RM R8 ULTRA - 13000 Gs / N52 - magnetic distributor
magnetic distributor
Catalog no 280400
GTIN/EAN: 5906301814498
Weight
382 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
200.00 ZŁ with VAT / pcs + price for transport
162.60 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical - RM R8 ULTRA - 13000 Gs / N52 - magnetic distributor
Specification / characteristics - RM R8 ULTRA - 13000 Gs / N52 - magnetic distributor
| properties | values |
|---|---|
| Cat. no. | 280400 |
| GTIN/EAN | 5906301814498 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 382 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% |
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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Strengths as well as weaknesses of rare earth magnets.
Advantages
- Their magnetic field is durable, and after around 10 years it drops only by ~1% (according to research),
- They are extremely resistant to demagnetization induced by external magnetic fields,
- The use of an metallic coating of noble metals (nickel, gold, silver) causes the element to have aesthetics,
- Magnetic induction on the top side of the magnet is extremely intense,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can function (depending on the shape) even at a temperature of 230°C or more...
- Considering the possibility of precise shaping and customization to individualized requirements, NdFeB magnets can be created in a broad palette of shapes and sizes, which increases their versatility,
- Universal use in advanced technology sectors – they are utilized in hard drives, electromotive mechanisms, precision medical tools, also technologically advanced constructions.
- Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,
Weaknesses
- Brittleness is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a strong case, which not only protects them against impacts but also raises their durability
- When exposed to high temperature, neodymium magnets suffer 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 - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in realizing nuts and complicated shapes in magnets, we propose using a housing - magnetic mount.
- Health risk related to microscopic parts of magnets pose a threat, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. It is also worth noting that small components of these products can complicate diagnosis medical in case of swallowing.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Pull force analysis
Optimal lifting capacity of a neodymium magnet – what affects it?
- with the contact of a sheet made of low-carbon steel, ensuring full magnetic saturation
- with a cross-section no less than 10 mm
- with a surface cleaned and smooth
- under conditions of gap-free contact (metal-to-metal)
- during pulling in a direction vertical to the plane
- at ambient temperature approx. 20 degrees Celsius
Determinants of lifting force in real conditions
- Gap between surfaces – every millimeter of distance (caused e.g. by varnish or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
- Angle of force application – maximum parameter is available only during pulling at a 90° angle. The shear force of the magnet along the plate is usually many times smaller (approx. 1/5 of the lifting capacity).
- Wall thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of generating force.
- Steel grade – the best choice is high-permeability steel. Hardened steels may have worse magnetic properties.
- Surface finish – full contact is possible only on smooth steel. Any scratches and bumps create air cushions, reducing force.
- Temperature influence – hot environment weakens pulling force. Exceeding the limit temperature can permanently damage the magnet.
Lifting capacity was determined using a steel plate with a smooth surface of optimal thickness (min. 20 mm), under vertically applied force, in contrast under attempts to slide the magnet the holding force is lower. Moreover, even a minimal clearance between the magnet’s surface and the plate decreases the holding force.
Safety rules for work with NdFeB magnets
Mechanical processing
Machining of NdFeB material poses a fire hazard. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.
Bone fractures
Watch your fingers. Two powerful magnets will join instantly with a force of massive weight, destroying everything in their path. Exercise extreme caution!
Powerful field
Before use, check safety instructions. Uncontrolled attraction can break the magnet or hurt your hand. Think ahead.
Choking Hazard
Always keep magnets away from children. Ingestion danger is high, and the effects of magnets clamping inside the body are life-threatening.
Precision electronics
A strong magnetic field disrupts the operation of magnetometers in smartphones and GPS navigation. Keep magnets near a device to prevent breaking the sensors.
Shattering risk
Despite metallic appearance, neodymium is brittle and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.
Protect data
Data protection: Strong magnets can ruin payment cards and delicate electronics (heart implants, hearing aids, timepieces).
Allergic reactions
Nickel alert: The nickel-copper-nickel coating contains nickel. If redness happens, immediately stop working with magnets and use protective gear.
Operating temperature
Standard neodymium magnets (N-type) lose power when the temperature goes above 80°C. The loss of strength is permanent.
Medical interference
Health Alert: Neodymium magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.
Tabela kosztu i czasu dostawy
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