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BM 700x180x75 [8xM10] - magnetic beam
magnetic beam
Catalog no 090472
GTIN/EAN: 5906301812616
length
700 mm [±1 mm]
Width
180 mm [±1 mm]
Height
75 mm [±1 mm]
Weight
35000 g
6150.00 ZŁ with VAT / pcs + price for transport
5000.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical of the product - BM 700x180x75 [8xM10] - magnetic beam
Specification / characteristics - BM 700x180x75 [8xM10] - magnetic beam
| properties | values |
|---|---|
| Cat. no. | 090472 |
| GTIN/EAN | 5906301812616 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| length | 700 mm [±1 mm] |
| Width | 180 mm [±1 mm] |
| Height | 75 mm [±1 mm] |
| Weight | 35000 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% |
Ecology and recycling (GPSR)
| 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 Nd2Fe14B magnets.
Benefits
- They virtually do not lose strength, because even after ten years the performance loss is only ~1% (according to literature),
- They feature excellent resistance to weakening of magnetic properties as a result of external fields,
- By covering with a shiny coating of silver, the element acquires an proper look,
- The surface of neodymium magnets generates a powerful magnetic field – this is a distinguishing feature,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
- Thanks to the ability of free molding and customization to individualized projects, NdFeB magnets can be manufactured in a broad palette of forms and dimensions, which makes them more universal,
- Universal use in innovative solutions – they serve a role in mass storage devices, brushless drives, precision medical tools, as well as multitasking production systems.
- Thanks to their power density, small magnets offer high operating force, occupying minimum space,
Disadvantages
- To avoid cracks upon strong impacts, we recommend using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
- We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
- Magnets exposed to a humid environment can corrode. Therefore during using outdoors, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture
- Due to limitations in realizing threads and complicated forms in magnets, we recommend using casing - magnetic holder.
- Potential hazard resulting from small fragments of magnets pose a threat, if swallowed, which is particularly important in the context of child health protection. It is also worth noting that small components of these devices can be problematic in diagnostics medical in case of swallowing.
- With large orders the cost of neodymium magnets is economically unviable,
Lifting parameters
Detachment force of the magnet in optimal conditions – what affects it?
- on a plate made of mild steel, optimally conducting the magnetic flux
- with a cross-section of at least 10 mm
- with an polished contact surface
- without the slightest insulating layer between the magnet and steel
- under axial application of breakaway force (90-degree angle)
- at conditions approx. 20°C
Determinants of practical lifting force of a magnet
- Space between magnet and steel – every millimeter of separation (caused e.g. by varnish or dirt) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Force direction – declared lifting capacity refers to detachment vertically. When slipping, the magnet exhibits significantly lower power (typically approx. 20-30% of nominal force).
- Element thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal limits the attraction force (the magnet "punches through" it).
- Steel type – mild steel attracts best. Alloy admixtures lower magnetic permeability and lifting capacity.
- Surface condition – ground elements guarantee perfect abutment, which increases force. Rough surfaces weaken the grip.
- Temperature – temperature increase results in weakening of force. Check the maximum operating temperature for a given model.
Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, in contrast under parallel forces the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the holding force.
Precautions when working with neodymium magnets
Product not for children
NdFeB magnets are not toys. Accidental ingestion of several magnets may result in them connecting inside the digestive tract, which poses a critical condition and requires urgent medical intervention.
Health Danger
Individuals with a ICD must keep an safe separation from magnets. The magnetic field can interfere with the functioning of the life-saving device.
Mechanical processing
Fire warning: Rare earth powder is highly flammable. Avoid machining magnets in home conditions as this may cause fire.
Electronic devices
Avoid bringing magnets near a wallet, laptop, or TV. The magnetism can permanently damage these devices and erase data from cards.
Impact on smartphones
Be aware: neodymium magnets produce a field that confuses precision electronics. Maintain a safe distance from your mobile, tablet, and GPS.
Thermal limits
Keep cool. NdFeB magnets are susceptible to temperature. If you require operation above 80°C, ask us about HT versions (H, SH, UH).
Fragile material
NdFeB magnets are sintered ceramics, meaning they are fragile like glass. Clashing of two magnets leads to them breaking into small pieces.
Finger safety
Protect your hands. Two large magnets will join instantly with a force of several hundred kilograms, destroying everything in their path. Be careful!
Caution required
Exercise caution. Rare earth magnets attract from a long distance and connect with massive power, often faster than you can move away.
Metal Allergy
A percentage of the population have a hypersensitivity to nickel, which is the typical protective layer for NdFeB magnets. Frequent touching can result in skin redness. We suggest use protective 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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