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UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
magnetic holder external thread
Catalog no 190324
GTIN/EAN: 5906301813835
Diameter Ø
32 mm [±1 mm]
Height
18 mm [±1 mm]
Height
8 mm [±1 mm]
Weight
40 g
Load capacity
34.00 kg / 333.43 N
17.98 ZŁ with VAT / pcs + price for transport
14.62 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical data - UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
Specification / characteristics - UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
| properties | values |
|---|---|
| Cat. no. | 190324 |
| GTIN/EAN | 5906301813835 |
| 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 | 40 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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
Other proposals
![UMGGZ 88x8.5 [M8] GZ / N38 - rubber magnetic holder external thread](https://cdn3.dhit.pl/graphics/products/umg-88x8.5-m8-gz-waf.jpg "UMGGZ 88x8.5 [M8] GZ / N38 - rubber magnetic holder external thread")
Advantages and disadvantages of neodymium magnets.
Benefits
- They do not lose power, even during around 10 years – the decrease in strength is only ~1% (theoretically),
- They are resistant to demagnetization induced by external disturbances,
- By applying a shiny coating of silver, the element has an nice look,
- Magnetic induction on the surface of the magnet remains exceptional,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the shape) even at a temperature of 230°C or more...
- Thanks to freedom in constructing and the capacity to adapt to unusual requirements,
- Key role in advanced technology sectors – they serve a role in mass storage devices, motor assemblies, medical equipment, and other advanced devices.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Weaknesses
- They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also increases its resistance to damage
- Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
- Due to limitations in producing threads and complex shapes in magnets, we propose using a housing - magnetic holder.
- Health risk to health – tiny shards of magnets are risky, if swallowed, which becomes key in the context of child health protection. Furthermore, tiny parts of these magnets are able to disrupt the diagnostic process medical when they are in the body.
- Due to expensive raw materials, their price is higher than average,
Lifting parameters
Maximum magnetic pulling force – what contributes to it?
- on a base made of mild steel, effectively closing the magnetic field
- whose transverse dimension reaches at least 10 mm
- characterized by smoothness
- with direct contact (no impurities)
- for force acting at a right angle (in the magnet axis)
- at temperature approx. 20 degrees Celsius
Determinants of practical lifting force of a magnet
- Distance – existence of foreign body (rust, tape, gap) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
- Angle of force application – highest force is available only during perpendicular pulling. The resistance to sliding of the magnet along the surface is usually many times lower (approx. 1/5 of the lifting capacity).
- Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of converting into lifting capacity.
- Material composition – not every steel attracts identically. High carbon content worsen the interaction with the magnet.
- Smoothness – ideal contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
- Heat – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and in frost gain strength (up to a certain limit).
Lifting capacity testing was performed on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the load capacity is reduced by as much as 5 times. Additionally, even a small distance between the magnet’s surface and the plate reduces the load capacity.
Precautions when working with NdFeB magnets
No play value
Strictly store magnets away from children. Risk of swallowing is significant, and the effects of magnets clamping inside the body are fatal.
Allergy Warning
Allergy Notice: The nickel-copper-nickel coating contains nickel. If skin irritation happens, cease working with magnets and use protective gear.
Pinching danger
Large magnets can smash fingers in a fraction of a second. Do not put your hand betwixt two attracting surfaces.
GPS and phone interference
GPS units and smartphones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can ruin the sensors in your phone.
ICD Warning
Medical warning: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have medical devices.
Handling guide
Handle magnets with awareness. Their immense force can surprise even experienced users. Be vigilant and respect their force.
Do not drill into magnets
Dust produced during machining of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.
Fragile material
Neodymium magnets are sintered ceramics, meaning they are fragile like glass. Clashing of two magnets will cause them breaking into shards.
Demagnetization risk
Watch the temperature. Heating the magnet above 80 degrees Celsius will ruin its magnetic structure and strength.
Magnetic media
Device Safety: Neodymium magnets can ruin payment cards and delicate electronics (heart implants, medical aids, timepieces).
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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