XT-4 magnetyzery CO i WODY użytkowej - XT-4 magnetizer
XT-4 magnetizer
Catalog no 050245
GTIN/EAN: 5906301812395
Weight
228 g
98.99 ZŁ with VAT / pcs + price for transport
80.48 ZŁ net + 23% VAT / pcs
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Technical of the product - XT-4 magnetyzery CO i WODY użytkowej - XT-4 magnetizer
Specification / characteristics - XT-4 magnetyzery CO i WODY użytkowej - XT-4 magnetizer
| properties | values |
|---|---|
| Cat. no. | 050245 |
| GTIN/EAN | 5906301812395 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 228 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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Strengths and weaknesses of rare earth magnets.
Advantages
- Their power is durable, and after around ten years it decreases only by ~1% (theoretically),
- They are noted for resistance to demagnetization induced by external magnetic fields,
- The use of an elegant coating of noble metals (nickel, gold, silver) causes the element to have aesthetics,
- They are known for high magnetic induction at the operating surface, which increases their power,
- 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...
- Possibility of individual shaping as well as adjusting to complex requirements,
- Key role in future technologies – they serve a role in hard drives, electromotive mechanisms, precision medical tools, also modern systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in small systems
Cons
- Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a special holder, which not only secures them against impacts but also raises their durability
- NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
- When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
- Due to limitations in creating threads and complicated shapes in magnets, we propose using casing - magnetic mechanism.
- Health risk to health – tiny shards of magnets are risky, when accidentally swallowed, which becomes key in the context of child health protection. It is also worth noting that tiny parts of these magnets can complicate diagnosis medical after entering the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Holding force characteristics
Optimal lifting capacity of a neodymium magnet – what affects it?
- using a sheet made of mild steel, serving as a magnetic yoke
- with a cross-section of at least 10 mm
- with a plane perfectly flat
- under conditions of no distance (surface-to-surface)
- under perpendicular application of breakaway force (90-degree angle)
- at ambient temperature room level
Determinants of practical lifting force of a magnet
- Gap between surfaces – even a fraction of a millimeter of separation (caused e.g. by veneer or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
- Pull-off angle – note that the magnet has greatest strength perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the nominal value.
- Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet limits the lifting capacity (the magnet "punches through" it).
- Material type – the best choice is high-permeability steel. Cast iron may generate lower lifting capacity.
- Surface condition – ground elements ensure maximum contact, which improves force. Uneven metal weaken the grip.
- Thermal environment – heating the magnet results in weakening of induction. Check the maximum operating temperature for a given model.
Lifting capacity was assessed using a polished steel plate of optimal thickness (min. 20 mm), under vertically applied force, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.
Precautions when working with neodymium magnets
Machining danger
Fire hazard: Rare earth powder is highly flammable. Do not process magnets without safety gear as this risks ignition.
Heat sensitivity
Standard neodymium magnets (N-type) lose power when the temperature goes above 80°C. This process is irreversible.
Magnetic media
Equipment safety: Neodymium magnets can ruin payment cards and sensitive devices (heart implants, medical aids, mechanical watches).
Bodily injuries
Large magnets can break fingers in a fraction of a second. Never put your hand between two strong magnets.
This is not a toy
These products are not intended for children. Accidental ingestion of a few magnets may result in them attracting across intestines, which poses a critical condition and requires immediate surgery.
ICD Warning
Health Alert: Neodymium magnets can turn off heart devices and defibrillators. Stay away if you have electronic implants.
Protective goggles
Despite metallic appearance, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.
Phone sensors
Be aware: rare earth magnets generate a field that confuses precision electronics. Keep a separation from your phone, tablet, and GPS.
Skin irritation risks
Medical facts indicate that nickel (standard magnet coating) is a strong allergen. For allergy sufferers, prevent direct skin contact and choose versions in plastic housing.
Powerful field
Be careful. Rare earth magnets attract from a distance and snap with massive power, often faster than you can react.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
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Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
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Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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