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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Technical details - 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 |
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% |
Ecology and recycling (GPSR)
| 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 have stable power, and over more than 10 years their performance decreases symbolically – ~1% (according to theory),
- Neodymium magnets prove to be exceptionally resistant to demagnetization caused by external magnetic fields,
- By using a shiny coating of nickel, the element presents an nice look,
- Neodymium magnets deliver maximum magnetic induction on a small surface, which allows for strong attraction,
- Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of custom forming as well as adjusting to individual requirements,
- Wide application in innovative solutions – they find application in magnetic memories, electromotive mechanisms, advanced medical instruments, also modern systems.
- Thanks to their power density, small magnets offer high operating force, occupying minimum space,
Cons
- To avoid cracks upon strong impacts, we recommend using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
- When exposed to high temperature, neodymium magnets experience a drop in force. 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
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
- Due to limitations in producing nuts and complex shapes in magnets, we propose using a housing - magnetic mechanism.
- Possible danger to health – tiny shards of magnets are risky, in case of ingestion, which is particularly important in the aspect of protecting the youngest. Furthermore, small elements of these magnets are able to complicate diagnosis medical after entering the body.
- Due to complex production process, their price is relatively high,
Lifting parameters
Magnetic strength at its maximum – what contributes to it?
- using a plate made of mild steel, functioning as a circuit closing element
- possessing a massiveness of at least 10 mm to ensure full flux closure
- characterized by smoothness
- without any air gap between the magnet and steel
- for force applied at a right angle (pull-off, not shear)
- in neutral thermal conditions
Determinants of lifting force in real conditions
- Clearance – the presence of foreign body (rust, dirt, gap) acts as an insulator, which lowers power steeply (even by 50% at 0.5 mm).
- Loading method – catalog parameter refers to pulling vertically. When slipping, the magnet holds much less (typically approx. 20-30% of nominal force).
- Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
- Material type – the best choice is high-permeability steel. Stainless steels may generate lower lifting capacity.
- Smoothness – ideal contact is possible only on smooth steel. Rough texture reduce the real contact area, reducing force.
- Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and in frost they can be stronger (up to a certain limit).
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under perpendicular forces, however under shearing force the load capacity is reduced by as much as 5 times. Moreover, even a minimal clearance between the magnet and the plate reduces the holding force.
Safe handling of neodymium magnets
Danger to pacemakers
Individuals with a heart stimulator must keep an safe separation from magnets. The magnetic field can stop the functioning of the implant.
Maximum temperature
Watch the temperature. Exposing the magnet to high heat will destroy its properties and pulling force.
Danger to the youngest
Strictly keep magnets away from children. Ingestion danger is high, and the consequences of magnets clamping inside the body are tragic.
Physical harm
Big blocks can crush fingers instantly. Never place your hand betwixt two attracting surfaces.
Machining danger
Drilling and cutting of NdFeB material carries a risk of fire risk. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.
Material brittleness
NdFeB magnets are ceramic materials, which means they are fragile like glass. Clashing of two magnets will cause them breaking into small pieces.
Respect the power
Use magnets consciously. Their immense force can surprise even experienced users. Be vigilant and do not underestimate their force.
Sensitization to coating
Some people have a sensitization to nickel, which is the typical protective layer for neodymium magnets. Extended handling might lead to dermatitis. We recommend use safety gloves.
Keep away from computers
Equipment safety: Strong magnets can ruin payment cards and sensitive devices (heart implants, medical aids, timepieces).
Threat to navigation
Note: rare earth magnets produce a field that interferes with sensitive sensors. Maintain a separation from your mobile, device, and GPS.
Tabela kosztu i czasu dostawy
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