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UMP 94x40 [3xM10] GW F550 Silver Black Lina / N52 - search holder
search holder
Catalog no 210491
GTIN/EAN: 5906301814153
Diameter Ø
94 mm [±1 mm]
Height
40 mm [±1 mm]
Weight
2262 g
Magnetization Direction
↑ axial
Load capacity
650.00 kg / 6374.32 N
Coating
[Epoxy] Epoxy
Magnetic Flux
~ 11 000 Gauss [±5%]
400.00 ZŁ with VAT / pcs + price for transport
325.20 ZŁ net + 23% VAT / pcs
bulk discounts:
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💡 Check why professionals choose Dhit over cheap substitutes
Don't be fooled by amateur online tests – go for certified quality and specific parameters that guarantee success:
- 📏 Magnet thickness in the casing (min. 10mm) – This is what matters most! Thin magnets are weak. Thanks to the 1cm thickness of N52 neodymium, your magnet "sees" metal even through thick rust and mud.
- 🛡️ Armored protection (Black Epoxy) – Forget about rust. This coating doesn't chip when hitting rocks and protects the magnet in water much better than regular nickel, which fails quickly.
- 🧲 Eyelets that don't steal power – Made of special non-magnetic steel, so they don't stick to the magnet and don't block the force. Important: mount only one eyelet at a time! Using 3 at once is a mistake that weakens the magnet.
- 🧶 Certified rope (min. 8mm) – You gain the certainty that your gear won't stay at the bottom. It's thick and comfortable, so it doesn't cut your fingers when pulling out heavy scrap metal.
- 🚀 Our advantage: We are the only ones combining the strongest N52 neodymium (10mm thick) with non-magnetic eyelets. This is real power and durability you won't find anywhere else.
Invest in solid equipment and enjoy the results!
Detailed specification - UMP 94x40 [3xM10] GW F550 Silver Black Lina / N52 - search holder
Specification / characteristics - UMP 94x40 [3xM10] GW F550 Silver Black Lina / N52 - search holder
| properties | values |
|---|---|
| Cat. no. | 210491 |
| GTIN/EAN | 5906301814153 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 94 mm [±1 mm] |
| Height | 40 mm [±1 mm] |
| Weight | 2262 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 650.00 kg / 6374.32 N |
| Coating | [Epoxy] Epoxy |
| Series | SilverBlack |
| Holder Type | 2 sided |
| Material Type | Structural steel S235 (ferrous) |
| Magnetic Flux | ~ 11 000 Gauss [±5%] |
| Rope Length | 25 m |
| Rope Capacity | ~ 1595 kg |
| Rope Diameter | Ø 8 mm |
| Gloves | 1 pair |
| Size/Mount Quantity | 3xM10 |
| 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% |
Sustainability
| 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 Nd2Fe14B magnets.
Strengths
- Their magnetic field is maintained, and after around ten years it decreases only by ~1% (theoretically),
- They are extremely resistant to demagnetization induced by external disturbances,
- A magnet with a shiny nickel surface is more attractive,
- They show high magnetic induction at the operating surface, which improves attraction properties,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
- Considering the ability of accurate forming and adaptation to individualized needs, magnetic components can be created in a wide range of shapes and sizes, which makes them more universal,
- Significant place in advanced technology sectors – they are used in data components, electric motors, advanced medical instruments, also industrial machines.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in miniature devices
Cons
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also improves its resistance to damage
- Neodymium magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as 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
- They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- We suggest a housing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex shapes.
- Health risk resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the context of child safety. Additionally, tiny parts of these devices can disrupt the diagnostic process medical after entering the body.
- With mass production the cost of neodymium magnets can be a barrier,
Holding force characteristics
Optimal lifting capacity of a neodymium magnet – what affects it?
- using a plate made of high-permeability steel, serving as a circuit closing element
- whose transverse dimension reaches at least 10 mm
- with an ground touching surface
- under conditions of ideal adhesion (metal-to-metal)
- for force acting at a right angle (pull-off, not shear)
- at standard ambient temperature
Key elements affecting lifting force
- Air gap (betwixt the magnet and the plate), because even a tiny distance (e.g. 0.5 mm) leads to a drastic drop in force by up to 50% (this also applies to paint, corrosion or debris).
- Angle of force application – highest force is obtained only during perpendicular pulling. The resistance to sliding of the magnet along the plate is typically many times lower (approx. 1/5 of the lifting capacity).
- Element thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
- Material type – ideal substrate is pure iron steel. Cast iron may have worse magnetic properties.
- Surface condition – smooth surfaces guarantee perfect abutment, which improves field saturation. Uneven metal reduce efficiency.
- Thermal factor – hot environment reduces magnetic field. Exceeding the limit temperature can permanently damage the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under perpendicular forces, whereas under attempts to slide the magnet the load capacity is reduced by as much as 5 times. In addition, even a minimal clearance between the magnet and the plate reduces the lifting capacity.
Safety rules for work with NdFeB magnets
Implant safety
Life threat: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have electronic implants.
Electronic devices
Intense magnetic fields can destroy records on credit cards, HDDs, and storage devices. Maintain a gap of min. 10 cm.
Bone fractures
Big blocks can smash fingers instantly. Do not place your hand between two attracting surfaces.
Eye protection
Despite the nickel coating, neodymium is brittle and cannot withstand shocks. Avoid impacts, as the magnet may shatter into hazardous fragments.
Phone sensors
Remember: neodymium magnets generate a field that disrupts sensitive sensors. Keep a separation from your phone, tablet, and GPS.
Immense force
Handle with care. Neodymium magnets act from a long distance and snap with massive power, often quicker than you can react.
Maximum temperature
Control the heat. Exposing the magnet above 80 degrees Celsius will ruin its magnetic structure and strength.
Choking Hazard
Always keep magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets clamping inside the body are very dangerous.
Metal Allergy
A percentage of the population have a hypersensitivity to Ni, which is the common plating for NdFeB magnets. Frequent touching may cause an allergic reaction. It is best to wear protective gloves.
Do not drill into magnets
Powder produced during grinding of magnets is combustible. Avoid drilling into magnets unless you are an expert.
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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