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SM 25x200 [2xM8] / N52 - magnetic separator
magnetic separator
Catalog no 130364
GTIN/EAN: 5906301813125
Diameter Ø
25 mm [±1 mm]
Height
200 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 9 500 Gauss [±5%]
615.00 ZŁ with VAT / pcs + price for transport
500.00 ZŁ net + 23% VAT / pcs
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Technical specification - SM 25x200 [2xM8] / N52 - magnetic separator
Specification / characteristics - SM 25x200 [2xM8] / N52 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130364 |
| GTIN/EAN | 5906301813125 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 25 mm [±1 mm] |
| Height | 200 mm [±1 mm] |
| Weight | 0.01 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 9 500 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 7 poles |
| Casing Tube Thickness | 1 mm |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N52
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 14.2-14.7 | kGs |
| remenance Br [min. - max.] ? | 1420-1470 | mT |
| coercivity bHc ? | 10.8-12.5 | kOe |
| coercivity bHc ? | 860-995 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 48-53 | BH max MGOe |
| energy density [min. - max.] ? | 380-422 | 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 |
Material specification
| 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 |
Other proposals
Pros as well as cons of Nd2Fe14B magnets.
Strengths
- They retain magnetic properties for around 10 years – the loss is just ~1% (in theory),
- They feature excellent resistance to magnetic field loss due to external fields,
- Thanks to the smooth finish, the coating of nickel, gold-plated, or silver gives an aesthetic appearance,
- Magnetic induction on the top side of the magnet remains extremely intense,
- 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...
- Possibility of individual machining and adjusting to complex needs,
- Versatile presence in modern industrial fields – they serve a role in data components, drive modules, precision medical tools, also complex engineering applications.
- Thanks to concentrated force, small magnets offer high operating force, with minimal size,
Cons
- To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution secures the magnet and simultaneously increases its durability.
- NdFeB magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening 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 extremely resistant to heat
- They oxidize in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in producing nuts and complex forms in magnets, we propose using a housing - magnetic holder.
- Potential hazard resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, small elements of these devices can disrupt the diagnostic process medical after entering the body.
- With budget limitations the cost of neodymium magnets is economically unviable,
Pull force analysis
Magnetic strength at its maximum – what it depends on?
- on a block made of mild steel, effectively closing the magnetic field
- possessing a thickness of minimum 10 mm to avoid saturation
- with an ideally smooth touching surface
- under conditions of no distance (metal-to-metal)
- during pulling in a direction perpendicular to the mounting surface
- at ambient temperature approx. 20 degrees Celsius
Determinants of practical lifting force of a magnet
- Clearance – the presence of foreign body (paint, dirt, gap) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
- Loading method – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (often approx. 20-30% of maximum force).
- Element thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
- Material type – ideal substrate is pure iron steel. Hardened steels may have worse magnetic properties.
- Base smoothness – the smoother and more polished the plate, the better the adhesion and stronger the hold. Unevenness acts like micro-gaps.
- Operating temperature – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and in frost they can be stronger (up to a certain limit).
Lifting capacity was determined with the use of a polished steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, whereas under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate reduces the load capacity.
Safety rules for work with neodymium magnets
Shattering risk
Despite metallic appearance, neodymium is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into hazardous fragments.
Conscious usage
Use magnets with awareness. Their powerful strength can shock even experienced users. Be vigilant and respect their force.
Precision electronics
Note: neodymium magnets produce a field that interferes with sensitive sensors. Maintain a safe distance from your mobile, tablet, and navigation systems.
Choking Hazard
Absolutely store magnets out of reach of children. Choking hazard is significant, and the effects of magnets connecting inside the body are fatal.
Serious injuries
Risk of injury: The attraction force is so immense that it can cause blood blisters, crushing, and broken bones. Protective gloves are recommended.
Medical interference
For implant holders: Strong magnetic fields affect medical devices. Maintain at least 30 cm distance or ask another person to work with the magnets.
Metal Allergy
Some people have a contact allergy to nickel, which is the typical protective layer for NdFeB magnets. Frequent touching can result in dermatitis. We recommend wear safety gloves.
Do not overheat magnets
Watch the temperature. Heating the magnet to high heat will permanently weaken its magnetic structure and strength.
Data carriers
Data protection: Neodymium magnets can ruin data carriers and delicate electronics (heart implants, hearing aids, timepieces).
Fire risk
Fire hazard: Rare earth powder is explosive. Do not process magnets without safety gear as this risks ignition.
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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