LM TLN - 15 SQ / N38 - magnetic leviton
magnetic leviton
Catalog no 290493
GTIN/EAN: 5906301814511
Weight
1000 g
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Technical of the product - LM TLN - 15 SQ / N38 - magnetic leviton
Specification / characteristics - LM TLN - 15 SQ / N38 - magnetic leviton
| properties | values |
|---|---|
| Cat. no. | 290493 |
| GTIN/EAN | 5906301814511 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 1000 g |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N38
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 12.2-12.6 | kGs |
| remenance Br [min. - max.] ? | 1220-1260 | mT |
| coercivity bHc ? | 10.8-11.5 | kOe |
| coercivity bHc ? | 860-915 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 36-38 | BH max MGOe |
| energy density [min. - max.] ? | 287-303 | 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% |
Sustainability
| 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 rare earth magnets.
Benefits
- They have constant strength, and over nearly ten years their performance decreases symbolically – ~1% (in testing),
- They have excellent resistance to magnetism drop when exposed to external magnetic sources,
- Thanks to the elegant finish, the layer of nickel, gold, or silver gives an professional appearance,
- Magnets have exceptionally strong magnetic induction on the surface,
- Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of detailed modeling and adapting to concrete applications,
- Wide application in modern industrial fields – they find application in data components, brushless drives, medical equipment, as well as industrial machines.
- Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,
Cons
- At strong impacts they can break, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
- When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- They oxidize in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in producing nuts and complex forms in magnets, we recommend using a housing - magnetic holder.
- Health risk to health – tiny shards of magnets are risky, in case of ingestion, which is particularly important in the aspect of protecting the youngest. It is also worth noting that small components of these devices can disrupt the diagnostic process medical in case of swallowing.
- With mass production the cost of neodymium magnets is a challenge,
Lifting parameters
Maximum lifting capacity of the magnet – what contributes to it?
- on a block made of structural steel, perfectly concentrating the magnetic field
- whose thickness equals approx. 10 mm
- with a plane free of scratches
- without any air gap between the magnet and steel
- during pulling in a direction vertical to the plane
- in neutral thermal conditions
Key elements affecting lifting force
- Distance (betwixt the magnet and the metal), because even a very small distance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
- Load vector – highest force is obtained only during perpendicular pulling. The resistance to sliding of the magnet along the surface is standardly many times smaller (approx. 1/5 of the lifting capacity).
- Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet restricts the lifting capacity (the magnet "punches through" it).
- Material composition – not every steel attracts identically. High carbon content worsen the interaction with the magnet.
- Surface structure – the smoother and more polished the surface, the larger the contact zone and stronger the hold. Unevenness acts like micro-gaps.
- Temperature – heating the magnet causes a temporary drop of induction. Check the maximum operating temperature for a given model.
Lifting capacity testing was conducted on a smooth plate of optimal thickness, under a perpendicular pulling force, in contrast under parallel forces the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate reduces the holding force.
Safe handling of neodymium magnets
Warning for heart patients
Health Alert: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have electronic implants.
Demagnetization risk
Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. This process is irreversible.
This is not a toy
Adult use only. Small elements can be swallowed, causing intestinal necrosis. Keep away from children and animals.
Keep away from electronics
GPS units and mobile phones are extremely sensitive to magnetic fields. Close proximity with a strong magnet can decalibrate the internal compass in your phone.
Safe distance
Intense magnetic fields can erase data on credit cards, HDDs, and storage devices. Keep a distance of min. 10 cm.
Immense force
Handle with care. Neodymium magnets attract from a long distance and connect with huge force, often quicker than you can move away.
Mechanical processing
Dust generated during machining of magnets is combustible. Avoid drilling into magnets unless you are an expert.
Shattering risk
Protect your eyes. Magnets can fracture upon violent connection, ejecting sharp fragments into the air. Wear goggles.
Nickel allergy
Medical facts indicate that nickel (standard magnet coating) is a potent allergen. If you have an allergy, refrain from direct skin contact or choose coated magnets.
Hand protection
Pinching hazard: The pulling power is so immense that it can result in blood blisters, crushing, and even bone fractures. Protective gloves are recommended.
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
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12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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