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AM ucho [M10] - magnetic accessories
magnetic accessories
Catalog no 080346
GTIN/EAN: 5906301812494
Weight
71.5 g
Load capacity
320.00 kg / 3138.13 N
7.38 ZŁ with VAT / pcs + price for transport
6.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Physical properties - AM ucho [M10] - magnetic accessories
Specification / characteristics - AM ucho [M10] - magnetic accessories
| properties | values |
|---|---|
| Cat. no. | 080346 |
| GTIN/EAN | 5906301812494 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 71.5 g |
| Load capacity ~ ? | 320.00 kg / 3138.13 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 rare earth magnets.
Pros
- They virtually do not lose power, because even after ten years the performance loss is only ~1% (according to literature),
- Magnets very well protect themselves against loss of magnetization caused by foreign field sources,
- By using a smooth layer of silver, the element presents an nice look,
- The surface of neodymium magnets generates a unique magnetic field – this is a key feature,
- Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures approaching 230°C and above...
- Thanks to flexibility in designing and the ability to customize to unusual requirements,
- Universal use in innovative solutions – they are used in data components, electric drive systems, diagnostic systems, and multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in miniature devices
Cons
- Brittleness is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a steel housing, which not only secures them against impacts but also increases their durability
- We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we advise 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 those in rubber or plastics, which secure oxidation as well as corrosion.
- Due to limitations in creating threads and complicated shapes in magnets, we propose using casing - magnetic holder.
- Health risk related to microscopic parts of magnets can be dangerous, in case of ingestion, which is particularly important in the aspect of protecting the youngest. It is also worth noting that tiny parts of these magnets can disrupt the diagnostic process medical in case of swallowing.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Pull force analysis
Optimal lifting capacity of a neodymium magnet – what affects it?
- with the application of a yoke made of special test steel, guaranteeing maximum field concentration
- whose transverse dimension reaches at least 10 mm
- with a surface free of scratches
- with direct contact (without paint)
- for force acting at a right angle (pull-off, not shear)
- at room temperature
What influences lifting capacity in practice
- Air gap (between the magnet and the metal), as even a very small clearance (e.g. 0.5 mm) results in a drastic drop in force by up to 50% (this also applies to paint, rust or dirt).
- Force direction – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (often approx. 20-30% of nominal force).
- Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of generating force.
- Material type – the best choice is pure iron steel. Hardened steels may have worse magnetic properties.
- Surface quality – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Roughness acts like micro-gaps.
- Thermal environment – heating the magnet results in weakening of induction. Check the thermal limit for a given model.
Lifting capacity testing was performed on a smooth plate of optimal thickness, under perpendicular forces, however under parallel forces the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate decreases the lifting capacity.
Warnings
Warning for allergy sufferers
Certain individuals experience a sensitization to Ni, which is the standard coating for NdFeB magnets. Prolonged contact may cause an allergic reaction. We suggest wear safety gloves.
Do not drill into magnets
Fire hazard: Neodymium dust is explosive. Do not process magnets in home conditions as this risks ignition.
Life threat
Life threat: Strong magnets can turn off heart devices and defibrillators. Stay away if you have electronic implants.
Eye protection
NdFeB magnets are sintered ceramics, which means they are fragile like glass. Collision of two magnets will cause them cracking into small pieces.
Keep away from children
These products are not intended for children. Swallowing several magnets can lead to them connecting inside the digestive tract, which poses a direct threat to life and necessitates urgent medical intervention.
Pinching danger
Large magnets can break fingers in a fraction of a second. Never put your hand between two attracting surfaces.
Powerful field
Use magnets with awareness. Their powerful strength can shock even experienced users. Be vigilant and do not underestimate their force.
GPS and phone interference
GPS units and mobile phones are extremely susceptible to magnetic fields. Direct contact with a powerful NdFeB magnet can permanently damage the sensors in your phone.
Demagnetization risk
Do not overheat. Neodymium magnets are sensitive to temperature. If you require resistance above 80°C, inquire about HT versions (H, SH, UH).
Keep away from computers
Avoid bringing magnets near a purse, computer, or screen. The magnetic field can irreversibly ruin these devices and erase data from cards.
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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