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UMGW 16x13x5 [M4] GW / N38 - magnetic holder internal thread
magnetic holder internal thread
Catalog no 180315
GTIN/EAN: 5906301813712
Diameter Ø
16 mm [±1 mm]
Height
13 mm [±1 mm]
Height
5 mm [±1 mm]
Weight
6.6 g
Load capacity
5.00 kg / 49.03 N
3.80 ZŁ with VAT / pcs + price for transport
3.09 ZŁ net + 23% VAT / pcs
bulk discounts:
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Specifications and form of a neodymium magnet can be analyzed using our
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Technical details - UMGW 16x13x5 [M4] GW / N38 - magnetic holder internal thread
Specification / characteristics - UMGW 16x13x5 [M4] GW / N38 - magnetic holder internal thread
| properties | values |
|---|---|
| Cat. no. | 180315 |
| GTIN/EAN | 5906301813712 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 16 mm [±1 mm] |
| Height | 13 mm [±1 mm] |
| Height | 5 mm [±1 mm] |
| Weight | 6.6 g |
| Load capacity ~ ? | 5.00 kg / 49.03 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 |
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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Pros and cons of rare earth magnets.
Pros
- Their magnetic field is durable, and after approximately ten years it drops only by ~1% (according to research),
- They are noted for resistance to demagnetization induced by presence of other magnetic fields,
- In other words, due to the shiny surface of nickel, the element looks attractive,
- Neodymium magnets achieve maximum magnetic induction on a their surface, which allows for strong attraction,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
- Considering the potential of flexible shaping and adaptation to custom requirements, neodymium magnets can be produced in a wide range of shapes and sizes, which increases their versatility,
- Universal use in modern industrial fields – they are utilized in mass storage devices, motor assemblies, medical equipment, also multitasking production systems.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Limitations
- At very strong impacts they can break, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- NdFeB magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (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 extremely resistant to heat
- Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material protecting against moisture
- Due to limitations in creating nuts and complex forms in magnets, we propose using casing - magnetic mount.
- Possible danger resulting from small fragments of magnets are risky, in case of ingestion, which becomes key in the context of child health protection. It is also worth noting that tiny parts of these products are able to complicate diagnosis medical after entering the body.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Lifting parameters
Detachment force of the magnet in optimal conditions – what contributes to it?
- with the application of a yoke made of low-carbon steel, ensuring maximum field concentration
- whose thickness equals approx. 10 mm
- with a plane free of scratches
- without the slightest air gap between the magnet and steel
- for force acting at a right angle (pull-off, not shear)
- at temperature approx. 20 degrees Celsius
Lifting capacity in practice – influencing factors
- Gap between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
- Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the maximum value.
- Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of generating force.
- Material type – ideal substrate is high-permeability steel. Stainless steels may have worse magnetic properties.
- Surface condition – ground elements ensure maximum contact, which improves field saturation. Rough surfaces weaken the grip.
- Thermal environment – heating the magnet results in weakening of force. It is worth remembering the maximum operating temperature for a given model.
Lifting capacity testing was performed on a smooth plate of optimal thickness, under perpendicular forces, whereas under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate decreases the load capacity.
H&S for magnets
Bone fractures
Mind your fingers. Two large magnets will snap together instantly with a force of massive weight, crushing everything in their path. Exercise extreme caution!
Handling rules
Handle magnets with awareness. Their huge power can shock even professionals. Stay alert and do not underestimate their power.
Magnetic media
Avoid bringing magnets close to a purse, computer, or TV. The magnetism can irreversibly ruin these devices and wipe information from cards.
Thermal limits
Watch the temperature. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and pulling force.
Material brittleness
Despite the nickel coating, neodymium is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.
GPS and phone interference
Be aware: rare earth magnets generate a field that disrupts precision electronics. Keep a separation from your phone, device, and navigation systems.
Implant safety
Individuals with a ICD should maintain an large gap from magnets. The magnetism can stop the functioning of the life-saving device.
Sensitization to coating
Medical facts indicate that the nickel plating (the usual finish) is a potent allergen. If you have an allergy, prevent direct skin contact or choose coated magnets.
Flammability
Mechanical processing of neodymium magnets carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is difficult to extinguish.
Swallowing risk
Product intended for adults. Tiny parts can be swallowed, leading to serious injuries. Store away from children and animals.
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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