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UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
magnetic holder external thread
Catalog no 190324
GTIN/EAN: 5906301813835
Diameter Ø
32 mm [±1 mm]
Height
18 mm [±1 mm]
Height
8 mm [±1 mm]
Weight
40 g
Load capacity
34.00 kg / 333.43 N
17.98 ZŁ with VAT / pcs + price for transport
14.62 ZŁ net + 23% VAT / pcs
bulk discounts:
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Strength along with structure of neodymium magnets can be tested using our
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Technical - UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
Specification / characteristics - UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
| properties | values |
|---|---|
| Cat. no. | 190324 |
| GTIN/EAN | 5906301813835 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 18 mm [±1 mm] |
| Height | 8 mm [±1 mm] |
| Weight | 40 g |
| Load capacity ~ ? | 34.00 kg / 333.43 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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Strengths as well as weaknesses of neodymium magnets.
Strengths
- Their magnetic field is durable, and after around 10 years it decreases only by ~1% (according to research),
- They maintain their magnetic properties even under external field action,
- A magnet with a metallic silver surface looks better,
- Neodymium magnets create maximum magnetic induction on a their 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 form) at temperatures up to 230°C and above...
- Thanks to modularity in designing and the capacity to customize to specific needs,
- Universal use in innovative solutions – they are utilized in data components, brushless drives, advanced medical instruments, as well as multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer high power in small dimensions, which enables their usage in compact constructions
Cons
- Brittleness is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a special holder, which not only protects them against impacts but also raises their durability
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- They oxidize in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in producing threads and complex forms in magnets, we propose using cover - magnetic mount.
- Potential hazard to health – tiny shards of magnets pose a threat, when accidentally swallowed, which gains importance in the context of child safety. It is also worth noting that small components of these magnets can disrupt the diagnostic process medical when they are in the body.
- Due to complex production process, their price is higher than average,
Pull force analysis
Maximum magnetic pulling force – what contributes to it?
- on a block made of mild steel, optimally conducting the magnetic field
- possessing a thickness of minimum 10 mm to ensure full flux closure
- with a surface free of scratches
- without any insulating layer between the magnet and steel
- for force applied at a right angle (pull-off, not shear)
- at ambient temperature approx. 20 degrees Celsius
Determinants of lifting force in real conditions
- Gap between surfaces – even a fraction of a millimeter of separation (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Angle of force application – maximum parameter is available only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is typically many times smaller (approx. 1/5 of the lifting capacity).
- Steel thickness – too thin steel does not accept the full field, causing part of the power to be escaped into the air.
- Material composition – not every steel attracts identically. Alloy additives weaken the interaction with the magnet.
- Base smoothness – the more even the plate, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
- Thermal environment – temperature increase results in weakening of force. Check the thermal limit for a given model.
Lifting capacity was assessed using a polished steel plate of suitable thickness (min. 20 mm), under vertically applied force, however under attempts to slide the magnet the load capacity is reduced by as much as fivefold. Additionally, even a slight gap between the magnet’s surface and the plate lowers the lifting capacity.
H&S for magnets
Serious injuries
Mind your fingers. Two large magnets will join instantly with a force of several hundred kilograms, destroying everything in their path. Exercise extreme caution!
Fire risk
Dust produced during grinding of magnets is self-igniting. Do not drill into magnets unless you are an expert.
Operating temperature
Control the heat. Heating the magnet to high heat will ruin its properties and strength.
Magnet fragility
Neodymium magnets are ceramic materials, meaning they are very brittle. Collision of two magnets will cause them cracking into shards.
Skin irritation risks
Nickel alert: The nickel-copper-nickel coating consists of nickel. If redness occurs, immediately stop handling magnets and wear gloves.
Pacemakers
Individuals with a ICD have to keep an large gap from magnets. The magnetic field can interfere with the functioning of the implant.
No play value
NdFeB magnets are not toys. Accidental ingestion of multiple magnets may result in them connecting inside the digestive tract, which constitutes a critical condition and necessitates immediate surgery.
Cards and drives
Powerful magnetic fields can erase data on credit cards, HDDs, and storage devices. Stay away of at least 10 cm.
Magnetic interference
An intense magnetic field interferes with the operation of magnetometers in smartphones and navigation systems. Maintain magnets close to a device to prevent breaking the sensors.
Caution required
Before starting, read the rules. Sudden snapping can destroy the magnet or hurt your hand. Think ahead.
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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