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
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Detailed specification - 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 |
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 and weaknesses of Nd2Fe14B magnets.
Strengths
- Their strength is durable, and after around ten years it decreases only by ~1% (according to research),
- They maintain their magnetic properties even under strong external field,
- Thanks to the metallic finish, the layer of Ni-Cu-Ni, gold, or silver-plated gives an clean appearance,
- They show high magnetic induction at the operating surface, which affects their effectiveness,
- Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for functioning at temperatures approaching 230°C and above...
- Possibility of precise shaping and optimizing to specific requirements,
- Fundamental importance in innovative solutions – they serve a role in data components, electromotive mechanisms, advanced medical instruments, also multitasking production systems.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Limitations
- Brittleness is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a strong case, which not only protects them against impacts but also raises their durability
- Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation as well as corrosion.
- We recommend a housing - magnetic mount, due to difficulties in realizing nuts inside the magnet and complicated forms.
- Health risk related to microscopic parts of magnets pose a threat, in case of ingestion, which becomes key in the context of child safety. It is also worth noting that small elements of these magnets can complicate diagnosis medical after entering the body.
- Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications
Pull force analysis
Highest magnetic holding force – what contributes to it?
- using a base made of mild steel, serving as a circuit closing element
- with a cross-section no less than 10 mm
- with a plane perfectly flat
- under conditions of no distance (surface-to-surface)
- for force applied at a right angle (in the magnet axis)
- at ambient temperature room level
Practical aspects of lifting capacity – factors
- Space between magnet and steel – every millimeter of separation (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
- Force direction – note that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
- Plate thickness – insufficiently thick steel does not close the flux, causing part of the power to be wasted into the air.
- Steel grade – ideal substrate is pure iron steel. Cast iron may have worse magnetic properties.
- Smoothness – full contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
- Thermal environment – temperature increase causes a temporary drop of force. It is worth remembering the thermal limit for a given model.
Lifting capacity testing was conducted on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate lowers the holding force.
Warnings
Pinching danger
Big blocks can crush fingers in a fraction of a second. Do not place your hand between two strong magnets.
Phone sensors
A strong magnetic field interferes with the operation of compasses in smartphones and navigation systems. Do not bring magnets close to a smartphone to avoid damaging the sensors.
Pacemakers
For implant holders: Powerful magnets affect medical devices. Maintain minimum 30 cm distance or request help to handle the magnets.
Powerful field
Use magnets with awareness. Their immense force can shock even experienced users. Stay alert and do not underestimate their force.
Product not for children
NdFeB magnets are not toys. Swallowing multiple magnets can lead to them connecting inside the digestive tract, which constitutes a severe health hazard and necessitates urgent medical intervention.
Skin irritation risks
Certain individuals have a contact allergy to nickel, which is the common plating for NdFeB magnets. Frequent touching might lead to skin redness. We recommend use protective gloves.
Data carriers
Equipment safety: Strong magnets can ruin payment cards and sensitive devices (pacemakers, hearing aids, mechanical watches).
Fire warning
Machining of neodymium magnets poses a fire hazard. Neodymium dust reacts violently with oxygen and is difficult to extinguish.
Demagnetization risk
Standard neodymium magnets (grade N) lose magnetization when the temperature surpasses 80°C. The loss of strength is permanent.
Beware of splinters
Despite metallic appearance, neodymium is delicate and cannot withstand shocks. Avoid impacts, as the magnet may crumble into hazardous fragments.
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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