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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Product card - 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% |
Ecology and recycling (GPSR)
| 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.
Pros
- They have constant strength, and over nearly ten years their attraction force decreases symbolically – ~1% (in testing),
- They show high resistance to demagnetization induced by external field influence,
- Thanks to the shimmering finish, the coating of nickel, gold, or silver-plated gives an elegant appearance,
- Magnets are characterized by excellent magnetic induction on the outer layer,
- Through (adequate) combination of ingredients, they can achieve high thermal resistance, enabling action at temperatures reaching 230°C and above...
- Due to the possibility of flexible molding and customization to individualized requirements, NdFeB magnets can be created in a variety of geometric configurations, which amplifies use scope,
- Key role in future technologies – they are used in hard drives, motor assemblies, advanced medical instruments, as well as industrial machines.
- Thanks to efficiency per cm³, small magnets offer high operating force, occupying minimum space,
Limitations
- At strong impacts they can break, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage, as well as 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 recommend using waterproof magnets e.g. in rubber, plastic
- We recommend a housing - magnetic mount, due to difficulties in creating threads inside the magnet and complex shapes.
- Possible danger resulting from small fragments of magnets pose a threat, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Additionally, tiny parts of these magnets are able to disrupt the diagnostic process medical in case of swallowing.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which can limit application in large quantities
Pull force analysis
Best holding force of the magnet in ideal parameters – what contributes to it?
- using a plate made of mild steel, serving as a ideal flux conductor
- with a thickness minimum 10 mm
- characterized by even structure
- without the slightest clearance between the magnet and steel
- for force acting at a right angle (in the magnet axis)
- in stable room temperature
Practical lifting capacity: influencing factors
- Gap between magnet and steel – every millimeter of separation (caused e.g. by varnish or dirt) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Force direction – catalog parameter refers to detachment vertically. When applying parallel force, the magnet holds much less (typically approx. 20-30% of maximum force).
- Steel thickness – insufficiently thick steel causes magnetic saturation, causing part of the flux to be wasted to the other side.
- Steel grade – the best choice is pure iron steel. Stainless steels may generate lower lifting capacity.
- Surface condition – ground elements ensure maximum contact, which improves field saturation. Rough surfaces weaken the grip.
- Thermal factor – high temperature weakens magnetic field. Too high temperature can permanently damage the magnet.
Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under attempts to slide the magnet the holding force is lower. Moreover, even a minimal clearance between the magnet and the plate decreases the load capacity.
Precautions when working with neodymium magnets
Maximum temperature
Do not overheat. NdFeB magnets are susceptible to temperature. If you need operation above 80°C, look for special high-temperature series (H, SH, UH).
Beware of splinters
Neodymium magnets are sintered ceramics, meaning they are fragile like glass. Collision of two magnets leads to them shattering into shards.
Immense force
Before use, check safety instructions. Uncontrolled attraction can break the magnet or hurt your hand. Think ahead.
Cards and drives
Device Safety: Neodymium magnets can damage payment cards and sensitive devices (heart implants, hearing aids, mechanical watches).
GPS Danger
A strong magnetic field negatively affects the functioning of compasses in phones and navigation systems. Do not bring magnets near a smartphone to prevent damaging the sensors.
This is not a toy
NdFeB magnets are not intended for children. Swallowing several magnets can lead to them attracting across intestines, which poses a direct threat to life and requires urgent medical intervention.
Sensitization to coating
Some people have a sensitization to nickel, which is the typical protective layer for NdFeB magnets. Prolonged contact may cause dermatitis. It is best to use protective gloves.
Mechanical processing
Fire warning: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this may cause fire.
Health Danger
Health Alert: Neodymium magnets can deactivate pacemakers and defibrillators. Do not approach if you have electronic implants.
Crushing risk
Pinching hazard: The pulling power is so great that it can result in hematomas, crushing, and even bone fractures. Protective gloves are recommended.
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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