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UMGGZ 43x6 [M6] GZ / N38 - rubber magnetic holder external thread
rubber magnetic holder external thread
Catalog no 340312
GTIN/EAN: 5906301814740
Diameter Ø
43 mm [±1 mm]
Height
6 mm [±1 mm]
Weight
36 g
Load capacity
8.70 kg / 85.32 N
10.46 ZŁ with VAT / pcs + price for transport
8.50 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical of the product - UMGGZ 43x6 [M6] GZ / N38 - rubber magnetic holder external thread
Specification / characteristics - UMGGZ 43x6 [M6] GZ / N38 - rubber magnetic holder external thread
| properties | values |
|---|---|
| Cat. no. | 340312 |
| GTIN/EAN | 5906301814740 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 43 mm [±1 mm] |
| Height | 6 mm [±1 mm] |
| Weight | 36 g |
| Load capacity ~ ? | 8.70 kg / 85.32 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% |
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 and cons of Nd2Fe14B magnets.
Advantages
- They retain magnetic properties for nearly ten years – the loss is just ~1% (based on simulations),
- Magnets effectively defend themselves against loss of magnetization caused by external fields,
- By using a smooth coating of silver, the element has an nice look,
- Magnets are characterized by impressive magnetic induction on the active area,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Possibility of detailed modeling and optimizing to concrete applications,
- Fundamental importance in modern technologies – they find application in mass storage devices, electric motors, medical equipment, also modern systems.
- Thanks to their power density, small magnets offer high operating force, occupying minimum space,
Disadvantages
- They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
- Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- Magnets exposed to a humid environment can rust. Therefore during using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- Limited possibility of producing threads in the magnet and complex forms - preferred is cover - magnet mounting.
- Possible danger to health – tiny shards of magnets can be dangerous, in case of ingestion, which gains importance in the context of child health protection. Additionally, small elements of these magnets are able to complicate diagnosis medical in case of swallowing.
- Due to neodymium price, their price is relatively high,
Pull force analysis
Magnetic strength at its maximum – what it depends on?
- with the use of a sheet made of special test steel, guaranteeing maximum field concentration
- whose thickness reaches at least 10 mm
- with an polished contact surface
- under conditions of no distance (surface-to-surface)
- during detachment in a direction perpendicular to the mounting surface
- at temperature room level
Lifting capacity in practice – influencing factors
- Clearance – the presence of any layer (paint, tape, air) interrupts the magnetic circuit, which lowers capacity rapidly (even by 50% at 0.5 mm).
- Pull-off angle – note that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
- Plate thickness – insufficiently thick steel does not close the flux, causing part of the power to be lost into the air.
- Plate material – mild steel gives the best results. Higher carbon content reduce magnetic properties and lifting capacity.
- Base smoothness – the smoother and more polished the surface, the larger the contact zone and stronger the hold. Unevenness creates an air distance.
- Temperature influence – hot environment weakens magnetic field. Too high temperature can permanently damage the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, whereas under shearing force the load capacity is reduced by as much as 5 times. In addition, even a minimal clearance between the magnet’s surface and the plate lowers the lifting capacity.
Safe handling of neodymium magnets
Operating temperature
Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. Damage is permanent.
Do not give to children
Always store magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are tragic.
Keep away from computers
Avoid bringing magnets near a purse, computer, or TV. The magnetism can destroy these devices and erase data from cards.
Medical implants
For implant holders: Strong magnetic fields disrupt electronics. Maintain at least 30 cm distance or ask another person to work with the magnets.
Precision electronics
Remember: neodymium magnets generate a field that interferes with sensitive sensors. Keep a separation from your phone, tablet, and GPS.
Caution required
Handle magnets with awareness. Their immense force can surprise even professionals. Stay alert and do not underestimate their power.
Fire warning
Machining of neodymium magnets carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is hard to extinguish.
Crushing force
Mind your fingers. Two powerful magnets will join instantly with a force of massive weight, destroying anything in their path. Be careful!
Beware of splinters
Despite metallic appearance, the material is brittle and cannot withstand shocks. Do not hit, as the magnet may crumble into hazardous fragments.
Allergy Warning
Certain individuals suffer from a sensitization to nickel, which is the standard coating for NdFeB magnets. Prolonged contact can result in a rash. We recommend 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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