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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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Specifications along with form of neodymium magnets can be tested with our
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Technical details - 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% |
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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Advantages and disadvantages of rare earth magnets.
Benefits
- Their power is durable, and after around 10 years it drops only by ~1% (theoretically),
- Magnets effectively resist against demagnetization caused by external fields,
- The use of an aesthetic layer of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
- They feature high magnetic induction at the operating surface, which increases their power,
- Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling functioning at temperatures reaching 230°C and above...
- Possibility of accurate creating as well as adapting to defined applications,
- Universal use in future technologies – they are commonly used in HDD drives, electromotive mechanisms, diagnostic systems, as well as multitasking production systems.
- Thanks to concentrated force, small magnets offer high operating force, in miniature format,
Limitations
- Brittleness is one of their disadvantages. Upon intense impact they can break. We advise keeping them in a steel housing, which not only protects them against impacts but also raises their durability
- When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- Limited possibility of producing nuts in the magnet and complex forms - recommended is casing - magnetic holder.
- Health risk resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, small elements of these products can complicate diagnosis medical when they are in the body.
- Due to complex production process, their price is relatively high,
Pull force analysis
Best holding force of the magnet in ideal parameters – what it depends on?
- using a plate made of high-permeability steel, serving as a ideal flux conductor
- whose transverse dimension is min. 10 mm
- characterized by smoothness
- with zero gap (without impurities)
- under vertical force direction (90-degree angle)
- at conditions approx. 20°C
Practical lifting capacity: influencing factors
- Clearance – existence of foreign body (paint, dirt, air) acts as an insulator, which lowers capacity steeply (even by 50% at 0.5 mm).
- Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the maximum value.
- Steel thickness – too thin steel causes magnetic saturation, causing part of the power to be wasted into the air.
- Metal type – not every steel reacts the same. High carbon content weaken the interaction with the magnet.
- Plate texture – smooth surfaces ensure maximum contact, which improves force. Rough surfaces reduce efficiency.
- Thermal conditions – NdFeB sinters have a sensitivity to temperature. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).
Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the holding force is lower. In addition, even a small distance between the magnet’s surface and the plate decreases the holding force.
Safety rules for work with neodymium magnets
Precision electronics
Be aware: neodymium magnets generate a field that confuses sensitive sensors. Maintain a separation from your phone, tablet, and navigation systems.
Nickel allergy
Allergy Notice: The Ni-Cu-Ni coating contains nickel. If an allergic reaction occurs, immediately stop working with magnets and wear gloves.
Cards and drives
Intense magnetic fields can erase data on credit cards, hard drives, and other magnetic media. Keep a distance of at least 10 cm.
This is not a toy
Strictly keep magnets out of reach of children. Choking hazard is high, and the consequences of magnets clamping inside the body are fatal.
Hand protection
Pinching hazard: The pulling power is so immense that it can cause hematomas, crushing, and broken bones. Protective gloves are recommended.
Permanent damage
Standard neodymium magnets (N-type) undergo demagnetization when the temperature surpasses 80°C. Damage is permanent.
ICD Warning
Medical warning: Strong magnets can deactivate pacemakers and defibrillators. Do not approach if you have electronic implants.
Safe operation
Handle magnets consciously. Their powerful strength can surprise even professionals. Plan your moves and respect their power.
Fire risk
Machining of neodymium magnets carries a risk of fire hazard. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.
Material brittleness
Neodymium magnets are ceramic materials, meaning they are very brittle. Impact of two magnets leads to them shattering into small pieces.
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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