ZM XMAG2 105 elementów - magnetic toy
magnetic toy
Catalog no 040211
GTIN/EAN: 5906301812371
Weight
0.03 g
Load capacity
0.03 kg / 0.26 N
49.20 ZŁ with VAT / pcs + price for transport
40.00 ZŁ net + 23% VAT / pcs
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Product card - ZM XMAG2 105 elementów - magnetic toy
Specification / characteristics - ZM XMAG2 105 elementów - magnetic toy
| properties | values |
|---|---|
| Cat. no. | 040211 |
| GTIN/EAN | 5906301812371 |
| 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 |
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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Strengths and weaknesses of neodymium magnets.
Pros
- They have stable power, and over more than ten years their attraction force decreases symbolically – ~1% (in testing),
- Neodymium magnets remain exceptionally resistant to demagnetization caused by magnetic disturbances,
- The use of an shiny finish of noble metals (nickel, gold, silver) causes the element to look better,
- The surface of neodymium magnets generates a unique magnetic field – this is a key feature,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- In view of the option of free forming and adaptation to custom solutions, neodymium magnets can be created in a wide range of forms and dimensions, which increases their versatility,
- Versatile presence in modern technologies – they are commonly used in hard drives, electromotive mechanisms, advanced medical instruments, as well as other advanced devices.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which makes them useful in small systems
Limitations
- Brittleness is one of their disadvantages. Upon intense impact they can fracture. We recommend keeping them in a steel housing, which not only secures them against impacts but also increases their durability
- Neodymium magnets decrease 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
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- We recommend cover - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complex shapes.
- Possible danger related to microscopic parts of magnets can be dangerous, if swallowed, which is particularly important in the context of child health protection. Furthermore, small elements of these products can disrupt the diagnostic process medical after entering the body.
- With large orders the cost of neodymium magnets is a challenge,
Lifting parameters
Maximum magnetic pulling force – what it depends on?
- using a base made of mild steel, serving as a magnetic yoke
- possessing a thickness of minimum 10 mm to avoid saturation
- characterized by lack of roughness
- with direct contact (no coatings)
- for force applied at a right angle (in the magnet axis)
- at room temperature
Practical lifting capacity: influencing factors
- Distance (between the magnet and the metal), because even a tiny clearance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to varnish, corrosion or debris).
- Load vector – highest force is reached only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is typically many times smaller (approx. 1/5 of the lifting capacity).
- Base massiveness – too thin steel causes magnetic saturation, causing part of the power to be wasted into the air.
- Material composition – not every steel reacts the same. Alloy additives worsen the interaction with the magnet.
- Smoothness – full contact is obtained only on smooth steel. Rough texture reduce the real contact area, reducing force.
- Temperature influence – hot environment reduces pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity was assessed using a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, however under parallel forces the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet and the plate decreases the lifting capacity.
Safety rules for work with neodymium magnets
Keep away from electronics
Remember: rare earth magnets generate a field that confuses precision electronics. Maintain a separation from your phone, device, and navigation systems.
Handling rules
Before use, check safety instructions. Sudden snapping can break the magnet or injure your hand. Think ahead.
Swallowing risk
Product intended for adults. Small elements can be swallowed, causing severe trauma. Store away from kids and pets.
Metal Allergy
A percentage of the population suffer from a hypersensitivity to Ni, which is the typical protective layer for NdFeB magnets. Prolonged contact may cause a rash. We suggest use safety gloves.
ICD Warning
People with a heart stimulator must maintain an large gap from magnets. The magnetism can disrupt the functioning of the implant.
Magnets are brittle
NdFeB magnets are ceramic materials, meaning they are prone to chipping. Collision of two magnets leads to them shattering into small pieces.
Dust is flammable
Powder produced during cutting of magnets is combustible. Avoid drilling into magnets unless you are an expert.
Finger safety
Big blocks can break fingers instantly. Under no circumstances put your hand betwixt two strong magnets.
Keep away from computers
Device Safety: Neodymium magnets can damage payment cards and delicate electronics (pacemakers, medical aids, timepieces).
Operating temperature
Watch the temperature. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and strength.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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14.99 ZŁ
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Płatność przy odbiorze (pobranie):
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Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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