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UMGGZ 22x6 [M4] GZ / N38 - rubber magnetic holder external thread
rubber magnetic holder external thread
Catalog no 340310
GTIN/EAN: 5906301814726
Diameter Ø
22 mm [±1 mm]
Height
6 mm [±1 mm]
Weight
15 g
Load capacity
5.10 kg / 50.01 N
7.38 ZŁ with VAT / pcs + price for transport
6.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical data of the product - UMGGZ 22x6 [M4] GZ / N38 - rubber magnetic holder external thread
Specification / characteristics - UMGGZ 22x6 [M4] GZ / N38 - rubber magnetic holder external thread
| properties | values |
|---|---|
| Cat. no. | 340310 |
| GTIN/EAN | 5906301814726 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 22 mm [±1 mm] |
| Height | 6 mm [±1 mm] |
| Weight | 15 g |
| Load capacity ~ ? | 5.10 kg / 50.01 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
- Their magnetic field remains stable, and after approximately 10 years it decreases only by ~1% (according to research),
- They retain their magnetic properties even under close interference source,
- In other words, due to the smooth layer of nickel, the element looks attractive,
- Neodymium magnets generate maximum magnetic induction on a small surface, which ensures high operational effectiveness,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
- Thanks to versatility in shaping and the capacity to customize to unusual requirements,
- Key role in electronics industry – they are used in data components, electromotive mechanisms, medical equipment, as well as multitasking production systems.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Disadvantages
- At strong impacts they can break, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- Neodymium magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (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 suggest using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- We suggest a housing - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complicated forms.
- Health risk resulting from small fragments of magnets are risky, when accidentally swallowed, which becomes key in the context of child safety. Furthermore, small elements of these magnets can complicate diagnosis medical in case of swallowing.
- With mass production the cost of neodymium magnets is a challenge,
Lifting parameters
Maximum magnetic pulling force – what it depends on?
- with the application of a sheet made of special test steel, guaranteeing maximum field concentration
- with a thickness no less than 10 mm
- with a surface free of scratches
- with total lack of distance (no coatings)
- for force applied at a right angle (in the magnet axis)
- at conditions approx. 20°C
Key elements affecting lifting force
- Distance – existence of foreign body (rust, dirt, air) acts as an insulator, which lowers capacity rapidly (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.
- Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of converting into lifting capacity.
- Metal type – different alloys attracts identically. High carbon content weaken the attraction effect.
- Surface quality – the more even the surface, the better the adhesion and higher the lifting capacity. Unevenness creates an air distance.
- Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and in frost they can be stronger (up to a certain limit).
Lifting capacity was assessed by applying a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, whereas under parallel forces the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.
Safe handling of neodymium magnets
Electronic hazard
Intense magnetic fields can erase data on payment cards, HDDs, and other magnetic media. Maintain a gap of min. 10 cm.
Do not underestimate power
Use magnets consciously. Their immense force can surprise even experienced users. Be vigilant and respect their force.
No play value
Always keep magnets out of reach of children. Risk of swallowing is significant, and the effects of magnets clamping inside the body are life-threatening.
Medical implants
Warning for patients: Strong magnetic fields affect electronics. Maintain at least 30 cm distance or ask another person to work with the magnets.
GPS and phone interference
Note: rare earth magnets generate a field that disrupts sensitive sensors. Keep a safe distance from your phone, device, and GPS.
Serious injuries
Protect your hands. Two large magnets will join instantly with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!
Avoid contact if allergic
Nickel alert: The Ni-Cu-Ni coating contains nickel. If skin irritation occurs, immediately stop working with magnets and wear gloves.
Dust is flammable
Powder generated during machining of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.
Fragile material
Neodymium magnets are ceramic materials, meaning they are very brittle. Clashing of two magnets will cause them cracking into small pieces.
Heat warning
Avoid heat. NdFeB magnets are susceptible to temperature. If you need resistance above 80°C, inquire about special high-temperature series (H, SH, UH).
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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