NC NeoCube fi 5 mm kuleczki srebrne / N38 - neocube
neocube
Catalog no 120228
GTIN/EAN: 5906301812678
Weight
145 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
49.99 ZŁ with VAT / pcs + price for transport
40.64 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical data of the product - NC NeoCube fi 5 mm kuleczki srebrne / N38 - neocube
Specification / characteristics - NC NeoCube fi 5 mm kuleczki srebrne / N38 - neocube
| properties | values |
|---|---|
| Cat. no. | 120228 |
| GTIN/EAN | 5906301812678 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 145 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 |
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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Pros and cons of Nd2Fe14B magnets.
Advantages
- They do not lose strength, even after around ten years – the decrease in strength is only ~1% (theoretically),
- They show high resistance to demagnetization induced by external magnetic fields,
- In other words, due to the shiny layer of gold, the element becomes visually attractive,
- Magnets have excellent magnetic induction on the working surface,
- Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of exact machining and optimizing to precise applications,
- Wide application in high-tech industry – they are utilized in mass storage devices, electric drive systems, advanced medical instruments, also complex engineering applications.
- Thanks to their power density, small magnets offer high operating force, with minimal size,
Disadvantages
- Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We advise keeping them in a strong case, which not only secures them against impacts but also raises their durability
- Neodymium magnets lose their force 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 durability even at temperatures up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- We recommend casing - magnetic mount, due to difficulties in producing threads inside the magnet and complex forms.
- Possible danger resulting from small fragments of magnets are risky, in case of ingestion, which becomes key in the context of child safety. Furthermore, tiny parts of these products can disrupt the diagnostic process medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Holding force characteristics
Maximum holding power of the magnet – what contributes to it?
- on a plate made of structural steel, effectively closing the magnetic flux
- possessing a thickness of at least 10 mm to avoid saturation
- with a surface perfectly flat
- without the slightest air gap between the magnet and steel
- under vertical application of breakaway force (90-degree angle)
- at conditions approx. 20°C
What influences lifting capacity in practice
- Gap between surfaces – even a fraction of a millimeter of separation (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops drastically, often to levels of 20-30% of the nominal value.
- Steel thickness – insufficiently thick plate does not close the flux, causing part of the power to be lost to the other side.
- Material type – ideal substrate is pure iron steel. Cast iron may attract less.
- Surface finish – full contact is obtained only on smooth steel. Rough texture create air cushions, weakening the magnet.
- Thermal factor – high temperature reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity was assessed using a steel plate with a smooth surface of suitable thickness (min. 20 mm), under perpendicular pulling force, however under parallel forces the holding force is lower. Moreover, even a minimal clearance between the magnet and the plate reduces the holding force.
Safety rules for work with neodymium magnets
Protective goggles
Protect your eyes. Magnets can explode upon violent connection, ejecting shards into the air. We recommend safety glasses.
Warning for heart patients
Medical warning: Neodymium magnets can deactivate pacemakers and defibrillators. Do not approach if you have electronic implants.
Demagnetization risk
Standard neodymium magnets (grade N) lose power when the temperature surpasses 80°C. The loss of strength is permanent.
Keep away from electronics
An intense magnetic field disrupts the operation of compasses in smartphones and GPS navigation. Keep magnets close to a device to avoid damaging the sensors.
Warning for allergy sufferers
Certain individuals experience a contact allergy to nickel, which is the typical protective layer for neodymium magnets. Frequent touching can result in a rash. We strongly advise wear safety gloves.
Dust is flammable
Combustion risk: Neodymium dust is highly flammable. Do not process magnets without safety gear as this risks ignition.
Do not underestimate power
Before starting, check safety instructions. Sudden snapping can break the magnet or hurt your hand. Be predictive.
Magnetic media
Data protection: Neodymium magnets can ruin payment cards and sensitive devices (heart implants, medical aids, timepieces).
No play value
Absolutely keep magnets away from children. Choking hazard is high, and the consequences of magnets clamping inside the body are very dangerous.
Bone fractures
Big blocks can crush fingers in a fraction of a second. Never put your hand between two strong magnets.
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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