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UMGB 75x28 [M10x3] GW F200 PLATINIUM + Lina GOBLIN / N52 - goblin magnetic holder
goblin magnetic holder
Catalog no 350441
GTIN/EAN: 5906301814832
Diameter Ø
75 mm [±1 mm]
Height
28 mm [±1 mm]
Weight
900 g
Magnetization Direction
↑ axial
Load capacity
365.00 kg / 3579.43 N
Coating
[NiCuNi] Nickel
280.00 ZŁ with VAT / pcs + price for transport
227.64 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical specification - UMGB 75x28 [M10x3] GW F200 PLATINIUM + Lina GOBLIN / N52 - goblin magnetic holder
Specification / characteristics - UMGB 75x28 [M10x3] GW F200 PLATINIUM + Lina GOBLIN / N52 - goblin magnetic holder
| properties | values |
|---|---|
| Cat. no. | 350441 |
| GTIN/EAN | 5906301814832 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 75 mm [±1 mm] |
| Height | 28 mm [±1 mm] |
| Weight | 900 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 365.00 kg / 3579.43 N |
| Coating | [NiCuNi] Nickel |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N52
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 14.2-14.7 | kGs |
| remenance Br [min. - max.] ? | 1420-1470 | mT |
| coercivity bHc ? | 10.8-12.5 | kOe |
| coercivity bHc ? | 860-995 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 48-53 | BH max MGOe |
| energy density [min. - max.] ? | 380-422 | BH max KJ/m |
| max. temperature ? | ≤ 80 | °C |
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% |
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 as well as disadvantages of neodymium magnets.
Advantages
- They do not lose strength, even over around ten years – the reduction in strength is only ~1% (theoretically),
- They possess excellent resistance to magnetic field loss as a result of external fields,
- Thanks to the glossy finish, the surface of nickel, gold, or silver gives an modern appearance,
- Magnets exhibit extremely high magnetic induction on the outer layer,
- Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
- Due to the ability of accurate forming and adaptation to individualized solutions, neodymium magnets can be modeled in a variety of geometric configurations, which makes them more universal,
- Versatile presence in advanced technology sectors – they are utilized in hard drives, electric drive systems, medical devices, as well as multitasking production systems.
- Thanks to concentrated force, small magnets offer high operating force, with minimal size,
Cons
- Brittleness is one of their disadvantages. Upon strong impact they can fracture. We advise keeping them in a steel housing, which not only secures them against impacts but also increases their durability
- When exposed to high temperature, neodymium magnets suffer a drop in power. 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
- They oxidize in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Limited possibility of making threads in the magnet and complicated shapes - preferred is casing - magnet mounting.
- Potential hazard resulting from small fragments of magnets can be dangerous, if swallowed, which becomes key in the context of child health protection. Furthermore, small elements of these products can be problematic in diagnostics medical when they are in the body.
- Due to complex production process, their price is higher than average,
Pull force analysis
Detachment force of the magnet in optimal conditions – what contributes to it?
- using a plate made of low-carbon steel, functioning as a circuit closing element
- with a cross-section of at least 10 mm
- characterized by smoothness
- under conditions of no distance (surface-to-surface)
- for force applied at a right angle (pull-off, not shear)
- at temperature room level
Impact of factors on magnetic holding capacity in practice
- Distance (betwixt the magnet and the metal), because even a tiny clearance (e.g. 0.5 mm) can cause a reduction in force by up to 50% (this also applies to paint, rust or dirt).
- Force direction – declared lifting capacity refers to pulling vertically. When slipping, the magnet exhibits significantly lower power (often approx. 20-30% of maximum force).
- Base massiveness – insufficiently thick steel does not accept the full field, causing part of the flux to be wasted to the other side.
- Steel grade – ideal substrate is high-permeability steel. Stainless steels may have worse magnetic properties.
- Plate texture – smooth surfaces ensure maximum contact, which increases force. Uneven metal reduce efficiency.
- Temperature influence – high temperature weakens magnetic field. Too high temperature can permanently damage the magnet.
Lifting capacity was measured by applying a polished steel plate of suitable thickness (min. 20 mm), under vertically applied force, whereas under attempts to slide the magnet the load capacity is reduced by as much as fivefold. In addition, even a slight gap between the magnet and the plate decreases the holding force.
Warnings
Warning for heart patients
Individuals with a pacemaker should keep an absolute distance from magnets. The magnetism can disrupt the functioning of the implant.
GPS Danger
Be aware: rare earth magnets produce a field that interferes with sensitive sensors. Maintain a safe distance from your mobile, device, and navigation systems.
Bone fractures
Protect your hands. Two powerful magnets will snap together immediately with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!
Immense force
Handle magnets with awareness. Their huge power can shock even experienced users. Plan your moves and respect their power.
Threat to electronics
Very strong magnetic fields can destroy records on credit cards, hard drives, and storage devices. Maintain a gap of at least 10 cm.
Product not for children
NdFeB magnets are not toys. Accidental ingestion of a few magnets can lead to them attracting across intestines, which poses a critical condition and requires urgent medical intervention.
Flammability
Mechanical processing of NdFeB material carries a risk of fire risk. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.
Do not overheat magnets
Regular neodymium magnets (N-type) lose magnetization when the temperature surpasses 80°C. The loss of strength is permanent.
Fragile material
NdFeB magnets are ceramic materials, meaning they are very brittle. Collision of two magnets will cause them breaking into small pieces.
Metal Allergy
A percentage of the population experience a hypersensitivity to Ni, which is the typical protective layer for NdFeB magnets. Extended handling can result in dermatitis. It is best to use safety 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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