RM R5 - 4000 Gs / N52 - magnetic distributor
magnetic distributor
Catalog no 280255
GTIN/EAN: 5906301814467
Weight
47 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
66.42 ZŁ with VAT / pcs + price for transport
54.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical details - RM R5 - 4000 Gs / N52 - magnetic distributor
Specification / characteristics - RM R5 - 4000 Gs / N52 - magnetic distributor
| properties | values |
|---|---|
| Cat. no. | 280255 |
| GTIN/EAN | 5906301814467 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 47 g |
| Magnetization Direction | ↑ axial |
| Coating | [NiCuNi] Nickel |
| 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% |
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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Advantages as well as disadvantages of Nd2Fe14B magnets.
Benefits
- They do not lose magnetism, even over nearly ten years – the reduction in lifting capacity is only ~1% (according to tests),
- They do not lose their magnetic properties even under strong external field,
- Thanks to the shiny finish, the layer of nickel, gold-plated, or silver-plated gives an clean appearance,
- Magnets possess maximum magnetic induction on the outer layer,
- Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
- Thanks to versatility in constructing and the capacity to adapt to unusual requirements,
- Significant place in electronics industry – they serve a role in data components, brushless drives, precision medical tools, as well as multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in miniature devices
Limitations
- Brittleness is one of their disadvantages. Upon strong impact they can fracture. We advise keeping them in a steel housing, which not only secures them against impacts but also raises their durability
- When exposed to high temperature, neodymium magnets experience a drop in strength. 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
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- We recommend casing - magnetic mechanism, due to difficulties in creating nuts inside the magnet and complicated shapes.
- Potential hazard resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which gains importance in the context of child safety. Furthermore, small elements of these devices can disrupt the diagnostic process medical when they are in the body.
- Due to expensive raw materials, their price exceeds standard values,
Holding force characteristics
Best holding force of the magnet in ideal parameters – what affects it?
- with the application of a sheet made of special test steel, ensuring maximum field concentration
- possessing a massiveness of minimum 10 mm to ensure full flux closure
- with a surface cleaned and smooth
- without the slightest air gap between the magnet and steel
- for force applied at a right angle (in the magnet axis)
- at conditions approx. 20°C
Practical aspects of lifting capacity – factors
- Distance (between the magnet and the metal), as even a very small distance (e.g. 0.5 mm) can cause a decrease in lifting capacity by up to 50% (this also applies to paint, corrosion or dirt).
- Force direction – declared lifting capacity refers to detachment vertically. When attempting to slide, the magnet holds much less (often approx. 20-30% of nominal force).
- Wall thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of converting into lifting capacity.
- Chemical composition of the base – mild steel gives the best results. Higher carbon content reduce magnetic properties and lifting capacity.
- Surface quality – the more even the surface, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
- Temperature influence – high temperature weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity was determined by applying a polished steel plate of suitable thickness (min. 20 mm), under vertically applied force, however under shearing force the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate reduces the lifting capacity.
Safety rules for work with NdFeB magnets
Respect the power
Exercise caution. Rare earth magnets attract from a distance and snap with huge force, often quicker than you can move away.
Avoid contact if allergic
Studies show that nickel (standard magnet coating) is a potent allergen. If you have an allergy, prevent touching magnets with bare hands and choose encased magnets.
Life threat
People with a pacemaker have to maintain an safe separation from magnets. The magnetic field can interfere with the functioning of the implant.
Material brittleness
NdFeB magnets are sintered ceramics, which means they are fragile like glass. Collision of two magnets leads to them shattering into shards.
Crushing force
Large magnets can smash fingers in a fraction of a second. Under no circumstances put your hand betwixt two attracting surfaces.
Data carriers
Very strong magnetic fields can corrupt files on payment cards, hard drives, and other magnetic media. Stay away of min. 10 cm.
Do not overheat magnets
Standard neodymium magnets (N-type) undergo demagnetization when the temperature goes above 80°C. This process is irreversible.
Swallowing risk
These products are not intended for children. Eating several magnets may result in them pinching intestinal walls, which constitutes a severe health hazard and requires urgent medical intervention.
Dust explosion hazard
Combustion risk: Neodymium dust is explosive. Do not process magnets without safety gear as this may cause fire.
Magnetic interference
Remember: neodymium magnets generate a field that disrupts precision electronics. Keep a safe distance from your mobile, device, and navigation systems.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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Płatność przy odbiorze (pobranie):
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Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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