the magnet.
Holding force was measured on the plate surface of 20 mm thickness, when a perpendicular force was applied, whereas under parallel forces the lifting capacity is smaller. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the holding force.
Safe handling of neodymium magnets
Physical harm
Big blocks can smash fingers in a fraction of a second. Under no circumstances place your hand between two strong magnets.
Keep away from computers
Equipment safety: Neodymium magnets can ruin data carriers and delicate electronics (pacemakers, hearing aids, mechanical watches).
Immense force
Use magnets with awareness. Their huge power can surprise even experienced users. Be vigilant and do not underestimate their power.
Impact on smartphones
Navigation devices and smartphones are highly sensitive to magnetic fields. Direct contact with a powerful NdFeB magnet can permanently damage the sensors in your phone.
Medical implants
Warning for patients: Strong magnetic fields affect electronics. Maintain at least 30 cm distance or request help to work with the magnets.
Nickel coating and allergies
Some people have a hypersensitivity to nickel, which is the standard coating for neodymium magnets. Frequent touching may cause a rash. We suggest use safety gloves.
Product not for children
NdFeB magnets are not intended for children. Swallowing multiple magnets can lead to them attracting across intestines, which poses a severe health hazard and necessitates urgent medical intervention.
Power loss in heat
Regular neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. Damage is permanent.
Fire risk
Machining of neodymium magnets carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is hard to extinguish.
Magnet fragility
NdFeB magnets are sintered ceramics, meaning they are very brittle. Impact of two magnets will cause them breaking into shards.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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Płatność przy odbiorze (pobranie):
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23.00 ZŁ
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