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
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Detailed specification - 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 |
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% |
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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Pros and cons of rare earth magnets.
Advantages
- They virtually do not lose strength, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
- They are resistant to demagnetization induced by presence of other magnetic fields,
- The use of an aesthetic finish of noble metals (nickel, gold, silver) causes the element to present itself better,
- They feature high magnetic induction at the operating surface, which increases their power,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- Due to the possibility of accurate forming and customization to unique requirements, NdFeB magnets can be created in a broad palette of geometric configurations, which increases their versatility,
- Significant place in advanced technology sectors – they are utilized in data components, electromotive mechanisms, diagnostic systems, as well as technologically advanced constructions.
- Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,
Limitations
- They are fragile upon heavy impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only shields the magnet but also increases its resistance to damage
- Neodymium magnets decrease their strength 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 durability even at temperatures up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
- Limited ability of making threads in the magnet and complicated shapes - recommended is casing - magnet mounting.
- Possible danger related to microscopic parts of magnets pose a threat, in case of ingestion, which is particularly important in the context of child safety. It is also worth noting that tiny parts of these products are able to be problematic in diagnostics medical after entering the body.
- Due to expensive raw materials, their price is relatively high,
Pull force analysis
Magnetic strength at its maximum – what affects it?
- using a plate made of mild steel, serving as a circuit closing element
- possessing a thickness of min. 10 mm to avoid saturation
- characterized by lack of roughness
- without any clearance between the magnet and steel
- during pulling in a direction perpendicular to the mounting surface
- at conditions approx. 20°C
Determinants of practical lifting force of a magnet
- Distance – existence of foreign body (rust, dirt, air) interrupts the magnetic circuit, which lowers power steeply (even by 50% at 0.5 mm).
- Pull-off angle – note that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops drastically, often to levels of 20-30% of the nominal value.
- Metal thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of generating force.
- Chemical composition of the base – mild steel attracts best. Higher carbon content reduce magnetic permeability and holding force.
- Plate texture – smooth surfaces ensure maximum contact, which improves field saturation. Uneven metal reduce efficiency.
- Thermal conditions – neodymium magnets have a sensitivity to temperature. When it is hot they lose power, and in frost gain strength (up to a certain limit).
Lifting capacity testing was carried out on a smooth plate of suitable thickness, under perpendicular forces, however under shearing force the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the lifting capacity.
Safety rules for work with neodymium magnets
Metal Allergy
Nickel alert: The Ni-Cu-Ni coating contains nickel. If an allergic reaction happens, immediately stop handling magnets and wear gloves.
Medical implants
Health Alert: Neodymium magnets can deactivate pacemakers and defibrillators. Do not approach if you have medical devices.
Safe distance
Do not bring magnets near a purse, computer, or screen. The magnetism can irreversibly ruin these devices and erase data from cards.
Respect the power
Handle magnets consciously. Their powerful strength can surprise even professionals. Stay alert and respect their power.
Maximum temperature
Regular neodymium magnets (N-type) undergo demagnetization when the temperature goes above 80°C. The loss of strength is permanent.
Protective goggles
Watch out for shards. Magnets can fracture upon violent connection, launching shards into the air. Eye protection is mandatory.
Crushing risk
Mind your fingers. Two powerful magnets will snap together immediately with a force of several hundred kilograms, destroying everything in their path. Be careful!
Phone sensors
A powerful magnetic field negatively affects the operation of compasses in phones and GPS navigation. Do not bring magnets close to a smartphone to prevent breaking the sensors.
Dust explosion hazard
Fire warning: Rare earth powder is explosive. Avoid machining magnets in home conditions as this may cause fire.
Adults only
Absolutely keep magnets away from children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are life-threatening.
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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