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
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Technical of the product - 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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Advantages and disadvantages of neodymium magnets.
Pros
- They do not lose magnetism, even during approximately 10 years – the drop in lifting capacity is only ~1% (according to tests),
- Neodymium magnets remain highly resistant to magnetic field loss caused by external field sources,
- In other words, due to the smooth surface of nickel, the element becomes visually attractive,
- They show high magnetic induction at the operating surface, making them more effective,
- Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can function (depending on the shape) even at a temperature of 230°C or more...
- Thanks to freedom in shaping and the ability to adapt to unusual requirements,
- Key role in modern industrial fields – they serve a role in data components, electric motors, medical devices, as well as other advanced devices.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Cons
- At strong impacts they can crack, therefore we recommend placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
- Neodymium magnets lose their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. 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. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
- Limited ability of creating nuts in the magnet and complicated shapes - preferred is cover - magnetic holder.
- Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which becomes key in the context of child health protection. Furthermore, tiny parts of these products are able to complicate diagnosis 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 hinders application in large quantities
Pull force analysis
Highest magnetic holding force – what it depends on?
- with the application of a yoke made of low-carbon steel, ensuring full magnetic saturation
- whose thickness equals approx. 10 mm
- characterized by lack of roughness
- with total lack of distance (no impurities)
- for force acting at a right angle (in the magnet axis)
- at ambient temperature approx. 20 degrees Celsius
Practical lifting capacity: influencing factors
- Space between surfaces – every millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
- Pull-off angle – remember that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
- Element thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
- Material type – the best choice is high-permeability steel. Stainless steels may generate lower lifting capacity.
- Smoothness – full contact is obtained only on polished steel. Any scratches and bumps reduce the real contact area, reducing force.
- Thermal factor – high temperature reduces pulling force. Exceeding the limit temperature can permanently damage the magnet.
Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a minimal clearance between the magnet and the plate lowers the holding force.
H&S for magnets
Dust explosion hazard
Fire warning: Rare earth powder is explosive. Avoid machining magnets without safety gear as this may cause fire.
Do not underestimate power
Before use, read the rules. Uncontrolled attraction can destroy the magnet or hurt your hand. Be predictive.
Avoid contact if allergic
A percentage of the population suffer from a sensitization to Ni, which is the typical protective layer for neodymium magnets. Prolonged contact can result in dermatitis. We recommend wear safety gloves.
Protect data
Do not bring magnets close to a wallet, laptop, or TV. The magnetic field can destroy these devices and wipe information from cards.
GPS and phone interference
Navigation devices and smartphones are highly susceptible to magnetic fields. Direct contact with a powerful NdFeB magnet can ruin the internal compass in your phone.
Magnets are brittle
Protect your eyes. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Wear goggles.
Serious injuries
Risk of injury: The pulling power is so great that it can result in blood blisters, crushing, and broken bones. Use thick gloves.
Do not overheat magnets
Monitor thermal conditions. Heating the magnet to high heat will ruin its properties and strength.
Keep away from children
NdFeB magnets are not intended for children. Accidental ingestion of a few magnets may result in them attracting across intestines, which constitutes a direct threat to life and requires urgent medical intervention.
Implant safety
Warning for patients: Powerful magnets disrupt medical devices. Keep at least 30 cm distance or request help to handle the magnets.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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14.99 ZŁ
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Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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