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UMGW 32x18x8 [M6] GW / N38 - magnetic holder internal thread
magnetic holder internal thread
Catalog no 180318
GTIN/EAN: 5906301813743
Diameter Ø
32 mm [±1 mm]
Height
18 mm [±1 mm]
Height
8 mm [±1 mm]
Weight
42 g
Load capacity
34.00 kg / 333.43 N
15.22 ZŁ with VAT / pcs + price for transport
12.37 ZŁ net + 23% VAT / pcs
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Technical details - UMGW 32x18x8 [M6] GW / N38 - magnetic holder internal thread
Specification / characteristics - UMGW 32x18x8 [M6] GW / N38 - magnetic holder internal thread
| properties | values |
|---|---|
| Cat. no. | 180318 |
| GTIN/EAN | 5906301813743 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 18 mm [±1 mm] |
| Height | 8 mm [±1 mm] |
| Weight | 42 g |
| Load capacity ~ ? | 34.00 kg / 333.43 N |
| 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% |
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.
Benefits
- They virtually do not lose strength, because even after 10 years the performance loss is only ~1% (based on calculations),
- They are noted for resistance to demagnetization induced by external disturbances,
- By using a shiny layer of nickel, the element has an modern look,
- The surface of neodymium magnets generates a strong magnetic field – this is a distinguishing feature,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
- Possibility of accurate shaping as well as modifying to complex requirements,
- Universal use in innovative solutions – they are commonly used in mass storage devices, electric motors, diagnostic systems, as well as industrial machines.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Weaknesses
- To avoid cracks under impact, we recommend using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
- When exposed to high temperature, neodymium magnets experience a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
- Due to limitations in realizing threads and complicated shapes in magnets, we propose using cover - magnetic mechanism.
- Health risk resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the context of child safety. It is also worth noting that small elements of these products are able to disrupt the diagnostic process medical in case of swallowing.
- Due to expensive raw materials, their price is relatively high,
Holding force characteristics
Magnetic strength at its maximum – what contributes to it?
- on a block made of structural steel, perfectly concentrating the magnetic flux
- with a thickness no less than 10 mm
- characterized by even structure
- with zero gap (without paint)
- under perpendicular application of breakaway force (90-degree angle)
- at ambient temperature room level
Determinants of lifting force in real conditions
- Distance (betwixt the magnet and the metal), because even a microscopic clearance (e.g. 0.5 mm) can cause a drastic drop in lifting capacity by up to 50% (this also applies to varnish, rust or dirt).
- Direction of force – maximum parameter is obtained only during perpendicular pulling. The shear force of the magnet along the plate is usually many times lower (approx. 1/5 of the lifting capacity).
- Substrate thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
- Material composition – different alloys attracts identically. Alloy additives worsen the attraction effect.
- Plate texture – smooth surfaces guarantee perfect abutment, which increases field saturation. Rough surfaces reduce efficiency.
- Thermal factor – high temperature weakens magnetic field. Too high temperature can permanently demagnetize the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under attempts to slide the magnet the load capacity is reduced by as much as 75%. In addition, even a small distance between the magnet’s surface and the plate lowers the lifting capacity.
H&S for magnets
Impact on smartphones
A powerful magnetic field interferes with the operation of compasses in smartphones and navigation systems. Maintain magnets close to a device to prevent breaking the sensors.
Do not overheat magnets
Regular neodymium magnets (N-type) lose magnetization when the temperature surpasses 80°C. Damage is permanent.
Flammability
Dust created during grinding of magnets is flammable. Avoid drilling into magnets unless you are an expert.
Health Danger
Warning for patients: Strong magnetic fields disrupt medical devices. Maintain minimum 30 cm distance or ask another person to work with the magnets.
Data carriers
Avoid bringing magnets near a purse, computer, or TV. The magnetism can destroy these devices and erase data from cards.
Allergic reactions
Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If redness appears, immediately stop handling magnets and wear gloves.
Serious injuries
Risk of injury: The attraction force is so immense that it can result in hematomas, crushing, and even bone fractures. Use thick gloves.
Choking Hazard
Adult use only. Small elements pose a choking risk, leading to intestinal necrosis. Keep out of reach of children and animals.
Risk of cracking
Watch out for shards. Magnets can fracture upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.
Handling guide
Handle magnets consciously. Their huge power can surprise even professionals. Plan your moves and respect their power.
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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