RM R7 SUPER - 13000 Gs / N52 - magnetic distributor
magnetic distributor
Catalog no 280399
GTIN/EAN: 5906301814481
Weight
366 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
160.00 ZŁ with VAT / pcs + price for transport
130.08 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical parameters - RM R7 SUPER - 13000 Gs / N52 - magnetic distributor
Specification / characteristics - RM R7 SUPER - 13000 Gs / N52 - magnetic distributor
| properties | values |
|---|---|
| Cat. no. | 280399 |
| GTIN/EAN | 5906301814481 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 366 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 |
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 |
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Strengths as well as weaknesses of rare earth magnets.
Strengths
- Their magnetic field is maintained, and after around 10 years it drops only by ~1% (according to research),
- They feature excellent resistance to weakening of magnetic properties due to external fields,
- Thanks to the shimmering finish, the layer of Ni-Cu-Ni, gold, or silver-plated gives an clean appearance,
- Magnets exhibit impressive magnetic induction on the active area,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
- Thanks to freedom in constructing and the ability to adapt to specific needs,
- Fundamental importance in high-tech industry – they are utilized in computer drives, electric motors, medical equipment, and modern systems.
- Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,
Disadvantages
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also improves its resistance to damage
- Neodymium magnets decrease 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 stability even at temperatures up to 230°C
- When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation and corrosion.
- Due to limitations in producing threads and complicated forms in magnets, we recommend using cover - magnetic mechanism.
- Possible danger related to microscopic parts of magnets are risky, if swallowed, which becomes key in the context of child health protection. Additionally, tiny parts of these devices are able to disrupt the diagnostic process medical when they are in the body.
- Due to expensive raw materials, their price is higher than average,
Holding force characteristics
Best holding force of the magnet in ideal parameters – what it depends on?
- on a block made of mild steel, effectively closing the magnetic flux
- with a cross-section no less than 10 mm
- with a plane cleaned and smooth
- without the slightest clearance between the magnet and steel
- under axial application of breakaway force (90-degree angle)
- in stable room temperature
Impact of factors on magnetic holding capacity in practice
- Gap between magnet and steel – even a fraction of a millimeter of separation (caused e.g. by varnish or dirt) diminishes the pulling force, often by half at just 0.5 mm.
- Force direction – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet holds significantly lower power (often approx. 20-30% of maximum force).
- Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field penetrates through instead of generating force.
- Chemical composition of the base – low-carbon steel gives the best results. Alloy steels reduce magnetic properties and lifting capacity.
- Surface quality – the more even the plate, the larger the contact zone and stronger the hold. Roughness creates an air distance.
- Thermal conditions – neodymium magnets have a negative temperature coefficient. When it is hot they are weaker, and at low temperatures gain strength (up to a certain limit).
Lifting capacity was determined using a polished steel plate of optimal thickness (min. 20 mm), under vertically applied force, in contrast under shearing force the holding force is lower. Moreover, even a small distance between the magnet and the plate reduces the lifting capacity.
Warnings
Avoid contact if allergic
Studies show that the nickel plating (the usual finish) is a common allergen. For allergy sufferers, refrain from touching magnets with bare hands and choose coated magnets.
Electronic hazard
Powerful magnetic fields can corrupt files on payment cards, HDDs, and other magnetic media. Maintain a gap of min. 10 cm.
Fire risk
Machining of NdFeB material poses a fire risk. Magnetic powder reacts violently with oxygen and is difficult to extinguish.
Material brittleness
NdFeB magnets are sintered ceramics, which means they are prone to chipping. Impact of two magnets will cause them shattering into small pieces.
Magnetic interference
GPS units and smartphones are extremely sensitive to magnetism. Direct contact with a strong magnet can ruin the sensors in your phone.
Immense force
Use magnets with awareness. Their immense force can surprise even experienced users. Be vigilant and respect their power.
Danger to the youngest
NdFeB magnets are not toys. Eating a few magnets can lead to them pinching intestinal walls, which constitutes a direct threat to life and requires immediate surgery.
Physical harm
Pinching hazard: The attraction force is so great that it can cause hematomas, pinching, and broken bones. Protective gloves are recommended.
Danger to pacemakers
People with a ICD must maintain an safe separation from magnets. The magnetic field can stop the functioning of the life-saving device.
Power loss in heat
Standard neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. Damage is permanent.
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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