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 |
Material specification
| 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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Advantages as well as disadvantages of Nd2Fe14B magnets.
Pros
- They have constant strength, and over more than ten years their attraction force decreases symbolically – ~1% (according to theory),
- They maintain their magnetic properties even under external field action,
- A magnet with a metallic nickel surface looks better,
- Magnetic induction on the working part of the magnet turns out to be strong,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
- Thanks to the ability of free shaping and adaptation to unique needs, magnetic components can be modeled in a wide range of shapes and sizes, which makes them more universal,
- Key role in high-tech industry – they serve a role in hard drives, brushless drives, medical equipment, and multitasking production systems.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Limitations
- At very strong impacts they can crack, therefore we recommend placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
- Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
- Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- Limited possibility of creating nuts in the magnet and complex forms - preferred is a housing - magnetic holder.
- Health risk resulting from small fragments of magnets pose a threat, in case of ingestion, which becomes key in the context of child safety. Furthermore, tiny parts of these devices are able to disrupt the diagnostic process medical after entering the body.
- Due to expensive raw materials, their price is relatively high,
Lifting parameters
Detachment force of the magnet in optimal conditions – what contributes to it?
- on a block made of mild steel, optimally conducting the magnetic field
- possessing a thickness of min. 10 mm to ensure full flux closure
- characterized by even structure
- with direct contact (without coatings)
- during pulling in a direction perpendicular to the mounting surface
- at standard ambient temperature
Determinants of practical lifting force of a magnet
- Gap (between the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) leads to a decrease in lifting capacity by up to 50% (this also applies to varnish, corrosion or dirt).
- Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the maximum value.
- Element thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
- Metal type – not every steel reacts the same. High carbon content worsen the interaction with the magnet.
- Base smoothness – the more even the plate, the larger the contact zone and higher the lifting capacity. Unevenness acts like micro-gaps.
- Heat – neodymium magnets have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures they can be stronger (up to a certain limit).
Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, in contrast under shearing force the lifting capacity is smaller. In addition, even a minimal clearance between the magnet and the plate reduces the lifting capacity.
Warnings
Precision electronics
GPS units and mobile phones are extremely susceptible to magnetism. Direct contact with a powerful NdFeB magnet can decalibrate the sensors in your phone.
Permanent damage
Control the heat. Heating the magnet above 80 degrees Celsius will destroy its magnetic structure and pulling force.
Medical interference
Patients with a heart stimulator should keep an safe separation from magnets. The magnetic field can interfere with the functioning of the life-saving device.
Caution required
Be careful. Rare earth magnets attract from a long distance and snap with massive power, often faster than you can move away.
Metal Allergy
Certain individuals suffer from a hypersensitivity to Ni, which is the standard coating for neodymium magnets. Frequent touching might lead to dermatitis. We strongly advise wear safety gloves.
Finger safety
Risk of injury: The attraction force is so great that it can result in hematomas, pinching, and broken bones. Protective gloves are recommended.
Protective goggles
Protect your eyes. Magnets can explode upon uncontrolled impact, launching shards into the air. Eye protection is mandatory.
Adults only
Only for adults. Small elements can be swallowed, leading to serious injuries. Keep away from children and animals.
Protect data
Device Safety: Neodymium magnets can damage data carriers and delicate electronics (heart implants, hearing aids, mechanical watches).
Combustion hazard
Machining of NdFeB material carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is difficult to extinguish.
