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UMGZ 36x18x8 [M6] GZ / N38 - magnetic holder external thread
magnetic holder external thread
Catalog no 190325
GTIN/EAN: 5906301813842
Diameter Ø
36 mm [±1 mm]
Height
18 mm [±1 mm]
Height
8 mm [±1 mm]
Weight
50 g
Load capacity
40.00 kg / 392.27 N
24.97 ZŁ with VAT / pcs + price for transport
20.30 ZŁ net + 23% VAT / pcs
bulk discounts:
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Physical properties - UMGZ 36x18x8 [M6] GZ / N38 - magnetic holder external thread
Specification / characteristics - UMGZ 36x18x8 [M6] GZ / N38 - magnetic holder external thread
| properties | values |
|---|---|
| Cat. no. | 190325 |
| GTIN/EAN | 5906301813842 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 36 mm [±1 mm] |
| Height | 18 mm [±1 mm] |
| Height | 8 mm [±1 mm] |
| Weight | 50 g |
| Load capacity ~ ? | 40.00 kg / 392.27 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 |
Chemical composition
| 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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Strengths as well as weaknesses of neodymium magnets.
Benefits
- They retain magnetic properties for nearly ten years – the drop is just ~1% (according to analyses),
- They maintain their magnetic properties even under strong external field,
- In other words, due to the smooth surface of silver, the element gains a professional look,
- Magnetic induction on the working layer of the magnet remains exceptional,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
- Considering the ability of precise molding and customization to specialized projects, neodymium magnets can be modeled in a variety of geometric configurations, which makes them more universal,
- Key role in high-tech industry – they are commonly used in data components, electric drive systems, medical equipment, also multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which allows their use in compact constructions
Weaknesses
- They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets in a protective case. Such protection not only protects the magnet but also increases its resistance to damage
- When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- When exposed to humidity, magnets start to rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
- Limited ability of making threads in the magnet and complicated shapes - preferred is a housing - mounting mechanism.
- Health risk to health – tiny shards of magnets pose a threat, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. Additionally, small elements of these devices are able to disrupt the diagnostic process medical when they are in the body.
- Due to neodymium price, their price is relatively high,
Holding force characteristics
Breakaway strength of the magnet in ideal conditions – what it depends on?
- using a sheet made of high-permeability steel, functioning as a ideal flux conductor
- with a cross-section of at least 10 mm
- with a plane cleaned and smooth
- without the slightest air gap between the magnet and steel
- under vertical application of breakaway force (90-degree angle)
- at conditions approx. 20°C
Lifting capacity in practice – influencing factors
- Clearance – the presence of foreign body (paint, dirt, gap) acts as an insulator, which lowers power rapidly (even by 50% at 0.5 mm).
- Force direction – declared lifting capacity refers to detachment vertically. When attempting to slide, the magnet exhibits much less (typically approx. 20-30% of maximum force).
- Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of generating force.
- Steel grade – ideal substrate is pure iron steel. Stainless steels may have worse magnetic properties.
- Surface structure – the more even the plate, the better the adhesion and higher the lifting capacity. Roughness creates an air distance.
- Heat – neodymium magnets have a negative temperature coefficient. When it is hot they are weaker, and at low temperatures they can be stronger (up to a certain limit).
Lifting capacity testing was conducted on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, however under parallel forces the lifting capacity is smaller. Moreover, even a small distance between the magnet and the plate lowers the holding force.
H&S for magnets
Nickel coating and allergies
Medical facts indicate that the nickel plating (the usual finish) is a common allergen. If your skin reacts to metals, avoid direct skin contact or select versions in plastic housing.
Keep away from electronics
A strong magnetic field disrupts the operation of compasses in smartphones and navigation systems. Maintain magnets near a device to avoid breaking the sensors.
Permanent damage
Standard neodymium magnets (grade N) lose power when the temperature surpasses 80°C. The loss of strength is permanent.
Danger to the youngest
Strictly keep magnets out of reach of children. Ingestion danger is high, and the effects of magnets connecting inside the body are life-threatening.
Risk of cracking
Beware of splinters. Magnets can fracture upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.
Handling guide
Before use, check safety instructions. Uncontrolled attraction can destroy the magnet or injure your hand. Be predictive.
Combustion hazard
Fire hazard: Neodymium dust is highly flammable. Do not process magnets in home conditions as this risks ignition.
Hand protection
Mind your fingers. Two powerful magnets will snap together instantly with a force of several hundred kilograms, destroying anything in their path. Exercise extreme caution!
Data carriers
Device Safety: Strong magnets can ruin payment cards and sensitive devices (heart implants, medical aids, timepieces).
ICD Warning
For implant holders: Powerful magnets affect electronics. Keep minimum 30 cm distance or ask another person to handle the magnets.
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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