RM R1 - 10000 Gs / N52 - magnetic distributor
magnetic distributor
Catalog no 280251
GTIN/EAN: 5906301814429
Weight
0.01 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
141.45 ZŁ with VAT / pcs + price for transport
115.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Physical properties - RM R1 - 10000 Gs / N52 - magnetic distributor
Specification / characteristics - RM R1 - 10000 Gs / N52 - magnetic distributor
| properties | values |
|---|---|
| Cat. no. | 280251 |
| GTIN/EAN | 5906301814429 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 0.01 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% |
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 as well as cons of rare earth magnets.
Pros
- Their magnetic field is maintained, and after approximately 10 years it drops only by ~1% (theoretically),
- They do not lose their magnetic properties even under strong external field,
- The use of an refined coating of noble metals (nickel, gold, silver) causes the element to present itself better,
- The surface of neodymium magnets generates a strong magnetic field – this is one of their assets,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of exact machining and modifying to concrete conditions,
- Significant place in high-tech industry – they are utilized in HDD drives, electric motors, medical devices, and other advanced devices.
- Thanks to efficiency per cm³, small magnets offer high operating force, occupying minimum space,
Cons
- They are fragile upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
- We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
- Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- Limited possibility of making nuts in the magnet and complicated shapes - preferred is a housing - mounting mechanism.
- Potential hazard to health – tiny shards of magnets can be dangerous, in case of ingestion, which is particularly important in the context of child health protection. Additionally, small components of these magnets are able to be problematic in diagnostics medical in case of swallowing.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which can limit application in large quantities
Lifting parameters
Maximum magnetic pulling force – what contributes to it?
- with the use of a sheet made of special test steel, guaranteeing full magnetic saturation
- possessing a thickness of min. 10 mm to avoid saturation
- with a plane cleaned and smooth
- under conditions of gap-free contact (metal-to-metal)
- under axial application of breakaway force (90-degree angle)
- at ambient temperature approx. 20 degrees Celsius
Determinants of practical lifting force of a magnet
- Distance – the presence of any layer (paint, dirt, gap) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
- Pull-off angle – note that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the maximum value.
- Element thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
- Chemical composition of the base – low-carbon steel gives the best results. Higher carbon content decrease magnetic permeability and lifting capacity.
- Surface condition – smooth surfaces ensure maximum contact, which improves force. Uneven metal reduce efficiency.
- Temperature – heating the magnet results in weakening of force. It is worth remembering the thermal limit for a given model.
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under attempts to slide the magnet the holding force is lower. In addition, even a minimal clearance between the magnet and the plate decreases the holding force.
Warnings
Flammability
Powder produced during machining of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.
Power loss in heat
Avoid heat. Neodymium magnets are sensitive to temperature. If you need operation above 80°C, inquire about special high-temperature series (H, SH, UH).
Avoid contact if allergic
Some people suffer from a contact allergy to Ni, which is the typical protective layer for NdFeB magnets. Extended handling might lead to an allergic reaction. We recommend use protective gloves.
Immense force
Be careful. Neodymium magnets attract from a distance and snap with huge force, often faster than you can react.
Serious injuries
Danger of trauma: The attraction force is so great that it can result in hematomas, crushing, and broken bones. Protective gloves are recommended.
Protect data
Avoid bringing magnets close to a purse, computer, or screen. The magnetic field can irreversibly ruin these devices and erase data from cards.
Impact on smartphones
Navigation devices and smartphones are extremely susceptible to magnetic fields. Direct contact with a powerful NdFeB magnet can permanently damage the internal compass in your phone.
Choking Hazard
NdFeB magnets are not toys. Swallowing a few magnets may result in them attracting across intestines, which constitutes a severe health hazard and requires urgent medical intervention.
Protective goggles
NdFeB magnets are ceramic materials, meaning they are prone to chipping. Clashing of two magnets will cause them breaking into small pieces.
Pacemakers
For implant holders: Strong magnetic fields disrupt medical devices. Keep at least 30 cm distance or request help to work with the magnets.
Tabela kosztu i czasu dostawy
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