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UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread
magnetic holder internal thread
Catalog no 180419
GTIN/EAN: 5906301813781
Diameter Ø
60 mm [±1 mm]
Height
30 mm [±1 mm]
Height
15 mm [±1 mm]
Weight
260 g
Load capacity
112.00 kg / 1098.34 N
102.96 ZŁ with VAT / pcs + price for transport
83.71 ZŁ net + 23% VAT / pcs
bulk discounts:
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Physical properties - UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread
Specification / characteristics - UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread
| properties | values |
|---|---|
| Cat. no. | 180419 |
| GTIN/EAN | 5906301813781 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 60 mm [±1 mm] |
| Height | 30 mm [±1 mm] |
| Height | 15 mm [±1 mm] |
| Weight | 260 g |
| Load capacity ~ ? | 112.00 kg / 1098.34 N |
| 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 |
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 and cons of neodymium magnets.
Pros
- They have stable power, and over more than 10 years their performance decreases symbolically – ~1% (in testing),
- They do not lose their magnetic properties even under strong external field,
- In other words, due to the reflective layer of nickel, the element becomes visually attractive,
- The surface of neodymium magnets generates a strong magnetic field – this is a key feature,
- Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
- In view of the ability of free shaping and adaptation to unique needs, NdFeB magnets can be produced in a variety of shapes and sizes, which increases their versatility,
- Fundamental importance in high-tech industry – they are commonly used in hard drives, motor assemblies, advanced medical instruments, as well as complex engineering applications.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in small systems
Limitations
- At very strong impacts they can crack, therefore we advise placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
- Neodymium magnets lose their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- Magnets exposed to a humid environment can rust. Therefore while using outdoors, we suggest using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- We suggest cover - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex shapes.
- Health risk to health – tiny shards of magnets are risky, in case of ingestion, which is particularly important in the context of child safety. Additionally, small elements of these products can be problematic in diagnostics medical when they are in the body.
- Due to expensive raw materials, their price is higher than average,
Holding force characteristics
Maximum lifting force for a neodymium magnet – what it depends on?
- using a sheet made of high-permeability steel, serving as a ideal flux conductor
- whose thickness reaches at least 10 mm
- with an ideally smooth touching surface
- without any air gap between the magnet and steel
- under axial application of breakaway force (90-degree angle)
- at ambient temperature room level
Determinants of practical lifting force of a magnet
- Clearance – the presence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
- Direction of force – highest force is reached only during perpendicular pulling. The shear force of the magnet along the surface is typically several times smaller (approx. 1/5 of the lifting capacity).
- Base massiveness – too thin steel causes magnetic saturation, causing part of the flux to be escaped into the air.
- Material composition – different alloys attracts identically. Alloy additives weaken the interaction with the magnet.
- Surface condition – smooth surfaces guarantee perfect abutment, which improves force. Rough surfaces weaken the grip.
- Temperature influence – high temperature reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under attempts to slide the magnet the holding force is lower. Moreover, even a minimal clearance between the magnet’s surface and the plate decreases the lifting capacity.
Precautions when working with neodymium magnets
Safe operation
Handle magnets consciously. Their powerful strength can surprise even experienced users. Be vigilant and respect their force.
Do not overheat magnets
Standard neodymium magnets (N-type) undergo demagnetization when the temperature exceeds 80°C. This process is irreversible.
Do not give to children
Neodymium magnets are not suitable for play. Accidental ingestion of multiple magnets may result in them pinching intestinal walls, which poses a severe health hazard and requires immediate surgery.
Electronic hazard
Powerful magnetic fields can corrupt files on credit cards, hard drives, and storage devices. Keep a distance of min. 10 cm.
Dust explosion hazard
Combustion risk: Neodymium dust is explosive. Do not process magnets in home conditions as this may cause fire.
Allergy Warning
Certain individuals suffer from a hypersensitivity to nickel, which is the standard coating for NdFeB magnets. Frequent touching might lead to dermatitis. We suggest use protective gloves.
Crushing force
Danger of trauma: The attraction force is so immense that it can result in hematomas, crushing, and broken bones. Protective gloves are recommended.
Impact on smartphones
Be aware: neodymium magnets produce a field that interferes with sensitive sensors. Keep a separation from your phone, tablet, and navigation systems.
Shattering risk
Neodymium magnets are sintered ceramics, which means they are fragile like glass. Collision of two magnets leads to them cracking into shards.
Warning for heart patients
Warning for patients: Powerful magnets disrupt electronics. Maintain at least 30 cm distance or ask another person to work with the magnets.
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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