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AM szekla [M10] - magnetic accessories
magnetic accessories
Catalog no 080267
GTIN/EAN: 5906301812463
Weight
118 g
Load capacity
320.00 kg / 3138.13 N
4.92 ZŁ with VAT / pcs + price for transport
4.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical specification - AM szekla [M10] - magnetic accessories
Specification / characteristics - AM szekla [M10] - magnetic accessories
| properties | values |
|---|---|
| Cat. no. | 080267 |
| GTIN/EAN | 5906301812463 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 118 g |
| Load capacity ~ ? | 320.00 kg / 3138.13 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 |
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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Strengths as well as weaknesses of Nd2Fe14B magnets.
Strengths
- They do not lose strength, even over approximately ten years – the drop in power is only ~1% (based on measurements),
- They have excellent resistance to weakening of magnetic properties when exposed to external magnetic sources,
- Thanks to the metallic finish, the layer of nickel, gold-plated, or silver-plated gives an clean appearance,
- Magnets exhibit very high magnetic induction on the outer side,
- Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures reaching 230°C and above...
- Possibility of individual creating and modifying to precise conditions,
- Significant place in electronics industry – they find application in HDD drives, brushless drives, precision medical tools, also complex engineering applications.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Cons
- Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We advise keeping them in a special holder, which not only secures them against impacts but also increases their durability
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation as well as corrosion.
- Due to limitations in realizing threads and complicated forms in magnets, we propose using a housing - magnetic mount.
- Potential hazard resulting from small fragments of magnets are risky, if swallowed, which becomes key in the aspect of protecting the youngest. It is also worth noting that small components of these magnets are able to be problematic in diagnostics medical when they are in the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which can limit application in large quantities
Holding force characteristics
Optimal lifting capacity of a neodymium magnet – what it depends on?
- using a plate made of low-carbon steel, acting as a circuit closing element
- whose thickness reaches at least 10 mm
- with an ground contact surface
- without any insulating layer between the magnet and steel
- under axial application of breakaway force (90-degree angle)
- at room temperature
Lifting capacity in practice – influencing factors
- Space between magnet and steel – every millimeter of distance (caused e.g. by veneer or dirt) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Loading method – catalog parameter refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (often approx. 20-30% of nominal force).
- Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet limits the attraction force (the magnet "punches through" it).
- Chemical composition of the base – mild steel gives the best results. Alloy admixtures reduce magnetic permeability and holding force.
- Surface finish – full contact is obtained only on polished steel. Rough texture reduce the real contact area, weakening the magnet.
- Thermal conditions – neodymium magnets have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures gain strength (up to a certain limit).
Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under perpendicular forces, whereas under attempts to slide the magnet the lifting capacity is smaller. In addition, even a small distance between the magnet’s surface and the plate reduces the load capacity.
H&S for magnets
Heat warning
Regular neodymium magnets (grade N) undergo demagnetization when the temperature exceeds 80°C. This process is irreversible.
No play value
Neodymium magnets are not suitable for play. Eating a few magnets can lead to them attracting across intestines, which constitutes a severe health hazard and necessitates immediate surgery.
Health Danger
For implant holders: Strong magnetic fields affect medical devices. Maintain at least 30 cm distance or request help to work with the magnets.
Risk of cracking
Protect your eyes. Magnets can explode upon uncontrolled impact, launching sharp fragments into the air. Wear goggles.
Magnetic media
Do not bring magnets near a wallet, computer, or TV. The magnetic field can irreversibly ruin these devices and erase data from cards.
Precision electronics
Navigation devices and mobile phones are highly sensitive to magnetic fields. Direct contact with a powerful NdFeB magnet can decalibrate the sensors in your phone.
Fire warning
Powder created during grinding of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.
Handling rules
Before starting, read the rules. Sudden snapping can break the magnet or hurt your hand. Be predictive.
Warning for allergy sufferers
Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If an allergic reaction appears, cease handling magnets and wear gloves.
Bodily injuries
Danger of trauma: The attraction force is so great that it can cause blood blisters, pinching, and broken bones. Use thick gloves.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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