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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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Detailed specification - 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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Advantages as well as disadvantages of neodymium magnets.
Advantages
- They virtually do not lose strength, because even after ten years the performance loss is only ~1% (based on calculations),
- They have excellent resistance to magnetism drop due to external fields,
- A magnet with a shiny nickel surface looks better,
- Magnetic induction on the working layer of the magnet remains exceptional,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Possibility of accurate forming as well as optimizing to specific requirements,
- Versatile presence in future technologies – they are used in mass storage devices, electromotive mechanisms, diagnostic systems, and other advanced devices.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Limitations
- They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only shields the magnet but also improves its resistance to damage
- We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we recommend 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 those in rubber or plastics, which secure oxidation and corrosion.
- Due to limitations in creating threads and complex forms in magnets, we propose using a housing - magnetic holder.
- Potential hazard to health – tiny shards of magnets are risky, when accidentally swallowed, which is particularly important in the context of child health protection. It is also worth noting that small elements of these magnets can disrupt the diagnostic process medical in case of swallowing.
- With large orders the cost of neodymium magnets can be a barrier,
Pull force analysis
Maximum magnetic pulling force – what contributes to it?
- on a plate made of mild steel, optimally conducting the magnetic flux
- whose thickness equals approx. 10 mm
- with an polished contact surface
- under conditions of no distance (surface-to-surface)
- under vertical force vector (90-degree angle)
- at temperature room level
Lifting capacity in practice – influencing factors
- Clearance – the presence of any layer (rust, dirt, air) acts as an insulator, which lowers capacity steeply (even by 50% at 0.5 mm).
- Pull-off angle – note that the magnet has greatest strength perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the nominal value.
- Steel thickness – too thin steel does not close the flux, causing part of the flux to be wasted to the other side.
- Chemical composition of the base – mild steel gives the best results. Alloy admixtures reduce magnetic permeability and lifting capacity.
- Plate texture – smooth surfaces guarantee perfect abutment, which increases force. Uneven metal reduce efficiency.
- Temperature influence – hot environment weakens pulling force. Too high temperature can permanently damage 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 attempts to slide the magnet the load capacity is reduced by as much as fivefold. Additionally, even a minimal clearance between the magnet and the plate lowers the holding force.
H&S for magnets
Warning for allergy sufferers
Studies show that nickel (the usual finish) is a potent allergen. If your skin reacts to metals, prevent direct skin contact and select encased magnets.
Keep away from children
Only for adults. Small elements can be swallowed, causing serious injuries. Store away from kids and pets.
Threat to electronics
Do not bring magnets near a purse, computer, or TV. The magnetism can destroy these devices and wipe information from cards.
Do not underestimate power
Before starting, read the rules. Sudden snapping can break the magnet or injure your hand. Be predictive.
Pacemakers
Individuals with a ICD should keep an large gap from magnets. The magnetism can disrupt the functioning of the implant.
Do not drill into magnets
Fire warning: Neodymium dust is highly flammable. Avoid machining magnets without safety gear as this risks ignition.
Threat to navigation
GPS units and smartphones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can permanently damage the sensors in your phone.
Eye protection
Beware of splinters. Magnets can explode upon uncontrolled impact, launching shards into the air. We recommend safety glasses.
Physical harm
Large magnets can smash fingers in a fraction of a second. Never put your hand between two attracting surfaces.
Heat sensitivity
Monitor thermal conditions. Heating the magnet to high heat will destroy its properties and pulling force.
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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