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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Technical - 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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Advantages as well as disadvantages of neodymium magnets.
Strengths
- They retain attractive force for around 10 years – the loss is just ~1% (based on simulations),
- They maintain their magnetic properties even under close interference source,
- In other words, due to the aesthetic finish of gold, the element looks attractive,
- They are known for high magnetic induction at the operating surface, which improves attraction properties,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
- In view of the possibility of free forming and adaptation to unique requirements, NdFeB magnets can be produced in a variety of shapes and sizes, which amplifies use scope,
- Universal use in advanced technology sectors – they are utilized in HDD drives, electromotive mechanisms, precision medical tools, and other advanced devices.
- Thanks to concentrated force, small magnets offer high operating force, occupying minimum space,
Limitations
- At strong impacts they can break, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation and corrosion.
- We suggest a housing - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complicated forms.
- Potential hazard related to microscopic parts of magnets are risky, 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 disrupt the diagnostic process medical after entering the body.
- Due to expensive raw materials, their price is relatively high,
Pull force analysis
Best holding force of the magnet in ideal parameters – what it depends on?
- on a base made of structural steel, optimally conducting the magnetic field
- with a cross-section no less than 10 mm
- with a surface free of scratches
- under conditions of ideal adhesion (surface-to-surface)
- during detachment in a direction vertical to the mounting surface
- at temperature room level
Key elements affecting lifting force
- Distance (between the magnet and the metal), because even a microscopic clearance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
- Force direction – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet exhibits significantly lower power (typically approx. 20-30% of nominal force).
- Base massiveness – too thin sheet does not accept the full field, causing part of the power to be wasted into the air.
- Steel type – mild steel attracts best. Alloy admixtures reduce magnetic permeability and holding force.
- Smoothness – ideal contact is obtained only on smooth steel. Rough texture create air cushions, weakening the magnet.
- Thermal conditions – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and in frost they can be stronger (up to a certain limit).
Lifting capacity was assessed using a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, in contrast under parallel forces the load capacity is reduced by as much as 5 times. Moreover, even a slight gap between the magnet and the plate reduces the lifting capacity.
Precautions when working with neodymium magnets
Operating temperature
Control the heat. Exposing the magnet to high heat will ruin its properties and pulling force.
Threat to navigation
A powerful magnetic field negatively affects the functioning of compasses in smartphones and navigation systems. Do not bring magnets near a smartphone to prevent breaking the sensors.
Handling rules
Be careful. Neodymium magnets act from a long distance and connect with massive power, often quicker than you can move away.
Do not give to children
Product intended for adults. Small elements pose a choking risk, causing intestinal necrosis. Keep out of reach of kids and pets.
Eye protection
Protect your eyes. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Eye protection is mandatory.
Nickel coating and allergies
Studies show that nickel (standard magnet coating) is a strong allergen. For allergy sufferers, avoid direct skin contact or choose versions in plastic housing.
Fire risk
Fire hazard: Neodymium dust is explosive. Do not process magnets without safety gear as this risks ignition.
Crushing risk
Protect your hands. Two large magnets will snap together instantly with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!
Threat to electronics
Data protection: Strong magnets can damage payment cards and delicate electronics (heart implants, medical aids, timepieces).
Implant safety
Individuals with a pacemaker should maintain an safe separation from magnets. The magnetic field can stop the operation of the life-saving device.
Tabela kosztu i czasu dostawy
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