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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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Detailed specification - 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 |
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% |
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 and weaknesses of rare earth magnets.
Advantages
- They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (according to literature),
- They are noted for resistance to demagnetization induced by external disturbances,
- In other words, due to the smooth finish of gold, the element is aesthetically pleasing,
- The surface of neodymium magnets generates a concentrated magnetic field – this is a distinguishing feature,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Possibility of individual modeling as well as adapting to precise requirements,
- Significant place in electronics industry – they are utilized in mass storage devices, brushless drives, diagnostic systems, also other advanced devices.
- Thanks to concentrated force, small magnets offer high operating force, occupying minimum space,
Cons
- To avoid cracks under impact, we recommend using special steel housings. Such a solution protects the magnet and simultaneously increases its durability.
- NdFeB 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 and 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
- When exposed to humidity, magnets start to rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation as well as corrosion.
- Due to limitations in realizing nuts and complex shapes in magnets, we recommend using a housing - magnetic mechanism.
- Health risk to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child health protection. It is also worth noting that tiny parts of these devices are able to complicate diagnosis medical after entering the body.
- With large orders the cost of neodymium magnets is a challenge,
Lifting parameters
Maximum holding power of the magnet – what affects it?
- using a base made of mild steel, acting as a magnetic yoke
- with a thickness minimum 10 mm
- characterized by smoothness
- with zero gap (without paint)
- for force applied at a right angle (pull-off, not shear)
- at temperature approx. 20 degrees Celsius
What influences lifting capacity in practice
- Distance – the presence of any layer (paint, tape, air) acts as an insulator, which reduces capacity steeply (even by 50% at 0.5 mm).
- Force direction – declared lifting capacity refers to detachment vertically. When slipping, the magnet holds much less (typically approx. 20-30% of maximum force).
- Steel thickness – insufficiently thick plate causes magnetic saturation, causing part of the flux to be wasted into the air.
- Plate material – mild steel attracts best. Alloy steels reduce magnetic permeability and lifting capacity.
- Base smoothness – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Roughness acts like micro-gaps.
- Thermal environment – heating the magnet causes a temporary drop of induction. It is worth remembering the maximum operating temperature for a given model.
Lifting capacity was assessed with the use of a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular pulling force, however under shearing force the load capacity is reduced by as much as 5 times. Moreover, even a small distance between the magnet and the plate decreases the lifting capacity.
Warnings
Nickel coating and allergies
Certain individuals have a hypersensitivity to nickel, which is the standard coating for NdFeB magnets. Prolonged contact might lead to a rash. It is best to use protective gloves.
Compass and GPS
Note: rare earth magnets produce a field that interferes with precision electronics. Keep a safe distance from your mobile, tablet, and GPS.
Respect the power
Handle with care. Rare earth magnets attract from a long distance and snap with huge force, often quicker than you can move away.
Heat sensitivity
Control the heat. Heating the magnet to high heat will ruin its magnetic structure and strength.
Physical harm
Mind your fingers. Two large magnets will join instantly with a force of several hundred kilograms, destroying anything in their path. Be careful!
Combustion hazard
Combustion risk: Neodymium dust is explosive. Avoid machining magnets without safety gear as this risks ignition.
Protective goggles
Neodymium magnets are ceramic materials, which means they are fragile like glass. Collision of two magnets will cause them breaking into shards.
This is not a toy
Strictly keep magnets away from children. Choking hazard is significant, and the effects of magnets clamping inside the body are very dangerous.
Warning for heart patients
Individuals with a pacemaker should maintain an large gap from magnets. The magnetism can interfere with the functioning of the life-saving device.
Safe distance
Avoid bringing magnets near a wallet, laptop, or screen. The magnetism can permanently damage these devices and erase data from cards.
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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