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UMGB 97x40 [M8+M10] GW F300 +Lina GOBLIN / N38 - goblin magnetic holder
goblin magnetic holder
Catalog no 350439
GTIN/EAN: 5906301814818
Diameter Ø
97 mm [±1 mm]
Height
40 mm [±1 mm]
Weight
2200 g
Magnetization Direction
↑ axial
Load capacity
380.00 kg / 3726.53 N
Coating
[NiCuNi] Nickel
485.00 ZŁ with VAT / pcs + price for transport
394.31 ZŁ net + 23% VAT / pcs
bulk discounts:
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Force along with shape of neodymium magnets can be checked on our
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Technical specification - UMGB 97x40 [M8+M10] GW F300 +Lina GOBLIN / N38 - goblin magnetic holder
Specification / characteristics - UMGB 97x40 [M8+M10] GW F300 +Lina GOBLIN / N38 - goblin magnetic holder
| properties | values |
|---|---|
| Cat. no. | 350439 |
| GTIN/EAN | 5906301814818 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 97 mm [±1 mm] |
| Height | 40 mm [±1 mm] |
| Weight | 2200 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 380.00 kg / 3726.53 N |
| Coating | [NiCuNi] Nickel |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N38
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 12.2-12.6 | kGs |
| remenance Br [min. - max.] ? | 1220-1260 | mT |
| coercivity bHc ? | 10.8-11.5 | kOe |
| coercivity bHc ? | 860-915 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 36-38 | BH max MGOe |
| energy density [min. - max.] ? | 287-303 | 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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Strengths as well as weaknesses of rare earth magnets.
Benefits
- Their magnetic field remains stable, and after approximately ten years it decreases only by ~1% (theoretically),
- They possess excellent resistance to magnetic field loss as a result of external magnetic sources,
- Thanks to the smooth finish, the coating of nickel, gold, or silver gives an clean appearance,
- They are known for high magnetic induction at the operating surface, making them more effective,
- Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for functioning at temperatures reaching 230°C and above...
- Possibility of individual shaping as well as optimizing to atypical needs,
- Wide application in innovative solutions – they find application in data components, brushless drives, medical devices, as well as modern systems.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Weaknesses
- To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution protects the magnet and simultaneously increases its durability.
- NdFeB magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape and 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
- Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- Limited ability of making threads in the magnet and complex forms - preferred is cover - magnet mounting.
- Health risk related to microscopic parts of magnets pose a threat, in case of ingestion, which becomes key in the context of child safety. It is also worth noting that small elements of these products are able to disrupt the diagnostic process medical when they are in the body.
- With mass production the cost of neodymium magnets is a challenge,
Holding force characteristics
Maximum magnetic pulling force – what contributes to it?
- on a base made of mild steel, perfectly concentrating the magnetic flux
- possessing a massiveness of min. 10 mm to ensure full flux closure
- characterized by smoothness
- with total lack of distance (no paint)
- during pulling in a direction perpendicular to the plane
- at ambient temperature approx. 20 degrees Celsius
Practical lifting capacity: influencing factors
- Gap between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by varnish or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
- Loading method – catalog parameter refers to detachment vertically. When attempting to slide, the magnet holds much less (often approx. 20-30% of nominal force).
- Base massiveness – too thin steel does not accept the full field, causing part of the flux to be wasted to the other side.
- Material composition – different alloys reacts the same. Alloy additives weaken the attraction effect.
- Smoothness – ideal contact is obtained only on polished steel. Rough texture create air cushions, reducing force.
- Temperature influence – hot environment weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity was determined with the use of a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular pulling force, however under parallel forces the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate lowers the load capacity.
Warnings
Electronic devices
Data protection: Neodymium magnets can ruin payment cards and delicate electronics (heart implants, medical aids, timepieces).
GPS Danger
Remember: neodymium magnets produce a field that disrupts precision electronics. Maintain a separation from your mobile, device, and navigation systems.
Medical implants
Individuals with a heart stimulator have to keep an absolute distance from magnets. The magnetism can interfere with the functioning of the life-saving device.
Heat warning
Control the heat. Exposing the magnet above 80 degrees Celsius will ruin its magnetic structure and strength.
Fragile material
Watch out for shards. Magnets can explode upon violent connection, ejecting sharp fragments into the air. We recommend safety glasses.
Warning for allergy sufferers
Allergy Notice: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction happens, cease working with magnets and wear gloves.
Pinching danger
Big blocks can smash fingers in a fraction of a second. Do not put your hand between two attracting surfaces.
No play value
Always keep magnets out of reach of children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are life-threatening.
Immense force
Before use, check safety instructions. Uncontrolled attraction can break the magnet or hurt your hand. Be predictive.
Dust is flammable
Dust generated during cutting of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.
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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