NCM 30x13.5x5 / N38 - channel magnetic holder
channel magnetic holder
Catalog no 360488
GTIN/EAN: 5906301814870
Diameter Ø
30 mm [±1 mm]
Height
13.5 mm [±1 mm]
Weight
14 g
Magnetization Direction
↑ axial
Load capacity
16.00 kg / 156.91 N
Coating
[NiCuNi] Nickel
9.40 ZŁ with VAT / pcs + price for transport
7.64 ZŁ net + 23% VAT / pcs
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Product card - NCM 30x13.5x5 / N38 - channel magnetic holder
Specification / characteristics - NCM 30x13.5x5 / N38 - channel magnetic holder
| properties | values |
|---|---|
| Cat. no. | 360488 |
| GTIN/EAN | 5906301814870 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 30 mm [±1 mm] |
| Height | 13.5 mm [±1 mm] |
| Weight | 14 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 16.00 kg / 156.91 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 |
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 |
See also products
![AM ucho [M10] - magnetic accessories](https://cdn3.dhit.pl/graphics/products/am-ucho-m10-tij.jpg "AM ucho [M10] - magnetic accessories")
Strengths as well as weaknesses of rare earth magnets.
Pros
- Their strength remains stable, and after approximately ten years it drops only by ~1% (according to research),
- They possess excellent resistance to magnetic field loss as a result of opposing magnetic fields,
- A magnet with a metallic nickel surface has better aesthetics,
- Magnets possess excellent magnetic induction on the outer side,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can function (depending on the shape) even at a temperature of 230°C or more...
- Possibility of accurate shaping as well as adapting to atypical needs,
- Key role in modern industrial fields – they serve a role in HDD drives, brushless drives, precision medical tools, and complex engineering applications.
- Thanks to efficiency per cm³, small magnets offer high operating force, with minimal size,
Disadvantages
- At strong impacts they can crack, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
- We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
- They rust in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- Due to limitations in producing nuts and complicated shapes in magnets, we propose using cover - magnetic mount.
- Health risk related to microscopic parts of magnets pose a threat, in case of ingestion, which gains importance in the context of child health protection. Furthermore, tiny parts of these devices are able to be problematic in diagnostics medical when they are in the body.
- Due to complex production process, their price is higher than average,
Holding force characteristics
Maximum holding power of the magnet – what contributes to it?
- with the application of a yoke made of low-carbon steel, guaranteeing maximum field concentration
- whose transverse dimension reaches at least 10 mm
- with a plane cleaned and smooth
- with direct contact (without paint)
- under perpendicular force direction (90-degree angle)
- at room temperature
What influences lifting capacity in practice
- Air gap (betwixt the magnet and the metal), as even a microscopic clearance (e.g. 0.5 mm) leads to a reduction in force by up to 50% (this also applies to paint, rust or debris).
- Force direction – note that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the maximum value.
- Element thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
- Material type – ideal substrate is pure iron steel. Hardened steels may generate lower lifting capacity.
- Surface finish – full contact is possible only on smooth steel. Rough texture create air cushions, weakening the magnet.
- Thermal environment – temperature increase causes a temporary drop of force. Check the maximum operating temperature for a given model.
Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, however under parallel forces the load capacity is reduced by as much as fivefold. Additionally, even a minimal clearance between the magnet’s surface and the plate reduces the lifting capacity.
Warnings
Thermal limits
Do not overheat. Neodymium magnets are sensitive to heat. If you require resistance above 80°C, inquire about special high-temperature series (H, SH, UH).
Mechanical processing
Dust generated during machining of magnets is self-igniting. Do not drill into magnets unless you are an expert.
Compass and GPS
A powerful magnetic field negatively affects the functioning of magnetometers in smartphones and navigation systems. Do not bring magnets near a device to prevent breaking the sensors.
Bone fractures
Large magnets can smash fingers instantly. Do not put your hand between two attracting surfaces.
Respect the power
Handle with care. Neodymium magnets act from a long distance and snap with huge force, often quicker than you can react.
Do not give to children
Product intended for adults. Small elements can be swallowed, leading to serious injuries. Store away from children and animals.
Medical implants
People with a heart stimulator should maintain an absolute distance from magnets. The magnetic field can stop the functioning of the life-saving device.
Magnetic media
Data protection: Neodymium magnets can ruin data carriers and sensitive devices (pacemakers, hearing aids, mechanical watches).
Avoid contact if allergic
Medical facts indicate that nickel (the usual finish) is a potent allergen. If your skin reacts to metals, refrain from touching magnets with bare hands and opt for versions in plastic housing.
Shattering risk
Watch out for shards. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Eye protection is mandatory.
Tabela kosztu i czasu dostawy
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