UMC 60x9/5x15 / N38 - cylindrical magnetic holder
cylindrical magnetic holder
Catalog no 320413
GTIN/EAN: 5906301814696
Diameter
60 mm [±1 mm]
internal diameter Ø
9/5 mm [±1 mm]
Height
15 mm [±1 mm]
Weight
240 g
Magnetization Direction
↑ axial
Load capacity
95.00 kg / 931.63 N
Coating
[NiCuNi] Nickel
64.94 ZŁ with VAT / pcs + price for transport
52.80 ZŁ net + 23% VAT / pcs
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Technical of the product - UMC 60x9/5x15 / N38 - cylindrical magnetic holder
Specification / characteristics - UMC 60x9/5x15 / N38 - cylindrical magnetic holder
| properties | values |
|---|---|
| Cat. no. | 320413 |
| GTIN/EAN | 5906301814696 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter | 60 mm [±1 mm] |
| internal diameter Ø | 9/5 mm [±1 mm] |
| Height | 15 mm [±1 mm] |
| Weight | 240 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 95.00 kg / 931.63 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 |
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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Pros as well as cons of Nd2Fe14B magnets.
Strengths
- They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (according to literature),
- They maintain their magnetic properties even under external field action,
- By applying a smooth layer of nickel, the element has an proper look,
- Neodymium magnets ensure maximum magnetic induction on a contact point, which ensures high operational effectiveness,
- Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
- Thanks to freedom in forming and the ability to modify to individual projects,
- Wide application in high-tech industry – they are utilized in magnetic memories, brushless drives, medical devices, as well as modern systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in compact constructions
Weaknesses
- To avoid cracks upon strong impacts, we recommend using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
- We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
- They oxidize in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- Limited ability of creating nuts in the magnet and complex forms - preferred is cover - magnet mounting.
- Health risk resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, small components of these devices are able to disrupt the diagnostic process medical in case of swallowing.
- Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications
Pull force analysis
Magnetic strength at its maximum – what affects it?
- with the application of a sheet made of special test steel, guaranteeing full magnetic saturation
- possessing a thickness of min. 10 mm to avoid saturation
- characterized by smoothness
- without the slightest clearance between the magnet and steel
- during detachment in a direction perpendicular to the mounting surface
- in temp. approx. 20°C
Lifting capacity in real conditions – factors
- Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
- Direction of force – maximum parameter is obtained only during perpendicular pulling. The force required to slide of the magnet along the surface is usually many times smaller (approx. 1/5 of the lifting capacity).
- Plate thickness – too thin plate does not accept the full field, causing part of the flux to be escaped into the air.
- Metal type – different alloys reacts the same. Alloy additives weaken the attraction effect.
- Surface finish – full contact is obtained only on polished steel. Any scratches and bumps create air cushions, reducing force.
- Thermal conditions – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and in frost they can be stronger (up to a certain limit).
Holding force was tested on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the lifting capacity is smaller. Additionally, even a small distance between the magnet’s surface and the plate decreases the holding force.
Safety rules for work with neodymium magnets
Powerful field
Handle magnets consciously. Their immense force can surprise even professionals. Stay alert and respect their power.
Machining danger
Fire hazard: Rare earth powder is explosive. Avoid machining magnets without safety gear as this risks ignition.
Metal Allergy
Nickel alert: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction happens, immediately stop handling magnets and use protective gear.
Bone fractures
Danger of trauma: The pulling power is so great that it can result in hematomas, crushing, and even bone fractures. Use thick gloves.
Implant safety
Individuals with a heart stimulator must maintain an safe separation from magnets. The magnetism can stop the operation of the implant.
Heat warning
Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. Damage is permanent.
Electronic devices
Powerful magnetic fields can destroy records on credit cards, hard drives, and storage devices. Keep a distance of min. 10 cm.
Material brittleness
Beware of splinters. Magnets can fracture upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.
Do not give to children
Adult use only. Tiny parts can be swallowed, causing intestinal necrosis. Keep out of reach of children and animals.
Impact on smartphones
A powerful magnetic field negatively affects the functioning of compasses in phones and GPS navigation. Maintain magnets close to a smartphone to avoid breaking the sensors.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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14.99 ZŁ
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Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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