AM lina fi 10 mm - magnetic accessories
magnetic accessories
Catalog no 080216
GTIN/EAN: 5906301812456
- Weight
- 32 g
1.476 zł with VAT / pcs + price for transport
1.200 zł net + 23% VAT / pcs
bulk discounts:
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Technical data - AM lina fi 10 mm - magnetic accessories
Specification / characteristics - AM lina fi 10 mm - magnetic accessories
| properties | values |
|---|---|
| Cat. no. | 080216 |
| GTIN/EAN | 5906301812456 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 32 g |
| Load capacity ~ ? | 1592.00 kg / 15612.19 N |
| Manufacturing Tolerance | ±1 mm |
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 |
Other proposals
Strengths as well as weaknesses of Nd2Fe14B magnets.
Benefits
- They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (based on calculations),
- They are resistant to demagnetization induced by presence of other magnetic fields,
- Thanks to the shiny finish, the coating of nickel, gold-plated, or silver gives an modern appearance,
- Neodymium magnets ensure maximum magnetic induction on a their surface, which allows for strong attraction,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Due to the ability of flexible molding and adaptation to unique needs, NdFeB magnets can be produced in a wide range of shapes and sizes, which increases their versatility,
- Huge importance in future technologies – they are utilized in computer drives, drive modules, medical equipment, as well as industrial machines.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Disadvantages
- At very strong impacts they can crack, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- NdFeB magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
- Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
- We suggest cover - magnetic holder, due to difficulties in creating threads inside the magnet and complex forms.
- Potential hazard related to microscopic parts of magnets can be dangerous, in case of ingestion, which gains importance in the aspect of protecting the youngest. Furthermore, tiny parts of these products can disrupt the diagnostic process medical after entering the body.
- Due to neodymium price, their price is higher than average,
Lifting parameters
Maximum lifting capacity of the magnet – what it depends on?
- with the contact of a sheet made of low-carbon steel, ensuring maximum field concentration
- whose thickness is min. 10 mm
- characterized by lack of roughness
- with total lack of distance (without impurities)
- for force applied at a right angle (pull-off, not shear)
- at standard ambient temperature
Determinants of lifting force in real conditions
- Distance – the presence of foreign body (rust, dirt, gap) interrupts the magnetic circuit, which reduces power rapidly (even by 50% at 0.5 mm).
- Angle of force application – highest force is obtained only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is usually several times smaller (approx. 1/5 of the lifting capacity).
- Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of generating force.
- Metal type – different alloys attracts identically. Alloy additives weaken the attraction effect.
- Plate texture – smooth surfaces guarantee perfect abutment, which improves force. Rough surfaces reduce efficiency.
- Temperature – heating the magnet results in weakening of induction. It is worth remembering the thermal limit for a given model.
Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under shearing force the load capacity is reduced by as much as 5 times. Moreover, even a small distance between the magnet and the plate lowers the load capacity.
Precautions when working with NdFeB magnets
Do not drill into magnets
Machining of neodymium magnets poses a fire hazard. Magnetic powder oxidizes rapidly with oxygen and is hard to extinguish.
Magnetic media
Data protection: Neodymium magnets can damage payment cards and delicate electronics (heart implants, hearing aids, mechanical watches).
Danger to the youngest
Product intended for adults. Tiny parts can be swallowed, leading to intestinal necrosis. Store away from kids and pets.
Permanent damage
Standard neodymium magnets (N-type) undergo demagnetization when the temperature surpasses 80°C. This process is irreversible.
Bodily injuries
Big blocks can crush fingers in a fraction of a second. Do not put your hand betwixt two attracting surfaces.
Avoid contact if allergic
Some people have a hypersensitivity to Ni, which is the typical protective layer for neodymium magnets. Frequent touching might lead to dermatitis. We strongly advise wear safety gloves.
Eye protection
Neodymium magnets are ceramic materials, meaning they are fragile like glass. Collision of two magnets will cause them shattering into shards.
Health Danger
Patients with a ICD should keep an absolute distance from magnets. The magnetic field can stop the functioning of the life-saving device.
Handling rules
Before use, check safety instructions. Uncontrolled attraction can destroy the magnet or hurt your hand. Think ahead.
GPS and phone interference
An intense magnetic field interferes with the operation of compasses in phones and navigation systems. Keep magnets near a smartphone to avoid breaking the sensors.
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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