ZK XLINK 1026 elementów - construction toy
construction toy
Catalog no 260214
GTIN/EAN: 5906301814399
Weight
1513 g
79.90 ZŁ with VAT / pcs + price for transport
64.96 ZŁ net + 23% VAT / pcs
bulk discounts:
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Physical properties - ZK XLINK 1026 elementów - construction toy
Specification / characteristics - ZK XLINK 1026 elementów - construction toy
| properties | values |
|---|---|
| Cat. no. | 260214 |
| GTIN/EAN | 5906301814399 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 1513 g |
| 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 neodymium magnets.
Advantages
- They have stable power, and over nearly ten years their performance decreases symbolically – ~1% (according to theory),
- They are noted for resistance to demagnetization induced by external disturbances,
- The use of an shiny layer of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
- The surface of neodymium magnets generates a concentrated magnetic field – this is a distinguishing feature,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
- Considering the possibility of precise molding and adaptation to unique requirements, magnetic components can be created in a broad palette of forms and dimensions, which makes them more universal,
- Fundamental importance in modern technologies – they are commonly used in data components, drive modules, medical equipment, as well as complex engineering applications.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Disadvantages
- They are fragile upon too strong impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
- Neodymium magnets lose their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
- Limited ability of producing nuts in the magnet and complicated forms - preferred is casing - mounting mechanism.
- Health risk to health – tiny shards of magnets pose a threat, in case of ingestion, which gains importance in the aspect of protecting the youngest. It is also worth noting that small elements of these magnets can complicate diagnosis medical in case of swallowing.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Holding force characteristics
Maximum holding power of the magnet – what contributes to it?
- using a plate made of mild steel, serving as a circuit closing element
- with a cross-section of at least 10 mm
- characterized by lack of roughness
- with total lack of distance (no coatings)
- under perpendicular application of breakaway force (90-degree angle)
- at ambient temperature room level
Determinants of practical lifting force of a magnet
- Air gap (between the magnet and the metal), because even a microscopic clearance (e.g. 0.5 mm) can cause a drastic drop in force by up to 50% (this also applies to paint, corrosion or dirt).
- Force direction – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet exhibits much less (often approx. 20-30% of maximum force).
- Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of converting into lifting capacity.
- Steel type – low-carbon steel attracts best. Higher carbon content decrease magnetic properties and lifting capacity.
- Smoothness – full contact is possible only on polished steel. Any scratches and bumps reduce the real contact area, reducing force.
- Temperature influence – high temperature reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity was assessed by applying a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular pulling force, however under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate reduces the load capacity.
Warnings
Keep away from electronics
Note: neodymium magnets generate a field that interferes with sensitive sensors. Keep a safe distance from your phone, device, and GPS.
Dust is flammable
Powder generated during machining of magnets is flammable. Avoid drilling into magnets unless you are an expert.
Hand protection
Protect your hands. Two powerful magnets will join instantly with a force of several hundred kilograms, crushing everything in their path. Be careful!
Safe distance
Intense magnetic fields can corrupt files on payment cards, hard drives, and other magnetic media. Keep a distance of at least 10 cm.
Heat warning
Monitor thermal conditions. Exposing the magnet to high heat will ruin its properties and strength.
Warning for heart patients
Warning for patients: Powerful magnets affect medical devices. Keep minimum 30 cm distance or request help to handle the magnets.
Beware of splinters
NdFeB magnets are ceramic materials, meaning they are very brittle. Clashing of two magnets leads to them breaking into small pieces.
Caution required
Exercise caution. Rare earth magnets act from a long distance and snap with huge force, often faster than you can move away.
Product not for children
Only for adults. Small elements pose a choking risk, causing intestinal necrosis. Store away from kids and pets.
Avoid contact if allergic
Some people suffer from a sensitization to Ni, which is the common plating for NdFeB magnets. Prolonged contact can result in dermatitis. We suggest use protective gloves.
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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