ZM XMAG2 105 elementów - magnetic toy
magnetic toy
Catalog no 040211
GTIN/EAN: 5906301812371
Weight
0.03 g
Load capacity
0.03 kg / 0.26 N
49.20 ZŁ with VAT / pcs + price for transport
40.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Force as well as shape of neodymium magnets can be calculated on our
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Technical specification of the product - ZM XMAG2 105 elementów - magnetic toy
Specification / characteristics - ZM XMAG2 105 elementów - magnetic toy
| properties | values |
|---|---|
| Cat. no. | 040211 |
| GTIN/EAN | 5906301812371 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 0.03 g |
| Load capacity ~ ? | 0.03 kg / 0.26 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% |
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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Pros and cons of Nd2Fe14B magnets.
Pros
- Their magnetic field is maintained, and after around ten years it decreases only by ~1% (according to research),
- They maintain their magnetic properties even under strong external field,
- In other words, due to the shiny surface of silver, the element becomes visually attractive,
- They show high magnetic induction at the operating surface, making them more effective,
- Neodymium magnets are characterized by very high magnetic induction on the magnet surface and are able to act (depending on the shape) even at a temperature of 230°C or more...
- Possibility of custom shaping and adjusting to specific conditions,
- Huge importance in high-tech industry – they serve a role in mass storage devices, electric drive systems, advanced medical instruments, also complex engineering applications.
- Relatively small size with high pulling force – neodymium magnets offer high power in tiny dimensions, which enables their usage in small systems
Cons
- They are fragile upon heavy impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
- When exposed to high temperature, neodymium magnets suffer a drop in power. 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
- They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- Limited ability of creating threads in the magnet and complicated forms - preferred is casing - magnetic holder.
- Potential hazard to health – tiny shards of magnets pose a threat, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Additionally, tiny parts of these products can be problematic in diagnostics 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 it depends on?
- with the use of a sheet made of low-carbon steel, ensuring maximum field concentration
- with a cross-section minimum 10 mm
- characterized by even structure
- without the slightest insulating layer between the magnet and steel
- during detachment in a direction perpendicular to the plane
- in neutral thermal conditions
Lifting capacity in practice – influencing factors
- Distance (betwixt the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) results in a drastic drop in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
- Angle of force application – highest force is obtained only during perpendicular pulling. The resistance to sliding of the magnet along the plate is typically several times smaller (approx. 1/5 of the lifting capacity).
- Base massiveness – insufficiently thick plate causes magnetic saturation, causing part of the power to be escaped to the other side.
- Steel grade – ideal substrate is high-permeability steel. Hardened steels may attract less.
- Surface quality – the more even the plate, the larger the contact zone and higher the lifting capacity. Roughness creates an air distance.
- Temperature – 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, 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.
Warnings
This is not a toy
Adult use only. Small elements pose a choking risk, leading to serious injuries. Keep away from kids and pets.
Pacemakers
Life threat: Strong magnets can turn off pacemakers and defibrillators. Do not approach if you have electronic implants.
Threat to electronics
Do not bring magnets close to a wallet, computer, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.
Respect the power
Handle magnets consciously. Their powerful strength can surprise even professionals. Plan your moves and respect their power.
GPS and phone interference
Note: rare earth magnets generate a field that interferes with sensitive sensors. Maintain a separation from your mobile, device, and navigation systems.
Dust explosion hazard
Mechanical processing of NdFeB material carries a risk of fire risk. Neodymium dust reacts violently with oxygen and is hard to extinguish.
Sensitization to coating
A percentage of the population suffer from a hypersensitivity to Ni, which is the standard coating for NdFeB magnets. Extended handling can result in an allergic reaction. We recommend wear safety gloves.
Bone fractures
Danger of trauma: The pulling power is so immense that it can result in hematomas, pinching, and broken bones. Use thick gloves.
Fragile material
Beware of splinters. Magnets can fracture upon violent connection, launching sharp fragments into the air. Wear goggles.
Permanent damage
Watch the temperature. Exposing the magnet above 80 degrees Celsius will ruin its properties and strength.
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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