AM lina fi 10 mm - magnetic accessories
magnetic accessories
Catalog no 080216
GTIN/EAN: 5906301812456
Weight
32 g
Load capacity
1592.00 kg / 15612.19 N
1.476 ZŁ with VAT / pcs + price for transport
1.200 ZŁ net + 23% VAT / pcs
bulk discounts:
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Strength as well as form of neodymium magnets can be checked with our
magnetic mass calculator.
Orders placed before 14:00 will be shipped the same business day.
Technical of the product - 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% |
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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Pros and cons of neodymium magnets.
Pros
- They have stable power, and over more than ten years their performance decreases symbolically – ~1% (according to theory),
- Magnets perfectly defend themselves against demagnetization caused by external fields,
- Thanks to the reflective finish, the layer of nickel, gold-plated, or silver-plated gives an visually attractive appearance,
- Neodymium magnets deliver maximum magnetic induction on a contact point, which ensures high operational effectiveness,
- Neodymium magnets are characterized by very high magnetic induction on the magnet surface and are able to act (depending on the form) even at a temperature of 230°C or more...
- Thanks to versatility in shaping and the ability to adapt to specific needs,
- Fundamental importance in innovative solutions – they are utilized in mass storage devices, motor assemblies, medical equipment, and multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which enables their usage in compact constructions
Weaknesses
- To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation as well as corrosion.
- Limited possibility of making threads in the magnet and complex shapes - preferred is a housing - magnet mounting.
- Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which becomes key in the context of child safety. Additionally, tiny parts of these magnets can complicate diagnosis medical when they are in the body.
- With budget limitations the cost of neodymium magnets can be a barrier,
Pull force analysis
Highest magnetic holding force – what affects it?
- with the use of a sheet made of special test steel, ensuring maximum field concentration
- whose transverse dimension reaches at least 10 mm
- with an polished touching surface
- under conditions of no distance (surface-to-surface)
- under perpendicular application of breakaway force (90-degree angle)
- in stable room temperature
Determinants of practical lifting force of a magnet
- Distance – existence of foreign body (rust, dirt, air) interrupts the magnetic circuit, which reduces capacity rapidly (even by 50% at 0.5 mm).
- Load vector – highest force is obtained only during perpendicular pulling. The shear force of the magnet along the surface is standardly many times lower (approx. 1/5 of the lifting capacity).
- Base massiveness – too thin plate does not close the flux, causing part of the power to be escaped to the other side.
- Plate material – mild steel attracts best. Higher carbon content decrease magnetic permeability and holding force.
- Plate texture – ground elements ensure maximum contact, which improves force. Uneven metal reduce efficiency.
- Thermal conditions – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and in frost they can be stronger (up to a certain limit).
Lifting capacity was measured with the use of a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular pulling force, however under attempts to slide the magnet the load capacity is reduced by as much as 5 times. Moreover, even a slight gap between the magnet’s surface and the plate reduces the lifting capacity.
Precautions when working with neodymium magnets
Product not for children
Strictly keep magnets out of reach of children. Ingestion danger is significant, and the effects of magnets connecting inside the body are life-threatening.
Health Danger
Warning for patients: Powerful magnets affect medical devices. Keep minimum 30 cm distance or request help to work with the magnets.
Safe operation
Exercise caution. Neodymium magnets act from a distance and connect with massive power, often quicker than you can move away.
Pinching danger
Danger of trauma: The pulling power is so great that it can cause hematomas, crushing, and even bone fractures. Use thick gloves.
Heat warning
Avoid heat. Neodymium magnets are sensitive to heat. If you need resistance above 80°C, ask us about HT versions (H, SH, UH).
Dust explosion hazard
Fire hazard: Rare earth powder is highly flammable. Avoid machining magnets without safety gear as this may cause fire.
Electronic hazard
Do not bring magnets near a wallet, computer, or TV. The magnetic field can permanently damage these devices and erase data from cards.
GPS Danger
A powerful magnetic field interferes with the functioning of magnetometers in smartphones and GPS navigation. Do not bring magnets close to a smartphone to prevent breaking the sensors.
Sensitization to coating
Studies show that the nickel plating (the usual finish) is a strong allergen. For allergy sufferers, avoid touching magnets with bare hands and opt for coated magnets.
Fragile material
NdFeB magnets are sintered ceramics, meaning they are fragile like glass. Impact of two magnets leads to them shattering into shards.
Tabela kosztu i czasu dostawy
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