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
bulk discounts:
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Technical specification of the product - 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 |
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% |
Environmental data
| 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 rare earth magnets.
Benefits
- They do not lose power, even over around 10 years – the decrease in lifting capacity is only ~1% (based on measurements),
- They maintain their magnetic properties even under strong external field,
- The use of an metallic coating of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
- Neodymium magnets deliver maximum magnetic induction on a their surface, which increases force concentration,
- Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for action at temperatures reaching 230°C and above...
- Possibility of detailed shaping as well as adjusting to precise needs,
- Wide application in advanced technology sectors – they are commonly used in magnetic memories, electromotive mechanisms, diagnostic systems, and multitasking production systems.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Cons
- To avoid cracks under impact, we recommend using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
- When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
- Due to limitations in realizing nuts and complex shapes in magnets, we recommend using a housing - magnetic holder.
- Health risk resulting from small fragments of magnets can be dangerous, if swallowed, 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.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Pull force analysis
Magnetic strength at its maximum – what it depends on?
- with the contact of a sheet made of low-carbon steel, ensuring maximum field concentration
- possessing a thickness of minimum 10 mm to ensure full flux closure
- with a plane free of scratches
- with zero gap (no impurities)
- under perpendicular application of breakaway force (90-degree angle)
- in stable room temperature
Lifting capacity in real conditions – factors
- Space between surfaces – every millimeter of separation (caused e.g. by varnish or dirt) drastically reduces the pulling force, often by half at just 0.5 mm.
- Load vector – maximum parameter is reached only during pulling at a 90° angle. The shear force of the magnet along the plate is usually several times smaller (approx. 1/5 of the lifting capacity).
- Steel thickness – insufficiently thick plate causes magnetic saturation, causing part of the power to be escaped to the other side.
- Plate material – mild steel gives the best results. Alloy steels lower magnetic properties and lifting capacity.
- Surface structure – the more even the plate, the better the adhesion and higher the lifting capacity. Roughness creates an air distance.
- Operating temperature – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and in frost they can be stronger (up to a certain limit).
Holding force was measured on the plate surface of 20 mm thickness, when a perpendicular force was applied, whereas under parallel forces the holding force is lower. Additionally, even a small distance between the magnet’s surface and the plate reduces the holding force.
Warnings
Warning for allergy sufferers
Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If skin irritation happens, cease handling magnets and use protective gear.
Respect the power
Use magnets consciously. Their huge power can surprise even experienced users. Be vigilant and respect their power.
GPS and phone interference
Be aware: rare earth magnets produce a field that confuses precision electronics. Maintain a safe distance from your mobile, device, and navigation systems.
Warning for heart patients
Life threat: Neodymium magnets can deactivate heart devices and defibrillators. Stay away if you have electronic implants.
Data carriers
Avoid bringing magnets near a wallet, computer, or TV. The magnetism can destroy these devices and erase data from cards.
Physical harm
Large magnets can break fingers in a fraction of a second. Do not place your hand between two attracting surfaces.
Magnets are brittle
Despite metallic appearance, the material is delicate and cannot withstand shocks. Avoid impacts, as the magnet may crumble into hazardous fragments.
Combustion hazard
Powder produced during grinding of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.
Swallowing risk
Absolutely store magnets out of reach of children. Ingestion danger is high, and the effects of magnets clamping inside the body are life-threatening.
Heat warning
Do not overheat. NdFeB magnets are susceptible to heat. If you need resistance above 80°C, ask us about HT versions (H, SH, UH).
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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