ZM XMAG2 210 elementów - magnetic toy
magnetic toy
Catalog no 040314
GTIN/EAN: 5906301812388
Weight
0.03 g
Load capacity
0.03 kg / 0.26 N
86.10 ZŁ with VAT / pcs + price for transport
70.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical details - ZM XMAG2 210 elementów - magnetic toy
Specification / characteristics - ZM XMAG2 210 elementów - magnetic toy
| properties | values |
|---|---|
| Cat. no. | 040314 |
| GTIN/EAN | 5906301812388 |
| 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 |
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% |
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.
Benefits
- Their strength is durable, and after around 10 years it drops only by ~1% (theoretically),
- Neodymium magnets are characterized by remarkably resistant to magnetic field loss caused by external field sources,
- By applying a smooth layer of nickel, the element has an proper look,
- The surface of neodymium magnets generates a strong magnetic field – this is one of their assets,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
- Considering the potential of flexible forming and customization to individualized needs, neodymium magnets can be manufactured in a variety of geometric configurations, which increases their versatility,
- Wide application in advanced technology sectors – they find application in magnetic memories, brushless drives, precision medical tools, also modern systems.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Weaknesses
- 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 secures them against impacts but also increases their durability
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
- Magnets exposed to a humid environment can rust. Therefore when using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material protecting against moisture
- We recommend a housing - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complicated shapes.
- Health risk to health – tiny shards of magnets are risky, when accidentally swallowed, which is particularly important in the context of child safety. Additionally, tiny parts 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,
Pull force analysis
Detachment force of the magnet in optimal conditions – what it depends on?
- using a base made of low-carbon steel, serving as a magnetic yoke
- possessing a thickness of at least 10 mm to ensure full flux closure
- characterized by lack of roughness
- under conditions of no distance (surface-to-surface)
- during detachment in a direction vertical to the mounting surface
- at standard ambient temperature
Lifting capacity in practice – influencing factors
- Gap between surfaces – even a fraction of a millimeter of separation (caused e.g. by veneer or dirt) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
- Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet exhibits significantly lower power (often approx. 20-30% of maximum force).
- Metal thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of converting into lifting capacity.
- Steel type – mild steel gives the best results. Alloy steels decrease magnetic properties and lifting capacity.
- Base smoothness – the more even the surface, the larger the contact zone and higher the lifting capacity. Unevenness acts like micro-gaps.
- Operating temperature – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and at low temperatures gain strength (up to a certain limit).
Lifting capacity was assessed by applying a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, however under parallel forces the holding force is lower. Additionally, even a slight gap between the magnet’s surface and the plate reduces the lifting capacity.
Safety rules for work with neodymium magnets
Shattering risk
Despite metallic appearance, the material is delicate and not impact-resistant. Do not hit, as the magnet may crumble into sharp, dangerous pieces.
Powerful field
Before use, check safety instructions. Sudden snapping can destroy the magnet or hurt your hand. Think ahead.
Bodily injuries
Mind your fingers. Two powerful magnets will join immediately with a force of massive weight, destroying everything in their path. Be careful!
Implant safety
Medical warning: Strong magnets can turn off pacemakers and defibrillators. Stay away if you have electronic implants.
Do not give to children
Product intended for adults. Tiny parts pose a choking risk, causing severe trauma. Store away from kids and pets.
Allergy Warning
Some people experience a sensitization to Ni, which is the typical protective layer for neodymium magnets. Extended handling might lead to an allergic reaction. It is best to wear protective gloves.
Fire risk
Drilling and cutting of NdFeB material carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is difficult to extinguish.
Threat to electronics
Data protection: Neodymium magnets can ruin data carriers and delicate electronics (heart implants, hearing aids, mechanical watches).
GPS and phone interference
A strong magnetic field disrupts the functioning of compasses in phones and navigation systems. Maintain magnets near a smartphone to avoid breaking the sensors.
Thermal limits
Avoid heat. NdFeB magnets are sensitive to heat. If you require resistance above 80°C, inquire about special high-temperature series (H, SH, UH).
