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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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 |
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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Pros as well as cons of rare earth magnets.
Benefits
- They retain magnetic properties for around ten years – the drop is just ~1% (based on simulations),
- Magnets very well resist against demagnetization caused by foreign field sources,
- Thanks to the elegant finish, the layer of nickel, gold-plated, or silver gives an professional appearance,
- Magnetic induction on the top side of the magnet remains extremely intense,
- Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
- Thanks to modularity in constructing and the ability to adapt to specific needs,
- Versatile presence in electronics industry – they find application in computer drives, drive modules, medical equipment, also technologically advanced constructions.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in compact constructions
Cons
- At very strong impacts they can break, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- When exposed to high temperature, neodymium magnets experience a drop in strength. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- Magnets exposed to a humid environment can corrode. Therefore during using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture
- Due to limitations in creating threads and complex shapes in magnets, we recommend using a housing - magnetic mount.
- Health risk to health – tiny shards of magnets can be dangerous, if swallowed, which gains importance in the aspect of protecting the youngest. It is also worth noting that tiny parts of these devices are able to disrupt the diagnostic process medical after entering the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities
Pull force analysis
Highest magnetic holding force – what affects it?
- with the use of a sheet made of special test steel, ensuring full magnetic saturation
- possessing a thickness of minimum 10 mm to ensure full flux closure
- with an polished contact surface
- without any air gap between the magnet and steel
- during detachment in a direction vertical to the mounting surface
- in neutral thermal conditions
Determinants of lifting force in real conditions
- Clearance – existence of foreign body (paint, dirt, air) acts as an insulator, which reduces capacity rapidly (even by 50% at 0.5 mm).
- Loading method – catalog parameter refers to pulling vertically. When attempting to slide, the magnet holds much less (often approx. 20-30% of maximum force).
- Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of converting into lifting capacity.
- Steel type – low-carbon steel gives the best results. Alloy admixtures lower magnetic permeability and lifting capacity.
- Plate texture – ground elements ensure maximum contact, which increases force. Uneven metal reduce efficiency.
- Temperature – temperature increase results in weakening of induction. Check the thermal limit for a given model.
Lifting capacity testing was conducted on a smooth plate of optimal thickness, under perpendicular forces, in contrast under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a small distance between the magnet and the plate lowers the lifting capacity.
Safety rules for work with NdFeB magnets
Crushing force
Mind your fingers. Two large magnets will join instantly with a force of massive weight, crushing everything in their path. Exercise extreme caution!
Maximum temperature
Control the heat. Exposing the magnet above 80 degrees Celsius will ruin its magnetic structure and strength.
Dust explosion hazard
Drilling and cutting of neodymium magnets poses a fire risk. Magnetic powder reacts violently with oxygen and is hard to extinguish.
Safe distance
Do not bring magnets near a wallet, computer, or TV. The magnetism can irreversibly ruin these devices and wipe information from cards.
Magnet fragility
NdFeB magnets are sintered ceramics, meaning they are very brittle. Collision of two magnets leads to them cracking into shards.
Immense force
Handle magnets consciously. Their immense force can surprise even professionals. Be vigilant and do not underestimate their force.
Life threat
Life threat: Neodymium magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.
Adults only
Neodymium magnets are not intended for children. Accidental ingestion of multiple magnets can lead to them attracting across intestines, which poses a severe health hazard and necessitates immediate surgery.
Warning for allergy sufferers
Allergy Notice: The nickel-copper-nickel coating consists of nickel. If redness appears, immediately stop handling magnets and use protective gear.
Impact on smartphones
Navigation devices and smartphones are extremely sensitive to magnetic fields. Close proximity with a powerful NdFeB magnet can ruin the sensors in your phone.
Tabela kosztu i czasu dostawy
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23.00 ZŁ
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