NC NeoCube fi 5 mm kuleczki kolorowe / N38 - neocube
neocube
Catalog no 120229
GTIN/EAN: 5906301812685
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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Product card - NC NeoCube fi 5 mm kuleczki kolorowe / N38 - neocube
Specification / characteristics - NC NeoCube fi 5 mm kuleczki kolorowe / N38 - neocube
| properties | values |
|---|---|
| Cat. no. | 120229 |
| GTIN/EAN | 5906301812685 |
| 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 |
Chemical composition
| 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 more products
![UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread](https://cdn3.dhit.pl/graphics/products/umgw-60x30x15-m10-gz-bas.jpg "UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread")
Strengths and weaknesses of Nd2Fe14B magnets.
Strengths
- They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
- They maintain their magnetic properties even under close interference source,
- By covering with a smooth coating of silver, the element has an aesthetic look,
- They feature high magnetic induction at the operating surface, making them more effective,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
- Thanks to modularity in shaping and the ability to modify to client solutions,
- Universal use in high-tech industry – they are used in hard drives, electric motors, medical devices, as well as technologically advanced constructions.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which enables their usage in compact constructions
Weaknesses
- They are fragile upon heavy impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only protects the magnet but also increases 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 durability even at temperatures up to 230°C
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- Due to limitations in creating threads and complicated forms in magnets, we propose using cover - magnetic mount.
- Possible danger related to microscopic parts of magnets are risky, if swallowed, which becomes key in the context of child safety. Furthermore, small components of these products can disrupt the diagnostic process medical when they are in the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Pull force analysis
Breakaway strength of the magnet in ideal conditions – what contributes to it?
- using a sheet made of mild steel, serving as a ideal flux conductor
- possessing a thickness of at least 10 mm to avoid saturation
- with a plane free of scratches
- with total lack of distance (without coatings)
- under vertical force vector (90-degree angle)
- at standard ambient temperature
Key elements affecting lifting force
- Clearance – existence of any layer (rust, tape, air) interrupts the magnetic circuit, which reduces power rapidly (even by 50% at 0.5 mm).
- Loading method – catalog parameter refers to detachment vertically. When slipping, the magnet holds much less (often approx. 20-30% of maximum force).
- Wall thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
- Steel type – low-carbon steel attracts best. Alloy steels reduce magnetic properties and holding force.
- Smoothness – ideal contact is obtained only on polished steel. Rough texture create air cushions, weakening the magnet.
- Temperature – heating the magnet results in weakening of induction. It is worth remembering the thermal limit for a given model.
Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, however under attempts to slide the magnet the load capacity is reduced by as much as 75%. Additionally, even a slight gap between the magnet’s surface and the plate decreases the lifting capacity.
Precautions when working with neodymium magnets
Powerful field
Handle with care. Neodymium magnets attract from a long distance and snap with massive power, often faster than you can move away.
Danger to pacemakers
Warning for patients: Strong magnetic fields affect electronics. Keep at least 30 cm distance or request help to handle the magnets.
Heat warning
Monitor thermal conditions. Heating the magnet to high heat will destroy its properties and strength.
Flammability
Powder generated during grinding of magnets is self-igniting. Do not drill into magnets without proper cooling and knowledge.
Cards and drives
Avoid bringing magnets near a wallet, computer, or screen. The magnetic field can destroy these devices and erase data from cards.
Compass and GPS
A powerful magnetic field interferes with the operation of magnetometers in phones and navigation systems. Maintain magnets close to a device to prevent breaking the sensors.
Bone fractures
Risk of injury: The pulling power is so great that it can cause blood blisters, crushing, and even bone fractures. Protective gloves are recommended.
Keep away from children
Neodymium magnets are not suitable for play. Eating multiple magnets may result in them connecting inside the digestive tract, which constitutes a critical condition and necessitates urgent medical intervention.
Risk of cracking
Beware of splinters. Magnets can fracture upon uncontrolled impact, launching sharp fragments into the air. Wear goggles.
Nickel coating and allergies
Studies show that the nickel plating (standard magnet coating) is a strong allergen. If you have an allergy, avoid direct skin contact and select versions in plastic housing.
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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