NCM 10x13.5x5 / N38 - channel magnetic holder
channel magnetic holder
Catalog no 360485
GTIN/EAN: 5906301814849
Diameter Ø
10 mm [±1 mm]
Height
13.5 mm [±1 mm]
Weight
4.5 g
Magnetization Direction
↑ axial
Load capacity
4.00 kg / 39.23 N
Coating
[NiCuNi] Nickel
3.39 ZŁ with VAT / pcs + price for transport
2.76 ZŁ net + 23% VAT / pcs
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Technical data - NCM 10x13.5x5 / N38 - channel magnetic holder
Specification / characteristics - NCM 10x13.5x5 / N38 - channel magnetic holder
| properties | values |
|---|---|
| Cat. no. | 360485 |
| GTIN/EAN | 5906301814849 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 10 mm [±1 mm] |
| Height | 13.5 mm [±1 mm] |
| Weight | 4.5 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 4.00 kg / 39.23 N |
| Coating | [NiCuNi] Nickel |
| 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 |
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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Pros as well as cons of neodymium magnets.
Advantages
- They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (according to literature),
- They maintain their magnetic properties even under close interference source,
- Thanks to the shiny finish, the plating of nickel, gold, or silver-plated gives an visually attractive appearance,
- Magnetic induction on the top side of the magnet turns out to be extremely intense,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
- Thanks to flexibility in forming and the capacity to adapt to complex applications,
- Universal use in electronics industry – they are used in computer drives, electromotive mechanisms, precision medical tools, as well as modern systems.
- Thanks to their power density, small magnets offer high operating force, occupying minimum space,
Cons
- Brittleness is one of their disadvantages. Upon intense impact they can break. We advise keeping them in a steel housing, which not only protects them against impacts but also raises their durability
- Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
- They oxidize in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- We suggest casing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex shapes.
- Possible danger resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which becomes key in the context of child health protection. Furthermore, small components of these devices are able to complicate diagnosis medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Lifting parameters
Maximum lifting force for a neodymium magnet – what contributes to it?
- on a plate made of structural steel, optimally conducting the magnetic flux
- with a thickness of at least 10 mm
- characterized by lack of roughness
- without the slightest insulating layer between the magnet and steel
- for force acting at a right angle (pull-off, not shear)
- at standard ambient temperature
What influences lifting capacity in practice
- Gap (betwixt the magnet and the metal), since even a microscopic 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).
- Load vector – maximum parameter is obtained only during perpendicular pulling. The force required to slide of the magnet along the plate is standardly several 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 high-permeability steel. Stainless steels may have worse magnetic properties.
- Plate texture – smooth surfaces guarantee perfect abutment, which improves field saturation. Uneven metal weaken the grip.
- Thermal factor – hot environment weakens pulling force. Exceeding the limit temperature can permanently damage the magnet.
Lifting capacity was measured by applying a polished steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, however under parallel forces the lifting capacity is smaller. Additionally, even a small distance between the magnet’s surface and the plate decreases the load capacity.
Safe handling of NdFeB magnets
Shattering risk
Beware of splinters. Magnets can explode upon violent connection, launching sharp fragments into the air. Wear goggles.
Combustion hazard
Fire warning: Rare earth powder is explosive. Avoid machining magnets in home conditions as this may cause fire.
Demagnetization risk
Regular neodymium magnets (grade N) undergo demagnetization when the temperature exceeds 80°C. Damage is permanent.
Allergy Warning
Warning for allergy sufferers: The Ni-Cu-Ni coating contains nickel. If skin irritation happens, cease working with magnets and use protective gear.
Protect data
Avoid bringing magnets near a purse, laptop, or screen. The magnetic field can destroy these devices and wipe information from cards.
Compass and GPS
A powerful magnetic field negatively affects the operation of compasses in smartphones and navigation systems. Keep magnets near a smartphone to prevent breaking the sensors.
Conscious usage
Before use, check safety instructions. Sudden snapping can destroy the magnet or hurt your hand. Be predictive.
Serious injuries
Watch your fingers. Two large magnets will join immediately with a force of several hundred kilograms, destroying everything in their path. Exercise extreme caution!
Product not for children
Adult use only. Tiny parts can be swallowed, causing intestinal necrosis. Keep away from kids and pets.
Medical implants
People with a pacemaker must maintain an safe separation from magnets. The magnetism can disrupt the functioning of the life-saving device.
Tabela kosztu i czasu dostawy
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