NCM 15x13.5x5 / N38 - channel magnetic holder
channel magnetic holder
Catalog no 360486
GTIN/EAN: 5906301814856
Diameter Ø
15 mm [±1 mm]
Height
13.5 mm [±1 mm]
Weight
6.8 g
Magnetization Direction
↑ axial
Load capacity
7.00 kg / 68.65 N
Coating
[NiCuNi] Nickel
5.10 ZŁ with VAT / pcs + price for transport
4.15 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical of the product - NCM 15x13.5x5 / N38 - channel magnetic holder
Specification / characteristics - NCM 15x13.5x5 / N38 - channel magnetic holder
| properties | values |
|---|---|
| Cat. no. | 360486 |
| GTIN/EAN | 5906301814856 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 15 mm [±1 mm] |
| Height | 13.5 mm [±1 mm] |
| Weight | 6.8 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 7.00 kg / 68.65 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% |
Environmental data
| 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 Nd2Fe14B magnets.
Strengths
- They have stable power, and over nearly 10 years their attraction force decreases symbolically – ~1% (in testing),
- They show high resistance to demagnetization induced by presence of other magnetic fields,
- In other words, due to the glossy surface of gold, the element gains a professional look,
- Magnetic induction on the surface of the magnet is extremely intense,
- Neodymium magnets are characterized by very 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 creating as well as adapting to concrete needs,
- Versatile presence in modern technologies – they are commonly used in data components, motor assemblies, medical equipment, also industrial machines.
- Thanks to their power density, small magnets offer high operating force, with minimal size,
Disadvantages
- At strong impacts they can break, 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 suggest our specialized [AH] magnets, which work effectively even at 230°C.
- When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
- Limited possibility of making threads in the magnet and complicated forms - recommended is casing - magnet mounting.
- Health risk resulting from small fragments of magnets are risky, in case of ingestion, which gains importance in the aspect of protecting the youngest. Additionally, small elements of these products 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 can limit application in large quantities
Holding force characteristics
Optimal lifting capacity of a neodymium magnet – what contributes to it?
- using a base made of low-carbon steel, serving as a ideal flux conductor
- possessing a thickness of minimum 10 mm to avoid saturation
- with a surface cleaned and smooth
- without any air gap between the magnet and steel
- for force applied at a right angle (in the magnet axis)
- at standard ambient temperature
Determinants of lifting force in real conditions
- Distance – existence of foreign body (paint, dirt, gap) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
- Angle of force application – highest force is available only during perpendicular pulling. The shear force of the magnet along the surface is standardly many times smaller (approx. 1/5 of the lifting capacity).
- Steel thickness – insufficiently thick plate causes magnetic saturation, causing part of the power to be wasted to the other side.
- Metal type – different alloys reacts the same. High carbon content worsen the attraction effect.
- Plate texture – smooth surfaces guarantee perfect abutment, which increases field saturation. Uneven metal reduce efficiency.
- Thermal conditions – neodymium magnets have a negative temperature coefficient. When it is hot they lose power, and at low temperatures they can be stronger (up to a certain limit).
Lifting capacity testing was carried out on a smooth plate of optimal thickness, under perpendicular forces, whereas under attempts to slide the magnet the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate decreases the lifting capacity.
Warnings
Swallowing risk
Strictly keep magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are very dangerous.
Serious injuries
Mind your fingers. Two large magnets will snap together instantly with a force of several hundred kilograms, destroying anything in their path. Be careful!
Precision electronics
A powerful magnetic field negatively affects the operation of compasses in phones and GPS navigation. Do not bring magnets near a device to avoid damaging the sensors.
Caution required
Handle magnets with awareness. Their immense force can shock even professionals. Be vigilant and do not underestimate their power.
Eye protection
Despite metallic appearance, the material is brittle and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.
Do not overheat magnets
Avoid heat. NdFeB magnets are sensitive to temperature. If you require operation above 80°C, ask us about HT versions (H, SH, UH).
Dust is flammable
Combustion risk: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this may cause fire.
Pacemakers
Individuals with a ICD must maintain an absolute distance from magnets. The magnetism can stop the functioning of the life-saving device.
Cards and drives
Do not bring magnets close to a wallet, computer, or TV. The magnetic field can permanently damage these devices and erase data from cards.
Metal Allergy
Certain individuals experience a hypersensitivity to Ni, which is the standard coating for NdFeB magnets. Prolonged contact might lead to skin redness. It is best to use safety gloves.
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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