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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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Physical properties - 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 |
Material specification
| 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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Advantages and disadvantages of rare earth magnets.
Pros
- They have stable power, and over around ten years their performance decreases symbolically – ~1% (in testing),
- They maintain their magnetic properties even under close interference source,
- By covering with a decorative coating of gold, the element has an nice look,
- Magnets are characterized by extremely high magnetic induction on the active area,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the shape) even at a temperature of 230°C or more...
- Thanks to modularity in forming and the capacity to customize to client solutions,
- Key role in advanced technology sectors – they are commonly used in HDD drives, electric motors, precision medical tools, also modern systems.
- Thanks to their power density, small magnets offer high operating force, in miniature format,
Limitations
- To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution secures the magnet and simultaneously improves its durability.
- Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape as well as 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 usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation as well as corrosion.
- We suggest a housing - magnetic mount, due to difficulties in producing threads inside the magnet and complex shapes.
- Possible danger to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child safety. Furthermore, small elements of these devices are able to disrupt the diagnostic process medical when they are in the body.
- Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications
Holding force characteristics
Detachment force of the magnet in optimal conditions – what contributes to it?
- with the application of a sheet made of low-carbon steel, guaranteeing full magnetic saturation
- possessing a massiveness of minimum 10 mm to avoid saturation
- with a plane free of scratches
- with direct contact (no impurities)
- during detachment in a direction vertical to the mounting surface
- at ambient temperature approx. 20 degrees Celsius
Determinants of lifting force in real conditions
- Clearance – the presence of foreign body (rust, tape, gap) acts as an insulator, which lowers power steeply (even by 50% at 0.5 mm).
- Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (typically approx. 20-30% of nominal force).
- Plate thickness – too thin sheet does not close the flux, causing part of the power to be wasted to the other side.
- Material composition – different alloys attracts identically. Alloy additives worsen the attraction effect.
- Surface structure – the smoother and more polished the surface, the larger the contact zone and stronger the hold. Roughness creates an air distance.
- Temperature influence – hot environment weakens magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity testing was performed on a smooth plate of suitable thickness, under a perpendicular pulling force, however under parallel forces the holding force is lower. Additionally, even a small distance between the magnet’s surface and the plate reduces the lifting capacity.
Safe handling of NdFeB magnets
Caution required
Before starting, check safety instructions. Uncontrolled attraction can break the magnet or injure your hand. Be predictive.
Hand protection
Danger of trauma: The attraction force is so immense that it can result in blood blisters, crushing, and broken bones. Protective gloves are recommended.
Danger to the youngest
Only for adults. Small elements can be swallowed, leading to intestinal necrosis. Keep away from children and animals.
Permanent damage
Watch the temperature. Exposing the magnet above 80 degrees Celsius will destroy its magnetic structure and strength.
Precision electronics
Note: rare earth magnets generate a field that interferes with sensitive sensors. Keep a safe distance from your phone, tablet, and GPS.
Do not drill into magnets
Mechanical processing of NdFeB material carries a risk of fire hazard. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.
Nickel coating and allergies
Nickel alert: The nickel-copper-nickel coating consists of nickel. If an allergic reaction happens, immediately stop handling magnets and wear gloves.
Warning for heart patients
Medical warning: Neodymium magnets can deactivate pacemakers and defibrillators. Stay away if you have medical devices.
Cards and drives
Powerful magnetic fields can destroy records on credit cards, hard drives, and other magnetic media. Keep a distance of min. 10 cm.
Material brittleness
Despite metallic appearance, the material is delicate and cannot withstand shocks. Avoid impacts, as the magnet may crumble into hazardous fragments.
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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