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 - 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% |
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 and weaknesses of neodymium magnets.
Benefits
- They virtually do not lose strength, because even after ten years the performance loss is only ~1% (in laboratory conditions),
- Magnets perfectly resist against demagnetization caused by foreign field sources,
- By applying a shiny coating of silver, the element presents an modern look,
- Magnets have exceptionally strong magnetic induction on the active area,
- 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...
- Thanks to flexibility in constructing and the ability to adapt to complex applications,
- Wide application in modern industrial fields – they are used in computer drives, electric drive systems, medical devices, also complex engineering applications.
- Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,
Limitations
- To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
- Neodymium magnets lose their force 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. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation as well as corrosion.
- Limited possibility of creating threads in the magnet and complicated forms - preferred is casing - magnet mounting.
- Possible danger resulting from small fragments of magnets are risky, if swallowed, which is particularly important in the aspect of protecting the youngest. Additionally, small elements of these magnets are able to complicate diagnosis medical when they are in the body.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Lifting parameters
Best holding force of the magnet in ideal parameters – what it depends on?
- on a plate made of structural steel, effectively closing the magnetic flux
- with a thickness of at least 10 mm
- with a plane cleaned and smooth
- under conditions of ideal adhesion (metal-to-metal)
- for force acting at a right angle (in the magnet axis)
- in stable room temperature
Lifting capacity in practice – influencing factors
- Distance – existence of any layer (rust, tape, gap) acts as an insulator, which reduces capacity rapidly (even by 50% at 0.5 mm).
- Loading method – declared lifting capacity refers to detachment vertically. When slipping, the magnet holds significantly lower power (typically approx. 20-30% of nominal force).
- Base massiveness – too thin plate does not close the flux, causing part of the power to be wasted into the air.
- Steel grade – ideal substrate is pure iron steel. Cast iron may attract less.
- Surface structure – the more even the plate, the better the adhesion and higher the lifting capacity. Unevenness creates an air distance.
- Heat – neodymium magnets have a negative temperature coefficient. At higher temperatures they are weaker, and in frost gain strength (up to a certain limit).
Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the holding force.
Warnings
Demagnetization risk
Regular neodymium magnets (N-type) undergo demagnetization when the temperature surpasses 80°C. This process is irreversible.
Respect the power
Exercise caution. Rare earth magnets attract from a long distance and connect with huge force, often faster than you can move away.
Dust explosion hazard
Fire hazard: Rare earth powder is highly flammable. Avoid machining magnets without safety gear as this may cause fire.
Impact on smartphones
A strong magnetic field interferes with the operation of magnetometers in smartphones and GPS navigation. Do not bring magnets near a smartphone to prevent breaking the sensors.
Serious injuries
Danger of trauma: The attraction force is so great that it can result in blood blisters, pinching, and even bone fractures. Protective gloves are recommended.
Danger to the youngest
Only for adults. Tiny parts can be swallowed, leading to intestinal necrosis. Store out of reach of kids and pets.
Beware of splinters
NdFeB magnets are sintered ceramics, meaning they are prone to chipping. Collision of two magnets leads to them breaking into small pieces.
Protect data
Avoid bringing magnets near a wallet, computer, or screen. The magnetic field can permanently damage these devices and erase data from cards.
Medical implants
Individuals with a heart stimulator must maintain an large gap from magnets. The magnetism can stop the operation of the life-saving device.
Skin irritation risks
Some people suffer from a contact allergy to nickel, which is the standard coating for NdFeB magnets. Frequent touching may cause an allergic reaction. We recommend wear protective gloves.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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