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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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Strength as well as appearance of magnetic components can be calculated on our
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Orders placed before 14:00 will be shipped the same business day.
Physical properties - 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 Nd2Fe14B magnets.
Pros
- They virtually do not lose strength, because even after ten years the performance loss is only ~1% (according to literature),
- They retain their magnetic properties even under close interference source,
- Thanks to the metallic finish, the layer of nickel, gold, or silver gives an aesthetic appearance,
- The surface of neodymium magnets generates a concentrated magnetic field – this is a key feature,
- Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can function (depending on the form) even at a temperature of 230°C or more...
- Thanks to flexibility in forming and the ability to adapt to individual projects,
- Universal use in future technologies – they are used in computer drives, electric drive systems, medical equipment, and modern systems.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which enables their usage in miniature devices
Disadvantages
- Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We recommend keeping them in a special holder, which not only protects them against impacts but also increases their durability
- Neodymium magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop 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 extremely 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 resistant to moisture, in case of application outdoors
- We suggest a housing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complicated forms.
- Potential hazard to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which gains importance in the context of child safety. Additionally, small elements of these devices are able to complicate diagnosis medical when they are in the body.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Holding force characteristics
Maximum lifting force for a neodymium magnet – what affects it?
- on a base made of structural steel, perfectly concentrating the magnetic field
- whose transverse dimension equals approx. 10 mm
- characterized by smoothness
- under conditions of gap-free contact (metal-to-metal)
- during detachment in a direction perpendicular to the mounting surface
- at standard ambient temperature
Key elements affecting lifting force
- Space between magnet and steel – every millimeter of separation (caused e.g. by varnish or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Load vector – maximum parameter is obtained only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is typically many times lower (approx. 1/5 of the lifting capacity).
- Plate thickness – too thin plate does not accept the full field, causing part of the flux to be lost into the air.
- Plate material – low-carbon steel attracts best. Alloy steels lower magnetic properties and lifting capacity.
- Plate texture – smooth surfaces ensure maximum contact, which improves force. Uneven metal weaken the grip.
- Operating temperature – neodymium magnets have a sensitivity to temperature. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).
Lifting capacity was determined with the use of a steel plate with a smooth surface of suitable thickness (min. 20 mm), under perpendicular pulling force, in contrast under shearing force the holding force is lower. In addition, even a small distance between the magnet and the plate decreases the load capacity.
Warnings
Magnetic interference
A strong magnetic field interferes with the functioning of compasses in phones and navigation systems. Keep magnets near a device to avoid breaking the sensors.
Power loss in heat
Keep cool. Neodymium magnets are susceptible to heat. If you require resistance above 80°C, look for HT versions (H, SH, UH).
Nickel allergy
A percentage of the population have a contact allergy to nickel, which is the common plating for neodymium magnets. Prolonged contact might lead to skin redness. We recommend use safety gloves.
Material brittleness
NdFeB magnets are ceramic materials, meaning they are very brittle. Collision of two magnets will cause them breaking into shards.
Cards and drives
Equipment safety: Strong magnets can ruin payment cards and sensitive devices (pacemakers, medical aids, mechanical watches).
This is not a toy
Only for adults. Small elements pose a choking risk, causing severe trauma. Store away from children and animals.
Serious injuries
Large magnets can crush fingers in a fraction of a second. Do not place your hand betwixt two attracting surfaces.
Danger to pacemakers
Individuals with a pacemaker have to keep an safe separation from magnets. The magnetism can interfere with the operation of the life-saving device.
Dust is flammable
Powder produced during cutting of magnets is combustible. Avoid drilling into magnets unless you are an expert.
Safe operation
Use magnets consciously. Their huge power can shock even professionals. Stay alert and do not underestimate their force.
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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