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
bulk discounts:
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Technical - 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 |
Chemical composition
| 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% |
Sustainability
| 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 neodymium magnets.
Pros
- They virtually do not lose strength, because even after 10 years the decline in efficiency is only ~1% (according to literature),
- They are noted for resistance to demagnetization induced by external magnetic fields,
- In other words, due to the reflective surface of silver, the element is aesthetically pleasing,
- The surface of neodymium magnets generates a concentrated magnetic field – this is a key feature,
- Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of custom machining as well as modifying to precise applications,
- Wide application in modern industrial fields – they are utilized in HDD drives, motor assemblies, medical equipment, as well as modern systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which enables their usage in small systems
Cons
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also increases its resistance to damage
- When exposed to high temperature, neodymium magnets suffer a drop in force. 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
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
- We suggest a housing - magnetic mechanism, due to difficulties in creating nuts inside the magnet and complicated forms.
- Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, tiny parts of these products are able to disrupt the diagnostic process medical in case of swallowing.
- Due to complex production process, their price is higher than average,
Lifting parameters
Highest magnetic holding force – what contributes to it?
- on a plate made of structural steel, optimally conducting the magnetic flux
- whose transverse dimension reaches at least 10 mm
- with an polished touching surface
- under conditions of no distance (metal-to-metal)
- during detachment in a direction perpendicular to the mounting surface
- in temp. approx. 20°C
Impact of factors on magnetic holding capacity in practice
- Distance – the presence of any layer (paint, tape, gap) acts as an insulator, which lowers power rapidly (even by 50% at 0.5 mm).
- Loading method – catalog parameter refers to pulling vertically. When attempting to slide, the magnet exhibits significantly lower power (typically 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 generating force.
- Material composition – not every steel reacts the same. Alloy additives weaken the attraction effect.
- Surface structure – the more even the plate, the larger the contact zone and higher the lifting capacity. Unevenness acts like micro-gaps.
- Temperature influence – high temperature weakens magnetic field. Too high temperature can permanently demagnetize the magnet.
Lifting capacity was measured with the use of a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, whereas under parallel forces the holding force is lower. Moreover, even a slight gap between the magnet’s surface and the plate lowers the load capacity.
Precautions when working with neodymium magnets
Safe distance
Data protection: Strong magnets can damage payment cards and delicate electronics (pacemakers, medical aids, timepieces).
Compass and GPS
A strong magnetic field interferes with the functioning of magnetometers in phones and GPS navigation. Keep magnets close to a device to prevent damaging the sensors.
Demagnetization risk
Monitor thermal conditions. Exposing the magnet above 80 degrees Celsius will permanently weaken its magnetic structure and pulling force.
Skin irritation risks
Studies show that nickel (the usual finish) is a strong allergen. For allergy sufferers, prevent touching magnets with bare hands or choose coated magnets.
No play value
NdFeB magnets are not suitable for play. Eating several magnets can lead to them connecting inside the digestive tract, which constitutes a direct threat to life and necessitates immediate surgery.
Bodily injuries
Watch your fingers. Two powerful magnets will snap together instantly with a force of massive weight, destroying anything in their path. Exercise extreme caution!
Fragile material
Despite the nickel coating, the material is brittle and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.
Safe operation
Handle with care. Neodymium magnets attract from a long distance and snap with huge force, often quicker than you can move away.
Dust is flammable
Fire warning: Rare earth powder is highly flammable. Do not process magnets without safety gear as this risks ignition.
ICD Warning
Warning for patients: Powerful magnets affect electronics. Keep at least 30 cm distance or ask another person to work with the magnets.
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