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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 data of the product - 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 |
Material specification
| 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% |
Sustainability
| 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 rare earth magnets.
Benefits
- They do not lose magnetism, even after around ten years – the drop in power is only ~1% (based on measurements),
- Neodymium magnets are extremely resistant to demagnetization caused by magnetic disturbances,
- The use of an shiny layer of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
- Magnetic induction on the top side of the magnet is impressive,
- Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for operation at temperatures approaching 230°C and above...
- Possibility of accurate creating as well as modifying to specific applications,
- Versatile presence in modern industrial fields – they are used in data components, motor assemblies, medical devices, also technologically advanced constructions.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Limitations
- To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
- When exposed to high temperature, neodymium magnets experience a drop in power. 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
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
- Due to limitations in realizing threads and complicated shapes in magnets, we propose using cover - magnetic holder.
- Health risk to health – tiny shards of magnets are risky, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, small elements of these products can disrupt the diagnostic process medical when they are in the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Pull force analysis
Highest magnetic holding force – what contributes to it?
- using a base made of mild steel, serving as a ideal flux conductor
- with a thickness of at least 10 mm
- with a surface perfectly flat
- with total lack of distance (without impurities)
- under perpendicular force vector (90-degree angle)
- at standard ambient temperature
Determinants of lifting force in real conditions
- Gap (between the magnet and the plate), since even a microscopic distance (e.g. 0.5 mm) leads to a drastic drop in lifting capacity by up to 50% (this also applies to varnish, corrosion or dirt).
- Force direction – note that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the maximum value.
- Plate thickness – insufficiently thick plate does not accept the full field, causing part of the power to be escaped to the other side.
- Material composition – not every steel attracts identically. High carbon content weaken the interaction with the magnet.
- Surface condition – smooth surfaces ensure maximum contact, which increases field saturation. Uneven metal weaken the grip.
- Heat – neodymium magnets have a sensitivity to temperature. When it is hot they are weaker, and in frost gain strength (up to a certain limit).
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under shearing force the holding force is lower. In addition, even a slight gap between the magnet’s surface and the plate decreases the lifting capacity.
H&S for magnets
Crushing force
Protect your hands. Two large magnets will join instantly with a force of several hundred kilograms, destroying anything in their path. Be careful!
Data carriers
Device Safety: Neodymium magnets can ruin payment cards and delicate electronics (pacemakers, medical aids, timepieces).
Avoid contact if allergic
A percentage of the population have a contact allergy to Ni, which is the typical protective layer for neodymium magnets. Frequent touching might lead to dermatitis. We recommend use safety gloves.
Combustion hazard
Mechanical processing of NdFeB material poses a fire hazard. Neodymium dust reacts violently with oxygen and is hard to extinguish.
Compass and GPS
GPS units and smartphones are extremely sensitive to magnetic fields. Close proximity with a strong magnet can ruin the sensors in your phone.
Conscious usage
Before starting, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.
Magnets are brittle
Despite the nickel coating, neodymium is delicate and not impact-resistant. Do not hit, as the magnet may shatter into sharp, dangerous pieces.
Danger to the youngest
Neodymium magnets are not toys. Swallowing a few magnets may result in them connecting inside the digestive tract, which constitutes a critical condition and necessitates immediate surgery.
Thermal limits
Monitor thermal conditions. Heating the magnet to high heat will destroy its properties and strength.
Implant safety
Patients with a heart stimulator must maintain an large gap from magnets. The magnetism can disrupt the operation of the implant.
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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