XT-4 magnetyzery CO i WODY użytkowej - XT-4 magnetizer
XT-4 magnetizer
Catalog no 050245
GTIN/EAN: 5906301812395
80.48 zł net / pcs
98.99 zł with VAT (23% VAT) / pcs
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Technical parameters 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 | 310 | °C |
| Curie Temperature TF | 590 | °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 and cons of Nd2Fe14B magnets.
Benefits
- Their power remains stable, and after approximately ten years it decreases only by ~1% (according to research),
- They possess excellent resistance to magnetism drop as a result of external magnetic sources,
- A magnet with a metallic gold surface has better aesthetics,
- The surface of neodymium magnets generates a strong magnetic field – this is a key feature,
- Thanks to resistance to high temperature, they are capable of working (depending on the shape) even at temperatures up to 230°C and higher...
- Thanks to freedom in constructing and the capacity to adapt to unusual requirements,
- Versatile presence in innovative solutions – they are commonly used in magnetic memories, brushless drives, precision medical tools, also other advanced devices.
- Thanks to their power density, small magnets offer high operating force, with minimal size,
Cons
- To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
- When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture, in case of application outdoors
- We suggest cover - magnetic mount, due to difficulties in producing threads inside the magnet and complex shapes.
- Potential hazard resulting from small fragments of magnets are risky, if swallowed, which gains importance in the aspect of protecting the youngest. It is also worth noting that small elements of these magnets are able to be problematic in diagnostics medical when they are in the body.
- Due to expensive raw materials, their price is relatively high,
Lifting parameters
Optimal lifting capacity of a neodymium magnet – what contributes to it?
- on a plate made of mild steel, effectively closing the magnetic field
- whose thickness is min. 10 mm
- with a plane free of scratches
- without the slightest insulating layer between the magnet and steel
- during pulling in a direction perpendicular to the mounting surface
- at room temperature
Key elements affecting lifting force
- Clearance – existence of any layer (paint, tape, air) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
- Pull-off angle – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the maximum value.
- Steel thickness – insufficiently thick plate causes magnetic saturation, causing part of the power to be wasted to the other side.
- Material type – the best choice is high-permeability steel. Hardened steels may have worse magnetic properties.
- Smoothness – ideal contact is obtained only on smooth steel. Rough texture create air cushions, reducing force.
- Temperature influence – hot environment reduces pulling force. Too high temperature can permanently demagnetize the magnet.
Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under parallel forces the lifting capacity is smaller. In addition, even a minimal clearance between the magnet and the plate reduces the load capacity.
H&S for magnets
No play value
Adult use only. Small elements can be swallowed, leading to intestinal necrosis. Keep out of reach of kids and pets.
Combustion hazard
Dust generated during machining of magnets is flammable. Do not drill into magnets unless you are an expert.
Implant safety
For implant holders: Strong magnetic fields affect electronics. Keep at least 30 cm distance or request help to work with the magnets.
Nickel allergy
Studies show that the nickel plating (the usual finish) is a strong allergen. If your skin reacts to metals, avoid touching magnets with bare hands and opt for coated magnets.
Bodily injuries
Mind your fingers. Two large magnets will join instantly with a force of massive weight, crushing anything in their path. Exercise extreme caution!
Electronic devices
Data protection: Neodymium magnets can ruin data carriers and sensitive devices (heart implants, hearing aids, timepieces).
Do not overheat magnets
Watch the temperature. Heating the magnet above 80 degrees Celsius will destroy its properties and strength.
Shattering risk
NdFeB magnets are sintered ceramics, which means they are prone to chipping. Clashing of two magnets will cause them cracking into shards.
Safe operation
Handle magnets with awareness. Their immense force can shock even experienced users. Stay alert and respect their force.
Threat to navigation
Navigation devices and mobile phones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can ruin the sensors in your phone.
