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UMGB 75x28 [M8+M10] GW F200 +Lina GOBLIN / N38 - goblin magnetic holder
goblin magnetic holder
Catalog no 350436
GTIN/EAN: 5906301814788
Diameter Ø
75 mm [±1 mm]
Height
28 mm [±1 mm]
Weight
900 g
Magnetization Direction
↑ axial
Load capacity
280.00 kg / 2745.86 N
Coating
[NiCuNi] Nickel
215.00 ZŁ with VAT / pcs + price for transport
174.80 ZŁ net + 23% VAT / pcs
bulk discounts:
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Force along with shape of neodymium magnets can be tested using our
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Detailed specification - UMGB 75x28 [M8+M10] GW F200 +Lina GOBLIN / N38 - goblin magnetic holder
Specification / characteristics - UMGB 75x28 [M8+M10] GW F200 +Lina GOBLIN / N38 - goblin magnetic holder
| properties | values |
|---|---|
| Cat. no. | 350436 |
| GTIN/EAN | 5906301814788 |
| 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 ~ ? | 280.00 kg / 2745.86 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 |
Chemical composition
| 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 |
Other proposals
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Strengths as well as weaknesses of rare earth magnets.
Benefits
- They have constant strength, and over nearly 10 years their performance decreases symbolically – ~1% (in testing),
- They are resistant to demagnetization induced by external field influence,
- Thanks to the elegant finish, the layer of Ni-Cu-Ni, gold, or silver gives an clean appearance,
- Magnets are distinguished by extremely high magnetic induction on the surface,
- Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can work (depending on the shape) even at a temperature of 230°C or more...
- Thanks to the potential of flexible molding and customization to individualized needs, magnetic components can be produced in a wide range of shapes and sizes, which makes them more universal,
- Universal use in high-tech industry – they serve a role in hard drives, drive modules, medical equipment, also industrial machines.
- Thanks to concentrated force, small magnets offer high operating force, in miniature format,
Disadvantages
- They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also improves its resistance to damage
- When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- Magnets exposed to a humid environment can rust. Therefore during using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material protecting against moisture
- We recommend casing - magnetic mount, due to difficulties in producing nuts inside the magnet and complicated forms.
- Possible danger related to microscopic parts of magnets can be dangerous, if swallowed, which is particularly important in the context of child health protection. Additionally, small components of these devices can be problematic in diagnostics medical in case of swallowing.
- Due to complex production process, their price is higher than average,
Lifting parameters
Magnetic strength at its maximum – what it depends on?
- on a block made of mild steel, optimally conducting the magnetic field
- whose transverse dimension is min. 10 mm
- with an ground contact surface
- under conditions of gap-free contact (surface-to-surface)
- for force acting at a right angle (pull-off, not shear)
- in stable room temperature
Determinants of lifting force in real conditions
- Gap (betwixt the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) leads to a decrease in force by up to 50% (this also applies to paint, corrosion or dirt).
- Loading method – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet exhibits significantly lower power (typically approx. 20-30% of maximum force).
- Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of generating force.
- Material composition – different alloys reacts the same. Alloy additives weaken the attraction effect.
- Surface condition – ground elements ensure maximum contact, which improves force. Uneven metal reduce efficiency.
- Temperature – temperature increase results in weakening of induction. Check the maximum operating temperature for a given model.
Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, in contrast under parallel forces the holding force is lower. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the holding force.
H&S for magnets
Protective goggles
Despite the nickel coating, the material is delicate and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.
Serious injuries
Mind your fingers. Two powerful magnets will snap together immediately with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!
ICD Warning
Patients with a pacemaker must maintain an absolute distance from magnets. The magnetism can disrupt the functioning of the life-saving device.
Permanent damage
Regular neodymium magnets (N-type) undergo demagnetization when the temperature surpasses 80°C. Damage is permanent.
Impact on smartphones
GPS units and mobile phones are highly susceptible to magnetic fields. Direct contact with a powerful NdFeB magnet can ruin the sensors in your phone.
Do not give to children
NdFeB magnets are not toys. Accidental ingestion of several magnets may result in them connecting inside the digestive tract, which poses a direct threat to life and necessitates urgent medical intervention.
Electronic hazard
Device Safety: Strong magnets can ruin payment cards and delicate electronics (heart implants, medical aids, timepieces).
Respect the power
Use magnets with awareness. Their huge power can surprise even experienced users. Stay alert and respect their force.
Mechanical processing
Dust generated during cutting of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.
Nickel coating and allergies
Certain individuals have a contact allergy to nickel, which is the standard coating for neodymium magnets. Frequent touching might lead to a rash. 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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