AM Haczyk M5 - magnetic accessories
magnetic accessories
Catalog no 080506
Coating
[NiCuNi] Nickel
1.230 ZŁ with VAT / pcs + price for transport
1.000 ZŁ net + 23% VAT / pcs
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Specifications and structure of neodymium magnets can be estimated on our
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Product card - AM Haczyk M5 - magnetic accessories
Specification / characteristics - AM Haczyk M5 - magnetic accessories
| properties | values |
|---|---|
| Cat. no. | 080506 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Coating | [NiCuNi] Nickel |
| 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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Strengths as well as weaknesses of neodymium magnets.
Benefits
- They have unchanged lifting capacity, and over nearly 10 years their attraction force decreases symbolically – ~1% (according to theory),
- Magnets perfectly protect themselves against loss of magnetization caused by foreign field sources,
- A magnet with a shiny silver surface has better aesthetics,
- They are known for high magnetic induction at the operating surface, making them more effective,
- Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
- Thanks to versatility in shaping and the ability to modify to complex applications,
- Wide application in electronics industry – they are used in HDD drives, brushless drives, precision medical tools, also industrial machines.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Limitations
- Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We advise keeping them in a steel housing, which not only protects them against impacts but also raises their 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 - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in producing nuts and complex shapes in magnets, we recommend using cover - magnetic mechanism.
- Potential hazard to health – tiny shards of magnets pose a threat, in case of ingestion, which is particularly important in the aspect of protecting the youngest. It is also worth noting that small elements of these devices are able to disrupt the diagnostic process medical when they are in the body.
- With budget limitations the cost of neodymium magnets is a challenge,
Holding force characteristics
Maximum magnetic pulling force – what contributes to it?
- using a plate made of high-permeability steel, functioning as a ideal flux conductor
- with a thickness of at least 10 mm
- characterized by lack of roughness
- without any air gap between the magnet and steel
- for force acting at a right angle (pull-off, not shear)
- in stable room temperature
Practical lifting capacity: influencing factors
- Distance (betwixt the magnet and the metal), because even a very small clearance (e.g. 0.5 mm) results in a reduction in lifting capacity by up to 50% (this also applies to paint, corrosion or dirt).
- Load vector – highest force is obtained only during pulling at a 90° angle. The shear force of the magnet along the surface is typically several times lower (approx. 1/5 of the lifting capacity).
- Steel thickness – too thin steel does not close the flux, causing part of the power to be lost to the other side.
- Material composition – not every steel attracts identically. Alloy additives 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 creates an air distance.
- Temperature influence – high temperature weakens magnetic field. Too high temperature can permanently demagnetize the magnet.
Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the holding force is lower. Additionally, even a slight gap between the magnet and the plate reduces the holding force.
Safe handling of NdFeB magnets
Mechanical processing
Powder generated during grinding of magnets is self-igniting. Do not drill into magnets unless you are an expert.
Serious injuries
Large magnets can break fingers instantly. Never put your hand between two strong magnets.
Material brittleness
Despite the nickel coating, neodymium is delicate and cannot withstand shocks. Do not hit, as the magnet may crumble into sharp, dangerous pieces.
Immense force
Use magnets consciously. Their huge power can surprise even professionals. Be vigilant and respect their power.
Medical implants
Individuals with a pacemaker must maintain an safe separation from magnets. The magnetic field can disrupt the operation of the implant.
Keep away from computers
Device Safety: Neodymium magnets can ruin payment cards and sensitive devices (heart implants, medical aids, mechanical watches).
Magnetic interference
Remember: rare earth magnets generate a field that interferes with precision electronics. Maintain a separation from your mobile, tablet, and GPS.
Skin irritation risks
Some people experience a hypersensitivity to Ni, which is the typical protective layer for neodymium magnets. Prolonged contact may cause a rash. We suggest wear protective gloves.
Demagnetization risk
Watch the temperature. Heating the magnet to high heat will permanently weaken its magnetic structure and pulling force.
Keep away from children
Product intended for adults. Tiny parts can be swallowed, causing severe trauma. Store away from children and animals.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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Płatność przy odbiorze (pobranie):
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Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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